* OP-297 SPICE Macro-model 10/91, Rev. C * JCB / PMI * * Revision History: * REV. C * Changed V1 and V2 for output voltage swing * 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 20E-12 to 10E-12 * * * 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-297 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 10E-12 EOS 9 7 POLY(1) 19 23 25E-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 * * GAIN STAGE & DOMINANT POLE AT 0.13 HZ * R7 12 98 2.45E9 C3 12 98 500E-12 G1 98 12 5 6 1.634E-3 V2 99 13 1.2 V3 14 50 1.2 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 50 HZ * R11 18 19 1E6 C6 18 19 3.183E-9 R12 19 98 1 E2 18 98 3 23 100E-3 * * 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 133E-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=2.5E6) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=50) .ENDS OP-297