474 lines
9.5 KiB
Plaintext
474 lines
9.5 KiB
Plaintext
*ADA4932 Macro-model
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*Function:Fully Differential Amplifier
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*
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*Revision History:
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*Rev.2.1 Nov 2021- Corrected output voltage clamp
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*Rev.2.0 Mar 2016- New Generated Model;- JL
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*Copyright 2016 by Analog Devices
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*
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*Refer to http://www.analog.com/Analog_Root/static/techSupport/designTools/spicemodels/license
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*for License Statement. Use of this model indicates your acceptance
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*of the terms and provisions in the License Staement.
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*
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*Tested on MultSIm, SiMetrix(NGSpice), PSpice
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*
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*Not modeled: Distortion, PSRR, Overload Recovery,
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* Shutdown Turn On/Turn Off time
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*
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*Parameters modeled include:
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* Vos, Ibias, Input CM limits and Typ output voltge swing over full supply range,
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* Open Loop Gain & Phase, Slew Rate, Output current limits, Voltage & Current Noise over temp,
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* Capacitive load drive, Quiescent and dynamic supply currents,
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* Shut Down pin functionality where applicable,
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* Single supply & offset supply functionality.
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*-------------------------------------------------------------------------------*
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*When using model in Multisim:
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*---->comment out the .ends ADA4932 statement and uncomment the .ends Main
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*---->comment out the .ends ADA4932-Vocm statement and uncomment the .ends
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*-------------------------------------------------------------------------------*
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*
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.Subckt ADA4932 FBN VinP VinN FBP VCC VEE VoN VoP PD Vocm
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*ADA4932 Model
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*
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R1 FBN VoN Rideal 1
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R2 FBP VoP Rideal 1
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R3 VoN 3 Rideal 0.75e3
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R4 VoP 3 Rideal 0.75e3
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R5 VCC Vocm Rideal 50e3
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R6 VEE Vocm Rideal 50e3
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Vos VinP 1 dc 0.5e-3
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*
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X1 2 1 VCC VEE VoN PD ADA4932-Amp
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X2 2 VinN VCC VEE VoP PD ADA4932-Amp
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X3 Vocm 3 VCC VEE 2 PD ADA4932-Vocm
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.model Rideal res(T_ABS=-273)
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.ends Main
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*
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*
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.Subckt ADA4932-Amp 100 101 102 103 104 106
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*
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***Power Supplies***
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Rz1 102 1020 Rideal 1e-6
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Rz2 103 1030 Rideal 1e-6
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R3 96 0 Rideal 1e3
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S6 97 96 1020 1030 Sswitch
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V2 97 0 dc 2
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gBias 1020 1030 96 0 0.45e-3
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DzPS 98 1020 diode
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gQuies 1020 98 96 0 4.35e-3
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S1 98 1030 106 113 Switch
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R1 1020 99 Rideal 1e7
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R2 99 1030 Rideal 1e7
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e1 111 110 1020 110 1
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e2 110 112 110 1030 1
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e3 110 0 99 0 1
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*
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*
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***Inputs***
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Rs2 1 100 Rideal 1e-6
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S3 9 101 106 113 Switch
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VOS 1 2 dc 0e-3
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IbiasP 110 2 dc -2.5e-6
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IbiasN 110 9 dc -2.5e-6
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RinCMP 110 2 Rideal 1e7
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RinCMN 9 110 Rideal 1e7
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CinCMP 110 2 4.5e-13
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CinCMN 9 110 4.5e-13
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IOS 9 2 0.025e-6
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RinDiff 9 2 Rideal 1.6e7
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CinDiff 9 2 5.5e-13
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*
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*
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***Non-Inverting Input with Clamp***
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g1 3 110 110 2 0.001
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RInP 3 110 Rideal 1e3
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RX1 40 3 Rideal 0.001
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DInP 40 41 diode
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DInN 42 40 diode
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VinP 111 41 dc 2.26
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VinN 42 112 dc 0.66
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*
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*
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***Vnoise***
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hVn 6 5 Vmeas1 707.10678
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Vmeas1 20 110 DC 0
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Vvn 21 110 dc 0.65
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Dvn 21 20 DVnoisy
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hVn1 6 7 Vmeas2 707.10678
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Vmeas2 22 110 dc 0
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Vvn1 23 110 dc 0.65
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Dvn1 23 22 DVnoisy
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*
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*
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***Inoise***
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FnIN 9 110 Vmeas3 0.7071068
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Vmeas3 51 110 dc 0
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VnIN 50 110 dc 0.65
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DnIN 50 51 DINnoisy
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FnIN1 110 9 Vmeas4 0.7071068
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Vmeas4 53 110 dc 0
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VnIN1 52 110 dc 0.65
