OP-184 Datasheet, PDF (17/20 Pages) Analog Devices – Precision Rail-to-Rail Input & Output Operational Amplifiers

OP184/OP284/OP484
*OP284 SPICE Macro-model
9/94 / Rev. A
*
ARG/ADI
*
* Copyright 1995 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
*
|| | | |
.SUBCKT OP284
1 2 99 50 45
*
* INPUT STAGE
*
Q1 5 2 3 QIN 1
Q2 6 11 3 QIN 1
Q3 7 2 4 QIP 1
Q4 8 11 4 QIP 1
DC1 2 11 DC
DC2 11 2 DC
Q5 4 9 99 QIP 1
Q6 9 9 99 QIP 1
Q7 3 10 50 QIN 1
Q8 10 10 50 QIN 1
R1 99 5 4E3
R2 99 6 4E3
R3 7 50 4E3
R4 8 50 4E3
IREF 9 10 50.5E-6
EOS 1 11 POLY(2) (22,98) (14,98) -25E-6 1E-2 1
IOS 2 1 5E-9
CIN 1 2 2E-12
GN1 98 1 (17,98) 1E-3
GN2 98 2 (23,98) 1E-3
*
* VOLTAGE NOISE SOURCE WITH FLICKER NOISE
*
VN1 13 98 DC 2
VN2 98 15 DC 2
DN1 13 14 DEN
DN2 14 15 DEN
*
* CURRENT NOISE SOURCE WITH FLICKER NOISE
*
VN3 16 98 DC 2
VN4 98 18 DC 2
DN3 16 17 DIN
DN4 17 18 DIN
*
* 2ND CURRENT NOISE SOURCE WITH FLICKER
NOISE
*
VN5 19 98 DC 2
VN6 98 24 DC 2
DN5 19 23 DIN
DN6 23 24 DIN
*
* GAIN STAGE
*
EREF 98 0 POLY(2) (99,0) (50,0) 0 0.5 0.5
G1 98 20 POLY(2) (6,5) (8,7) 0 0.5E-3 0.5E-3
R9 20 98 1E3
*
* COMMON MODE STAGE WITH ZERO AT 100Hz
*
ECM 98 21 POLY(2) (1,98) (2,98) 0 0.5 0.5
R10 21 22 1
R11 22 98 100E-6
C4 21 22 1.592E-3
*
* NEGATIVE ZERO AT 20MHz
*
E1
27 98 (20,98) 1E6
R17 27 28 1
R18 28 98 1E-6
C8 25 26 7.958E-9
ENZ 25 98 (27,28) 1
VNZ 26 98 DC 0
FNZ 27 28 VNZ -1
*
* POLE AT 40MHz
*
G4 98 29 (28,98) 1
R19 29 98 1
C9 29 98 3.979E-9
*
* POLE AT 40MHz
*
G5 98 30 (29,98) 1
R20 30 98 1
C10 30 98 3.979E-9
*
* OUTPUT STAGE
*
ISY 99 50 0.276E-3
GIN 50 31 POLY(1) (30,98) .862574E-6 505.879E-6
RIN 31 50 2.75E6
VB 99 32 0.7
Q11 32 31 33 QON 1
R21 33 34 4.5E3
I1
34 50 50E-6
R22 99 35 6E3
Q12 36 36 35 QOP 1
I2
36 50 50E-6
R23 99 37 2.6E3
R24 34 38 5E3
Q13 39 36 37 QOP 1
Q14 39 38 40 QON 1.5
R25 40 50 40
Q15 39 39 41 QON 1
R26 41 42 1E3
R27 99 43 220
Q16 44 44 43 QOP 1.5
Q17 44 39 42 QON 1
R28 42 50 2E3
VSCP 99 97 DC 0
REV. 0
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