* OP249A SPICE Macro-model 10/91, Rev. C * JCB / PMI * * Revision History: * REV. C * Corrected the supply current in G1 and G2 * REV. B * Re-ordered subcircuit call out nodes to put the * output node last. * Changed Ios from 25E-12 to 12.5E-12 * * * This version of the OP-249 model simulates the worst case * parameters of the 'A' grade. The worst case parameters * used correspond to those in the data book. * * * 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 OP249A 1 2 99 50 30 * * INPUT STAGE & POLE AT 100 MHZ * R1 1 3 5E11 R2 2 3 5E11 R3 5 50 469.3 R4 6 50 469.3 CIN 1 2 5E-12 C2 5 6 1.7E-12 I1 99 4 1E-3 IOS 1 2 12.5E-12 EOS 7 1 POLY(1) 20 24 500E-6 1 J1 5 2 4 JX J2 6 7 4 JX * * SECOND STAGE & POLE AT 6.1 HZ * R5 9 99 469.3E6 R6 9 50 469.3E6 C3 9 99 55.6E-12 C4 9 50 55.6E-12 G1 99 9 POLY(1) 5 6 2.4E-3 2.131E-3 G2 9 50 POLY(1) 6 5 2.4E-3 2.131E-3 V2 99 8 3.4 V3 10 50 3.4 D1 9 8 DX D2 10 9 DX * * POLE-ZERO PAIR AT 2 MHZ / 4.0 MHZ * R7 11 99 1E6 R8 11 50 1E6 R9 11 12 1E6 R10 11 13 1E6 C5 12 99 39.79E-15 C6 13 50 39.79E-15 G3 99 11 9 24 1E-6 G4 11 50 24 9 1E-6 * * ZERO-POLE PAIR AT 4 MHZ / 8 MHZ * R11 99 15 1E6 R12 14 15 1E6 R13 14 16 1E6 R14 50 16 1E6 L1 99 15 19.89E-3 L2 50 16 19.89E-3 G5 99 14 11 24 1E-6 G6 14 50 24 11 1E-6 * * POLE AT 20 MHZ * R15 17 99 1E6 R16 17 50 1E6 C9 17 99 7.96E-15 C10 17 50 7.96E-15 G7 99 17 14 24 1E-6 G8 17 50 24 14 1E-6 * * POLE AT 50 MHZ * R17 18 99 1E6 R18 18 50 1E6 C11 18 99 3.18E-15 C12 18 50 3.18E-15 G9 99 18 17 24 1E-6 G10 18 50 24 17 1E-6 * * POLE AT 50 MHZ * R19 19 99 1E6 R20 19 50 1E6 C13 19 99 3.18E-15 C14 19 50 3.18E-15 G11 99 19 18 24 1E-6 G12 19 50 24 18 1E-6 * * COMMON-MODE GAIN NETWORK WITH ZERO AT 190 KHZ * R21 20 21 1E6 R22 20 22 1E6 L3 21 99 0.837 L4 22 50 0.837 G13 99 20 3 24 100E-12 G14 20 50 24 3 100E-12 * * POLE AT 50 MHZ * R23 23 99 1E6 R24 23 50 1E6 C15 23 99 3.18E-15 C16 23 50 3.18E-15 G15 99 23 19 24 1E-6 G16 23 50 24 19 1E-6 * * OUTPUT STAGE * R25 24 99 10E6 R26 24 50 10E6 R27 29 99 70 R28 29 50 70 L5 29 30 4E-7 G17 27 50 23 29 14.3E-3 G18 28 50 29 23 14.3E-3 G19 29 99 99 23 14.3E-3 G20 50 29 23 50 14.3E-3 V4 25 29 .1 V5 29 26 .1 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=2.27E-3 VTO=-2.000 IS=75E-12) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=50) .ENDS