* AD8591/92/94 SPICE Macro-model Typical Values * 6/98, Ver. 1 * TAM / ADSC * * Copyright 1998 by Analog Devices * * Refer to "README.DOC" file for License Statement. Use of this * model indicates your acceptance of the terms and provisions in * the License Statement. * * Node Assignments * noninverting input * | inverting input * | | positive supply * | | | negative supply * | | | | output * | | | | | shutdown * | | | | | | .SUBCKT AD8592 1 2 99 50 45 80 * * INPUT STAGE * M1 4 1 3 3 PIX L=0.8E-6 W=125E-6 M2 6 7 3 3 PIX L=0.8E-6 W=125E-6 RC1 4 50 4E3 RC2 6 50 4E3 C1 4 6 2E-12 I1 99 8 100E-6 M3 10 1 12 12 NIX L=0.8E-6 W=125E-6 M4 11 7 12 12 NIX L=0.8E-6 W=125E-6 RC3 10 99 4E3 RC4 11 99 4E3 C2 10 11 2E-12 I2 13 50 100E-6 EOS 7 2 POLY(3) (21,98) (73,98) (61,0) 1E-3 0 0 1 IOS 1 2 2.5E-12 V1 99 9 0.9 D1 3 9 DX V2 14 50 0.9 D2 14 12 DX S1 3 8 (82,98) SOPEN S2 99 8 (98,82) SCLOSE S3 12 13 (82,98) SOPEN S4 13 50 (98,82) SCLOSE * * CMRR 64dB, ZERO AT 20kHz * ECM1 20 98 POLY(2) (1,98) (2,98) 0 .5 .5 RCM1 20 21 79.6E3 CCM1 20 21 100E-12 RCM2 21 98 50 * * PSRR=80dB, ZERO AT 200Hz * RPS1 70 0 1E6 RPS2 71 0 1E6 CPS1 99 70 1E-5 CPS2 50 71 1E-5 EPSY 98 72 POLY(2) (70,0) (0,71) 0 1 1 RPS3 72 73 1.59E6 CPS3 72 73 500E-12 RPS4 73 98 80 * * INTERNAL VOLTAGE REFERENCE * EREF 98 0 POLY(2) (99,0) (50,0) 0 .5 .5 GSY 99 50 POLY(1) (99,50) 20E-6 10E-7 * * SHUTDOWN SECTION * E1 81 98 (80,50) 1 R1 81 82 1E3 C3 82 98 1E-9 * * VOLTAGE NOISE REFERENCE OF 30nV/rt(Hz) * VN1 60 0 0 RN1 60 0 16.45E-3 HN 61 0 VN1 30 RN2 61 0 1 * * GAIN STAGE * G2 98 30 POLY(2) (4,6) (10,11) 0 2.19E-5 2.19E-5 R2 30 98 13E6 CF 45 30 5E-12 S5 30 98 (98,82) SCLOSE D3 30 31 DX D4 32 30 DX V3 99 31 0.6 V4 32 50 0.6 * * OUTPUT STAGE * M5 45 46 99 99 POX L=0.8E-6 W=16E-3 M6 45 47 50 50 NOX L=0.8E-6 W=16E-3 EG1 99 48 POLY(1) (98,30) 1.06 1 EG2 49 50 POLY(1) (30,98) 1.05 1 RG1 48 46 10E3 RG2 49 47 10E3 S6 46 99 (98,82) SCLOSE S7 47 50 (98,82) SCLOSE * * MODELS * .MODEL PIX PMOS (LEVEL=2,KP=20E-6,VTO=-0.7,LAMBDA=0.01,KF=1E-31) .MODEL NIX NMOS (LEVEL=2,KP=20E-6,VTO=0.7,LAMBDA=0.01,KF=1E-31) .MODEL POX PMOS (LEVEL=2,KP=8E-6,VTO=-1,LAMBDA=0.067) .MODEL NOX NMOS (LEVEL=2,KP=13.4E-6,VTO=1,LAMBDA=0.067) .MODEL SOPEN VSWITCH(VON=2.4,VOFF=0.8,RON=10,ROFF=1E9) .MODEL SCLOSE VSWITCH(VON=-0.8,VOFF=-2.4,RON=10,ROFF=1E9) .MODEL DX D(IS=1E-14) .ENDS AD8592