* OP-297F SPICE Macro-model 10/91, Rev. C * JCB / PMI * * Revision History: * REV. C * Changed ISY to correct the supply current * Altered V5 for short circuit current limit * REV. B * Re-ordered subcircuit call out nodes to put the * output node last. * Changed Ios from 150E-12 to 75E-12 * * * This version of the OP-297 model simulates the worst case * parameters of the 'F' 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-297F 1 2 99 50 30 * * INPUT STAGE & POLE AT 6 MHZ * RIN1 1 7 2500 RIN2 2 8 2500 R1 8 3 5E11 R2 7 3 5E11 R3 5 99 612 R4 6 99 612 CIN 7 8 3E-12 C2 5 6 21.67E-12 I1 4 50 0.1E-3 IOS 7 8 75E-12 EOS 9 7 POLY(1) 19 23 100E-6 1 Q1 5 8 10 QX Q2 6 9 11 QX R5 10 4 96 R6 11 4 96 D1 8 9 DX D2 9 8 DX * EREF 98 0 23 0 1 * * FIRST GAIN STAGE * RG1 40 98 1E6 GG1 98 40 5 6 196.1E-6 DG3 40 41 DX DG4 42 40 DX EG1 99 41 POLY(1) 99 23 -2.1 1 EG2 42 50 POLY(1) 99 23 -2.1 1 * * GAIN STAGE & DOMINANT POLE AT 0.35 HZ * R7 12 98 918.1E6 C3 12 98 500E-12 G1 98 12 40 23 8.333E-6 V2 99 13 2.0 V3 14 50 2.0 D3 12 13 DX D4 14 12 DX * * NEGATIVE ZERO AT -1.8 MHZ * R8 15 16 1E6 C4 15 16 -88.4E-15 R9 16 98 1 E1 15 98 12 23 1E6 * * POLE AT 1.8 MHZ * R10 17 98 1E6 C5 17 98 88.4E-15 G2 98 17 16 23 1E-6 * * COMMON-MODE GAIN NETWORK WITH ZERO AT 1000 HZ * R11 18 19 1E6 C6 18 19 0.159E-9 R12 19 98 1 E2 18 98 3 23 2.0 * * POLE AT 6 MHZ * R15 22 98 1E6 C8 22 98 26.53E-15 G3 98 22 17 23 1E-6 * * OUTPUT STAGE * R16 23 99 500K R17 23 50 500K ISY 99 50 183E-6 R18 25 99 200 R19 25 50 200 L1 25 30 1E-7 G4 28 50 22 25 5E-3 G5 29 50 25 22 5E-3 G6 25 99 99 22 5E-3 G7 50 25 22 50 5E-3 V4 26 25 1.8 V5 25 27 1.8 D5 22 26 DX D6 27 22 DX D7 99 28 DX D8 99 29 DX D9 50 28 DY D10 50 29 DY * * MODELS USED * .MODEL QX NPN(BF=333E3) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=50) .ENDS OP-297F