* OP-37E SPICE Model 1/90, Rev. A * ARG / PMI * * This version of the OP-37 model simulates the worst case * parameters of the 'E' grade. The worst case parameters * used correspond to those in the data sheet. * * 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-37E 1 2 99 50 49 * * INPUT STAGE & POLE AT 100MHZ * R3 5 97 0.0516 R4 6 97 0.0516 CIN 1 2 4E-12 C2 5 6 15.42E-9 I1 4 51 1 IOS 1 2 17.5E-9 EOS 7 3 POLY(1) 30 43 25E-6 1 Q1 5 2 4 QX Q2 6 7 4 QX D1 2 1 DX D2 1 2 DX EN 3 1 9 0 1 GN1 0 2 12 0 1 GN2 0 1 15 0 1 EREF 98 0 43 0 1 EPLUS 97 0 99 0 1 ENEG 51 0 50 0 1 * * VOLTAGE NOISE SOURCE WITH FLICKER NOISE * DN1 8 9 DEN DN2 9 10 DEN VN1 8 0 DC 2 VN2 0 10 DC 2 * * CURRENT NOISE SOURCE WITH FLICKER NOISE * DN3 11 12 DIN DN4 12 13 DIN VN3 11 0 DC 2 VN4 0 13 DC 2 * * SECOND CURRENT NOISE SOURCE * DN5 14 15 DIN DN6 15 16 DIN VN5 14 0 DC 2 VN6 0 16 DC 2 * * 1ST GAIN STAGE * R5 17 98 1 G1A 98 17 5 6 98.71 D3 17 18 DX D4 19 17 DX E1 97 18 POLY(1) 97 43 -2.14 1 E2 19 51 POLY(1) 43 51 -2.14 1 * * 2ND GAIN STAGE & DOMINANT POLE AT 58HZ * R6 20 98 30.39E3 C3 20 98 90.91E-9 G1B 98 20 17 43 333.3E-3 V1 97 21 3.48 V2 22 51 3.48 D5 20 21 DX D6 22 20 DX * * POLE - ZERO AT .4MHZ / 1.0MHZ * R8 23 98 1 R9 23 24 0.667 C4 24 98 238.7E-9 G2 98 23 20 43 1 * * ZERO - POLE AT 10MHZ / 100MHZ * R10 25 26 1 R11 26 98 9 L1 26 98 14.32E-9 G3 98 25 23 43 1 * * POLE AT 100MHZ * R12 27 98 1 C5 27 98 1.59E-9 G4 98 27 25 43 1 * * POLE AT 100MHZ * R13 28 98 1 C6 28 98 1.59E-9 G5 98 28 27 43 1 * * POLE AT 100MHZ * R14 29 98 1 C7 29 98 1.59E-9 G6 98 29 28 43 1 * * COMMON-MODE GAIN NETWORK WITH ZERO AT 28KHZ * R15 30 31 1 L2 31 98 5.68E-6 G7 98 30 POLY(2) 1 43 2 43 0 997.6E-9 997.6E-9 D7 30 97 DX D8 51 30 DX * * POLE AT 100MHZ * R16 32 98 1 C8 32 98 1.59E-9 G8 98 32 29 43 1 * * POLE AT 100MHZ * R17 33 98 1 C9 33 98 1.59E-9 G9 98 33 32 43 1 * * POLE AT 200MHZ * R18 34 98 1 C10 34 98 .796E-9 G10 98 34 33 43 1 * * OUTPUT STAGE * F1 44 0 V3 1 F2 0 44 V4 1 R27 43 97 1 R28 43 51 1 GSY 99 50 POLY(1) 99 50 3.32E-3 45E-6 R29 44 99 140 R30 44 50 140 L4 44 49 1E-7 G11 47 50 34 44 7.14E-3 G12 48 50 44 34 7.14E-3 G13 44 99 99 34 7.14E-3 G14 50 44 34 50 7.14E-3 V3 45 44 1.2 V4 44 46 1.55 D9 34 45 DX D10 46 34 DX D11 99 47 DX D12 99 48 DX D13 50 47 DY D14 50 48 DY * * MODELS USED * .MODEL QX NPN(BF=12.5E6) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=50) .MODEL DEN D(IS=1E-12, RS=1.74K, KF=4.01E-16, AF=1) .MODEL DIN D(IS=1E-12, RS=43.5E-6, KF=11.1E-15, AF=1) .ENDS OP-37E