* OPA655M operational amplifier "macromodel" subscircuit * using Multiple pole-zero topology * created 5/28/96 sb * Rev.A 7/20/96 BB * ------------------------------------------------------------------------ * | NOTICE: THE INFORMATION PROVIDED HEREIN IS BELIEVED TO BE RELIABLE; | * | HOWEVER; BURR-BROWN ASSUMES NO RESPONSIBILITY FOR INACCURACIES OR | * | OMISSIONS. BURR-BROWN ASSUMES NO RESPONSIBILITY FOR THE USE OF THIS | * | INFORMATION, AND ALL USE OF SUCH INFORMATION SHALL BE ENTIRELY AT | * | THE USER'S OWN RISK. NO PATENT RIGHTS OR LICENSES TO ANY OF THE | * | CIRCUITS DESCRIBED HEREIN ARE IMPLIED OR GRANTED TO ANY THIRD PARTY. | * | BURR-BROWN DOES NOT AUTHORIZE OR WARRANT ANY BURR-BROWN PRODUCT FOR | * | USE IN LIFE-SUPPORT DEVICES AND/OR SYSTEMS. | * ------------------------------------------------------------------------ * Notes: * 1. The output stage includes a parasitic capacitance (C5=1pF) from the output * node to ground. * 2. For better convergence during transient analysis set: * .OPTIONS ITL4=40 *------------------------------------------------ * Node assignments: * -In * | +In * | | Negative Supply * | | | Output * | | | | Positive Supply * | | | | | .SUBCKT OPA655M 2 3 4 6 7 * * Input Stage R1 1 2 5E11 R2 1 3 5E11 R3 7 15 19.2 R4 7 16 19.2 *2nd POLE at 260MHz C1 15 16 1.1E-11 ISS 14 4 14E-3 IOS 2 3 2E-12 EOS 12 2 POLY(1) 70 9 0.5E-3 1 J1 15 12 14 JX J2 16 3 14 JX * * Second Stage R7 7 23 15385 R8 4 23 15385 *1st POLE at 300KHz C2 7 23 34.5E-12 C3 4 23 34.5E-12 G1 7 23 POLY(1) 15 16 10E-3 0.052 G2 23 4 POLY(1) 16 15 10E-3 0.052 V1 7 8 0.5V V2 10 4 0.5V D1 23 8 DX D2 10 23 DX R9 7 9 1E4 R10 9 4 1E4 * *Pole at 800MHz R11 7 20 1E6 R12 20 4 1E6 C11 7 20 0.2E-16 C12 20 4 0.2E-16 G3 7 20 23 9 1E-6 G4 20 4 9 23 1E-6 * *Pole at 2.5GHz R30 7 30 1E6 R31 4 30 1E6 C30 7 30 6.3E-17 C31 4 30 6.3E-17 G30 7 30 20 9 1E-6 G31 30 4 9 20 1E-6 * *Common Mode Stage R19 71 70 1E6 R20 70 72 1E6 L3 7 71 0.851 L4 72 4 0.851 G7 7 70 1 9 5.623E-10 G8 70 4 9 1 5.623E-10 * *Pole at 1500MHz R21 7 80 1E6 R22 4 80 1E6 C21 7 80 1.1E-16 C22 4 80 1.1E-16 G9 7 80 20 9 1E-6 G10 80 4 9 20 1E-6 * *Output Stage R23 7 81 64 R24 81 4 64 L5 81 88 1.8E-9 R5 88 6 1 C5 6 0 1E-12 G11 81 7 7 80 1.5625E-2 G12 4 81 80 4 1.5625E-2 G13 84 4 80 81 1.5625E-2 G14 85 4 81 80 1.5625E-2 V3 82 81 1.64 V4 81 83 1.64 D3 80 82 DX D4 83 80 DX D5 7 84 DX D6 7 85 DX D7 4 84 DY D8 4 85 DY * .MODEL JX NJF(BETA=0.205 VTO=-1.55 IS=2.5E-12 CGD=5E-13 AF=3.5 KF=8E-10) .MODEL DX D(IS=1E-15) .MODEL DY D(IS=1E-15 BV=20) .ENDS