* AD843 SPICE Macro-model 1/92, Rev. A * JCB / PMI * * Copyright 1991 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 AD843 1 2 99 50 30 * * INPUT STAGE & POLE AT 150 MHZ * R1 1 3 5E11 R2 2 3 5E11 R3 5 50 1084.2 R4 6 50 1084.2 CIN 1 2 4E-12 C2 5 6 0.489E-12 I1 99 4 1.0E-3 IOS 1 2 1E-10 EOS 7 1 POLY(1) 16 24 500E-6 1 J1 5 2 4 JX J2 6 7 4 JX * EREF 98 0 24 0 1 * * GAIN STAGE & POLE AT 1.23 KHZ * R5 9 98 3.25E7 C3 9 98 4.0E-12 G1 98 9 5 6 9.22E-4 V2 99 8 3.8 V3 10 50 2.7 D1 9 8 DX D2 10 9 DX * * POLE AT 200 MHZ * R6 11 98 1E6 C4 11 98 0.796E-15 G2 98 11 9 24 1E-6 * * NEGATIVE ZERO AT 100 MHZ * R8 13 14 1E6 R9 14 98 1 C6 13 14 -1.59E-15 E2 13 98 11 24 1000001 * * COMMON-MODE GAIN NETWORK WITH ZERO AT 19 KHZ * R10 15 16 1E6 R11 16 98 1 C7 15 16 8.368E-12 E3 98 15 3 24 158.5 * * POLE AT 200 MHZ * R12 23 98 1E6 C8 23 98 0.796E-15 G4 98 23 14 24 1E-6 * * OUTPUT STAGE * R13 24 99 50E3 R14 24 50 50E3 ISY 99 50 10.7E-3 R15 29 99 40 R16 29 50 40 L1 29 30 6E-8 G5 27 50 23 29 2.5E-2 G6 28 50 29 23 2.5E-2 G7 29 99 99 23 2.5E-2 G8 50 29 23 50 2.5E-2 V4 25 29 0.7 V5 29 26 0.7 D3 23 25 DX D4 26 23 DX D5 99 27 DX D6 99 28 DX D7 50 27 DY D8 50 28 DY * * MODELS USED * .MODEL JX PJF(BETA=4.25E-4 VTO=-2.000 IS=6E-10) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=50) .ENDS AD843