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DnIN1 52 53 DINnoisy
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*
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FnIP 2 110 Vmeas5 0.7071068
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Vmeas5 31 110 dc 0
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VnIP 30 110 dc 0.65
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DnIP 30 31 DIPnoisy
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FnIP1 110 2 Vmeas6 0.7071068
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Vmeas6 33 110 dc 0
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VnIP1 32 110 dc 0.65
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DnIP1 32 33 DIPnoisy
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*
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*
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***CMRR***
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RcmrrP 3 10 Rideal 1e12
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RcmrrN 10 9 Rideal 1e12
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g10 11 110 10 110 -7.297e-9
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Lcmrr 11 12 1e-12
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Rcmrr 12 110 Rideal 1e3
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e4 5 3 11 110 0
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*
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*
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***Power Down***
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VPD 111 80 dc 2.5
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VPD1 81 0 dc 0.7
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RPD 111 106 Rideal 21e6
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ePD 80 113 82 0 1
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RDP1 82 0 Rideal 1e3
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CPD 82 0 1e-10
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S5 81 82 83 113 Switch
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CDP1 83 0 1e-12
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RPD2 106 83 1
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*
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*
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***Gain Split***
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g200 200 110 7 9 1
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R200 200 110 Rideal 1
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*
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*
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***Dominant Pole at 560 kHz***
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g210 210 110 Value={limit(V(200,110)*5.044e-3,2.8e-3,-2.8e-3)}
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R210 210 110 Rideal 2.842e5
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C210 210 110 1e-12
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*
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*
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***Output Voltage Clamp-1***
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RX2 60 210 Rideal 0.001
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DzVoutP 61 60 DzVoutP
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DzVoutN 60 62 DzVoutN
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DVoutP 61 63 diode
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DVoutN 64 62 diode
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.param M=20m, OS=6.3
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Grail 0 Rail VALUE={1m*LIMIT(M*V(102,103)+OS, 6.36, 6.52)}
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Rrail 0 Rail 1k
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Crail 0 Rail 1n
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ErailP 65 63 Value={V(Rail)}
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ErailN 64 66 Value={V(Rail)}
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e60 65 110 111 110 1.027
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e61 66 110 112 110 1.027
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*
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*
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***Buffer***
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g220 220 110 210 110 0.001
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R220 220 110 Rideal 1000
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*
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***Buffer***
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g230 230 110 220 110 0.001
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R230 230 110 Rideal 1000
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*
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***Buffer***
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g240 240 110 230 110 0.001
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R240 240 110 Rideal 1000
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*
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***Buffer***
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g245 245 110 240 110 0.001
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R245 245 110 Rideal 1000
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*
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***Buffer***
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g250 250 110 245 110 0.001
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R250 250 110 Rideal 1000
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*
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***Buffer***
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g255 255 110 250 110 0.001
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R255 255 110 Rideal 1000
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*
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***Buffer***
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g260 260 110 255 110 0.001
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R260 260 110 Rideal 1000
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*
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***Buffer***
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g265 265 110 260 110 0.001
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R265 265 110 Rideal 1000
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*
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***Peak: f=0.6MHz, Zeta=0.8, Gain=3dB***
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e266 266 110 265 110 1
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R266 266 268 Rideal 10
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L266 266 267 1657.862e-9
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C266 267 268 42441.27e-12
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R267 268 110 Rideal 24.24
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e270 270 110 268 110 -1.4125
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*
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***Notch: f=100MHz, Zeta=1.9, Gain=2.3dB***
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e271 271 110 270 110 1
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R271 271 285 Rideal 10
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R272 285 272 Rideal 32.985
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L271 272 273 18.003e-9
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C271 273 110 140.697e-12
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*
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***Peak: f=110MHz, Zeta=1, Gain=1.4dB***
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e286 286 110 285 110 1
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R286 286 288 Rideal 10
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L286 286 287 7.234e-9
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C286 287 288 289.372e-12
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R287 288 110 Rideal 57.176
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e295 295 110 288 110 1.1749
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*
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***Output Stage***
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g300 300 110 295 110 0.001
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R300 300 110 Rideal 1000
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e301 301 110 300 110 1
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Rout 302 303 Rideal 26
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Lout 303 310 3.1e-9
