* AD645J SPICE Macro-model 4/92, Rev. B * JCB / PMI * * Revision History: * Rev. B: Converted model to include noise analysis. * * This version of the AD645 model simulates the worst case * parameters of the 'J' 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 AD645J 1 2 99 50 30 * * INPUT STAGE & POLE AT 40 MHZ * R3 5 50 1.049 R4 6 50 1.049 CIN 1 2 1E-12 C2 5 6 1.90E-9 I1 99 4 100E-3 IOS 1 2 0.5E-12 EOS 65 1 POLY(1) 17 24 500E-6 1 J1 5 2 4 JX J2 6 7 4 JX EN 7 65 43 0 1 GN1 0 1 47 0 1E-6 GN2 0 2 61 0 1E-6 GB1 2 50 POLY(3) 4,2 5,2 50,2 0 1E-12 1E-12 1E-12 GB2 7 50 POLY(3) 4,7 6,7 50,7 0 1E-12 1E-12 1E-12 * EREF 98 0 24 0 1 * * VOLTAGE NOISE GENERATOR * VN1 41 0 DC 2 RS1 41 42 11.8E3 RS2 42 43 1.2E9 CS1 42 43 79.8E-11 RS3 43 44 1.2E9 CS2 43 44 79.8E-11 RS4 44 45 11.8E3 VN2 0 45 DC 2 * * CURRENT NOISE GENERATOR * VN3 46 0 DC 2 RN5 46 47 144 RN6 47 48 144 VN4 0 48 DC 2 * * CURRENT NOISE GENERATOR * VN5 60 0 DC 2 RN7 60 61 144 RN8 61 62 144 VN6 0 62 DC 2 * * SECOND STAGE & POLE AT 3 HZ * R5 9 98 5.26E5 C3 9 98 1.00E-7 G1 98 9 5 6 9.53E-1 V2 99 8 4.7 V3 10 50 4.7 D1 9 8 DX D2 10 9 DX * * NEGATIVE ZERO AT 15 MHZ * R6 11 12 1E6 C4 11 12 -10.6E-15 R7 12 98 1 E2 11 98 9 24 1E6 * * POLE AT 40 MHZ * R8 13 98 1E3 C5 13 98 3.98E-12 G2 98 13 12 24 1E-3 * * POLE AT 40 MHZ * R9 14 98 1E3 C6 14 98 3.98E-12 G3 98 14 13 24 1E-3 * * POLE AT 40 MHZ * R10 15 98 1E3 C7 15 98 3.98E-12 G4 98 15 14 24 1E-3 * * COMMON-MODE GAIN NETWORK WITH ZERO AT 600 HZ * R11 16 17 1E6 C8 16 17 2.65E-10 R12 17 98 1 E3 16 98 POLY(2) 1 98 2 98 0 15.8 15.8 * * POLE AT 40 MHZ * R13 18 98 1E3 C9 18 98 3.98E-12 G5 98 18 15 24 1E-3 * * OUTPUT STAGE * R14 24 99 2000E3 R15 24 50 2000E3 ISY 99 50 -96.5E-3 R16 29 99 360 R17 29 50 360 L1 29 30 1E-8 G6 27 50 18 29 2.78E-3 G7 28 50 29 18 2.78E-3 G8 29 99 99 18 2.78E-3 G9 50 29 18 50 2.78E-3 V4 25 29 2.0 V5 29 26 2.0 D3 18 25 DX D4 26 18 DX D5 99 27 DX D6 99 28 DX D7 50 27 DY D8 50 28 DY F1 29 0 V4 1 F2 0 29 V5 1 * * MODELS USED * .MODEL JX PJF(BETA=4.54 VTO=-2.000 IS=1.5E-12 RD=0.1 + RS=0.1 CGD=1E-15 CGS=1E-15) .MODEL DX D(IS=1E-15 RS=10 CJO=1E-15) .MODEL DY D(IS=1E-15 BV=50 RS=10 CJO=1E-15) .MODEL DEN D(IS=1E-12 RS=7409.6 KF=2.051E-15 AF=1) .MODEL DIN D(IS=1E-12 RS=41.5 KF=0 AF=1) .ENDS AD645J