参数资料
型号: OP296GSZ-REEL
厂商: ANALOG DEVICES INC
元件分类: 运算放大器
英文描述: Micropower, Rail-to-Rail Input and Output Operational Amplifiers; Package: SOIC; No of Pins: 8; Temperature Range: Industrial
中文描述: DUAL OP-AMP, 650 uV OFFSET-MAX, 0.35 MHz BAND WIDTH, PDSO8
封装: ROHS COMPLIANT, MS-012AA, SOIC-8
文件页数: 7/19页
文件大小: 2367K
代理商: OP296GSZ-REEL
OP196/OP296/OP496
REV.
–15–
* OP496 SPICE Macro-model
REV. C, 5/95
*
ARG / ADSC
*
* Copyright 1995 by Analog Devices, Inc.
*
* 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 OP496
1
2
99
50
49
*
* INPUT STAGE
*
IREF 21
50
1U
QB1
21
99
QP
1
QB2
22
21
99
QP
1
QB3
4
219999QP
1.5
QB4
22
50
QN
2
QB5
11
22
50
QN
3
Q1
54750
QN
2
Q2
64850
QN
2
Q3
44750
QN
1
Q4
44850
QN
1
Q5
50
1799
QP
2
Q6
50
3899
QP
2
EOS
3
2
POLY(1)
(17,98) 35U
1
Q7
99
1950
QN
2
Q8
993
1050QN
2
Q9
12
11
9
99
QP
2
Q10
13
11
10
99
QP
2
Q11
11
9
99
QP
1
Q12
11
10
99
QP
1
R1
99
5
50K
R2
99
6
50K
R3
12
50
50K
R4
13
50
50K
IOS
1
2
0.75N
C10
5
6
3.183P
C11
12
13
3.183P
CIN
1
2
1P
*
* GAIN STAGE
*
EREF 98
0
POLY(2)
(99,0)
(50,0)
0 0.5 0.5
G1
98
15
POLY(2)
(6,5)
(13,12) 0 10U 10U
R10
15
98
251.641MEG
CC
15
49
8P
D1
15
99
DX
D2
50
15
DX
*
* COMMON-MODE STAGE
*
ECM 16
98
POLY(2)
(1,98)
(2,98)
0
0.5 0.5
R11
16
17
1MEG
R12
17
98
10
*
* OUTPUT STAGE
*
ISY
99
50
20U
EIN
35
50
POLY(1)
(15,98) 1.42735
1
Q24
37
35
36
50
QN
1
QD4
37
38
99
QP
1
Q27
40
37
38
99
QP
1
R5
36
39
150K
R6
99
38
45K
Q26
39
42
50
QN
3
QD5
40
39
50
QN
1
Q28
41
40
44
50
QN
1
QL1
37
41
99
QP
1
R7
99
41
10.7K
I4
99
43
2U
QD7
42
50
QN
2
QD6
43
42
50
QN
2
Q29
47
43
44
50
QN
1
Q30
44
45
50
QN
1.5
QD10 45
46
50
QN
1
R9
45
46
175
Q31
46
47
48
99
QP
1
QD8
47
48
99
QP
1
QD9
48
51
99
QP
5
R8
99
51
2.9K
I5
99
46
1U
Q32
49
48
99
QP
10
Q33
49
44
50
QN
4
.MODEL
DX
D()
.MODEL
QN
NPN(BF=120VAF=100)
.MODEL
QP
PNP(BF=80 VAF=60)
.ENDS
VOUT
5V
A3
A2
A1
100k
0.1 F
1/4
OP496
1/4
OP496
100k
GAIN = 259
200
10-TURNS
26.7k
100
6.17k
37.4k
5V
100
RTD
2.55M
AD589
1/4
OP496
NOTE:
ALL RESISTORS 1% OR BETTER
392
20k
Figure 12. A Single-Supply RTD Amplifier
Amplifiers A2 and A3 are configured in a two op amp instru-
mentation amplifier configuration. For ease of measurement,
the IA resistors are chosen to produce a gain of 259, so that
each 1
°C increase in temperature results in a 10 mV increase in
the output voltage. To reduce measurement noise, the band-
width of the amplifier is limited. A 0.1
F capacitor, connected
in parallel with the 100 k
resistor on amplifier A3, creates a
pole at 16 Hz.
E
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