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Cout 310 110 3e-12
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*
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*
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***Output Current Limit***
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H1 301 304 Vsense1 100
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Vsense1 301 302 dc 0
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VIoutP 305 304 dc 10.636
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VIoutN 304 306 dc 10.636
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DIoutP 307 305 diode
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DIoutN 306 307 diode
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Rx3 307 300 Rideal 0.001
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*
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*
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***Output Clamp-2***
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.param Rail2=0 ;2.085
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VoutP1 111 73 dc {Rail2}
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VoutN1 74 112 dc {Rail2}
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DVoutP1 75 73 diode
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DVoutN1 74 75 diode
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RX4 75 310 Rideal 0.001
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*
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*
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***Supply Currents***
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FIoVcc 314 110 Vmeas8 1
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Vmeas8 310 311 dc 0
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R314 110 314 Rideal 1e9
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DzOVcc 110 314 diode
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DOVcc 102 314 diode
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RX5 311 312 Rideal 0.001
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FIoVee 315 110 Vmeas9 1
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Vmeas9 312 313 dc 0
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R315 315 110 Rideal 1e9
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DzOVee 315 110 diode
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DOVee 315 103 diode
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*
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*
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***Output Switch***
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S4 104 313 106 113 Switch
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*
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*
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*** Common Models ***
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.model diode d(bv=100)
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.model Switch vswitch(Von=0.705,Voff=0.695,ron=0.001,roff=1e6)
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.model Sswitch vswitch(Von=3,Voff=0.1,ron=1000,roff=1e6)
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.model DzVoutP D(BV=4.3)
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.model DzVoutN D(BV=4.3)
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.model DVnoisy D(IS=2.46e-16 KF=1.52e-16)
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.model DINnoisy D(IS=1.91e-17 KF=1.54e-16)
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.model DIPnoisy D(IS=1.91e-17 KF=1.54e-16)
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.model Rideal res(T_ABS=-273)
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*
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.ends Amp
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*
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*
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*
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.Subckt ADA4932-Vocm 100 101 102 103 104 106
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*
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***Power Supplies***
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Rz1 102 1020 Rideal 1e-6
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Rz2 103 1030 Rideal 1e-6
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R3 96 0 Rideal 1e3
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S6 97 96 1020 1030 Sswitch
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V2 97 0 dc 2
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gBias 1020 1030 96 0 0e-3
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DzPS 98 1020 diode
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gQuies 1020 98 96 0 0e-3
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S1 98 1030 106 113 Switch
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R1 1020 99 Rideal 1e7
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R2 99 1030 Rideal 1e7
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e1 111 110 1020 110 1
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e2 110 112 110 1030 1
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e3 110 0 99 0 1
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*
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*
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***Inputs***
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S2 1 100 106 113 Switch
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Rs3 9 101 Rideal 1e-6
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VOS 2 1 dc 1e-3
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*
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*
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***Non-Inverting Input with Clamp***
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g1 3 110 110 2 0.001
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RInP 3 110 Rideal 1e3
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RX1 40 3 Rideal 0.001
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DInP 40 41 diode
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DInN 42 40 diode
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VinP 111 41 dc 1.66
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VinN 42 112 dc 1.66
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*
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*
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***Vnoise***
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hVn 6 5 Vmeas1 707.10678
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Vmeas1 20 110 DC 0
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Vvn 21 110 dc 0.65
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Dvn 21 20 DVnoisy
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hVn1 6 7 Vmeas2 707.10678
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Vmeas2 22 110 dc 0
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Vvn1 23 110 dc 0.65
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Dvn1 23 22 DVnoisy
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*
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*
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***Inoise***
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FnIN 9 110 Vmeas3 0.7071068
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Vmeas3 51 110 dc 0
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VnIN 50 110 dc 0.65
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DnIN 50 51 DINnoisy
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FnIN1 110 9 Vmeas4 0.7071068
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Vmeas4 53 110 dc 0
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VnIN1 52 110 dc 0.65
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DnIN1 52 53 DINnoisy
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*
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FnIP 2 110 Vmeas5 0.7071068
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Vmeas5 31 110 dc 0
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VnIP 30 110 dc 0.65
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DnIP 30 31 DIPnoisy
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FnIP1 110 2 Vmeas6 0.7071068
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Vmeas6 33 110 dc 0
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VnIP1 32 110 dc 0.65
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DnIP1 32 33 DIPnoisy
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*
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*
