* OP-177E SPICE Macro-model 12/90, Rev. B * JCB / PMI * * Revision History: * REV. B * Re-ordered subcircuit call out nodes to put the * output node last. * Changed Ios from 1.0E-9 to 0.5E-9 * Added F1 and F2 to fix short circuit current limit. * * * This version of the OP-177 model simulates the worst case * parameters of the 'E' grade. The worst case parameters * used correspond to those in the data book. * * * Copyright 1990 by Analog Devices, Inc. * * Refer to "README.DOC" file for License Statement. Use of this model * indicates your acceptance with the terms and provisions in the License Statement. * * Node assignments * non-inverting input * | inverting input * | | positive supply * | | | negative supply * | | | | output * | | | | | .SUBCKT OP-177E 1 2 99 50 39 * * INPUT STAGE & POLE AT 6 MHZ * R1 2 3 5E11 R2 1 3 5E11 R3 5 97 0.0606 R4 6 97 0.0606 CIN 1 2 4E-12 C2 5 6 218.9E-9 I1 4 51 1 IOS 1 2 0.5E-9 EOS 9 10 POLY(1) 30 33 10E-6 1 Q1 5 2 7 QX Q2 6 9 8 QX R5 7 4 0.009 R6 8 4 0.009 D1 2 1 DX D2 1 2 DX EN 10 1 12 0 1 GN1 0 2 15 0 1 GN2 0 1 18 0 1 * EREF 98 0 33 0 1 EPLUS 97 0 99 0 1 ENEG 51 0 50 0 1 * * VOLTAGE NOISE SOURCE WITH FLICKER NOISE * DN1 11 12 DEN DN2 12 13 DEN VN1 11 0 DC 2 VN2 0 13 DC 2 * * CURRENT NOISE SOURCE WITH FLICKER NOISE * DN3 14 15 DIN DN4 15 16 DIN VN3 14 0 DC 2 VN4 0 16 DC 2 * * SECOND CURRENT NOISE SOURCE * DN5 17 18 DIN DN6 18 19 DIN VN5 17 0 DC 2 VN6 0 19 DC 2 * * FIRST GAIN STAGE * R7 20 98 1 G1 98 20 5 6 119.8 D3 20 21 DX D4 22 20 DX E1 97 21 POLY(1) 97 33 -2.4 1 E2 22 51 POLY(1) 33 51 -2.4 1 * * GAIN STAGE & DOMINANT POLE AT 0.127 HZ * R8 23 98 1.253E9 C3 23 98 1E-9 G2 98 23 20 33 33.3E-6 V1 97 24 1.8 V2 25 51 1.8 D5 23 24 DX D6 25 23 DX * * NEGATIVE ZERO AT -4MHZ * R9 26 27 1 C4 26 27 -39.75E-9 R10 27 98 1E-6 E3 26 98 23 33 1E6 * * COMMON-MODE GAIN NETWORK WITH ZERO AT 63 HZ * R13 30 31 1 L2 31 98 2.52E-3 G4 98 30 3 33 0.316E-6 D7 30 97 DX D8 51 30 DX * * POLE AT 2 MHZ * R14 32 98 1 C5 32 98 79.5E-9 G5 98 32 27 33 1 * * OUTPUT STAGE * R15 33 97 1 R16 33 51 1 GSY 99 50 POLY(1) 99 50 0.725E-3 0.0425E-3 F1 34 0 V3 1 F2 0 34 V4 1 R17 34 99 400 R18 34 50 400 L3 34 39 2E-7 G6 37 50 32 34 2.5E-3 G7 38 50 34 32 2.5E-3 G8 34 99 99 32 2.5E-3 G9 50 34 32 50 2.5E-3 V3 35 34 6.8 V4 34 36 4.4 D9 32 35 DX D10 36 32 DX D11 99 37 DX D12 99 38 DX D13 50 37 DY D14 50 38 DY * * MODELS USED * .MODEL QX NPN(BF=333.3E6) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=50) .MODEL DEN D(IS=1E-12, RS=14.61K, KF=2E-17, AF=1) .MODEL DIN D(IS=1E-12, RS=7.55E-6, KF=3E-15, AF=1) .ENDS OP-177E