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***CMRR***
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RcmrrP 3 10 Rideal 1e12
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RcmrrN 10 9 Rideal 1e12
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g10 11 110 10 110 -1e-10
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Lcmrr 11 12 1e-12
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Rcmrr 12 110 Rideal 1e3
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e4 5 3 11 110 0
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*
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*
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***Power Down***
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VPD 111 80 dc 2.5
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VPD1 81 0 dc 0.7
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RPD 111 106 Rideal 21e6
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ePD 80 113 82 0 1
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RDP1 82 0 Rideal 1e3
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CPD 82 0 1e-10
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S5 81 82 83 113 Switch
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CDP1 83 0 1e-12
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RPD2 106 83 1
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*
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*
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*
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*
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***Gain Split***
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g200 200 110 7 9 1
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R200 200 110 Rideal 1
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*
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*
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***Dominant Pole at 54 kHz***
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g210 210 110 Value={limit(V(200,110)*4.864e-4,2.086e-4,-2.086e-4)}
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R210 210 110 Rideal 2.947e6
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C210 210 110 1e-12
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*
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*
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***Buffer***
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g220 220 110 210 110 0.001
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R220 220 110 Rideal 1000
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*
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***Buffer***
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g230 230 110 220 110 0.001
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R230 230 110 Rideal 1000
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*
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***Buffer***
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g240 240 110 230 110 0.001
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R240 240 110 Rideal 1000
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*
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***Buffer***
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g245 245 110 240 110 0.001
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R245 245 110 Rideal 1000
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*
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***Buffer***
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g250 250 110 245 110 0.001
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R250 250 110 Rideal 1000
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*
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***Buffer***
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g255 255 110 250 110 0.001
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R255 255 110 Rideal 1000
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*
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***Buffer***
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g260 260 110 255 110 0.001
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R260 260 110 Rideal 1000
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*
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***Buffer***
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g265 265 110 260 110 0.001
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R265 265 110 Rideal 1000
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*
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***Buffer***
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g270 270 110 265 110 0.001
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R270 270 110 Rideal 1000
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*
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***Notch: f=290MHz, Zeta=1, Gain=1.1dB***
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e280 280 110 270 110 1
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L280 285 281 23.069e-9
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C280 281 282 13.056e-12
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R281 282 110 Rideal 74.068
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R280 280 285 Rideal 10
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*
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***Buffer***
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R291 292 110 Rideal 1E6
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R290 290 292 Rideal 1E-6
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e290 290 110 285 110 1
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e295 295 110 292 110 1
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*
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*
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***Output Stage***
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g300 300 110 295 110 0.001
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R300 300 110 Rideal 1000
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e301 301 110 300 110 1
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Rout 301 310 Rideal 1
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*
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*
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***Supply Currents***
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FIoVcc 314 110 Vmeas8 1
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Vmeas8 310 311 dc 0
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R314 110 314 Rideal 1e9
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DzOVcc 110 314 diode
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DOVcc 102 314 diode
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RX5 311 312 Rideal 0.001
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FIoVee 315 110 Vmeas9 1
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Vmeas9 312 313 dc 0
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R315 315 110 Rideal 1e9
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DzOVee 315 110 diode
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DOVee 315 103 diode
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*
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*
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***Output Switch***
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Rs4 104 313 Rideal 1e-6
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*
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*
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*** Common Models ***
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.model diode d(bv=100)
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.model Switch vswitch(Von=0.705,Voff=0.695,ron=0.001,roff=1e6)
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.model Sswitch vswitch(Von=3,Voff=0.1,ron=1000,roff=1e6)
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.model DzVoutP D(BV=4.3)
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.model DzVoutN D(BV=4.3)
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.model DVnoisy D(IS=3.51e-15 KF=1.53e-16)
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.model DINnoisy D(IS=3.81e-17 KF=1.54e-16)
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.model DIPnoisy D(IS=3.81e-17 KF=1.54e-16)
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.model Rideal res(T_ABS=-273)
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*
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.ends
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