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OP297 Datasheet(PDF) 13 Page - Analog Devices

Part # OP297
Description  Dual Low Bias Current Precision Operational Amplifier
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

OP297 Datasheet(HTML) 13 Page - Analog Devices

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8/21/97 4:00 PM
OP297
–13–
REV. D
OP297 SPICE MACRO-MODEL
•
• NODE ASSIGNMENTS
•NONINVERTING INPUT
INVERTING INPUT
OUTPUT
POSITIVE SUPPLY
NEGATIVE SUPPLY
•
SUBCKT OP297
1 2
30 99 50
•
INPUT STAGE & POLE AT 6 MHz
•
RIN1
1
7
2500
RIN2
2
8
2500
R1
8
3
5E11
R2
7
3
5E11
R3
5
99
612
R4
6
99
612
CIN
7
8
3E-12
C2
5
6
21.67E-12
I1
4
50
0.1E-3
IOS
7
8
20E-12
EOS
9
7
POLY(1) 19
23
25E-6
1
Q1
5
8
10
QX
Q2
6
9
11
QX
R5
10
4
96
R6
11
4
96
D1
8
9
DX
D2
9
8
DX
•
EREF 98
0
23
0
1
•
GAIN STAGE & DOMINANT POLE AT 0.13 HZ
•
R7
12
98
2.45E9
C3
12
98
500E-12
G1
98
12
5 6 1.634E-3
V2
99
13
1.5
V3
14
50
1.5
D3
12
13
DX
D4
14
12
DX
•
• NEGATIVE ZERO AT -1 8 MHz
•
R8
15
16
1E6
C4
15
16
–88.4E-15
R9
16
98
1
E1
15
98
12
23
1E6
•
Table I. SPICE Net-List
• POLE AT 1.8 MHz
•
R10
17
98
1E6
C5
17
98
88 4E-15
G2
98
17
16 23 1 E-6
•
• COMMON-MODE GAIN NETWORK WITH ZERO AT 50 HZ
•
R11
18
19
1E6
C6
18
19
3.183E-9
R12
19
98
1
E2
18
98
3 23 100E-3
•
• POLE AT 6 MHz
•
R15
22
98
1E6
C8
22
98
26.53E-15
G3
98
22
17 23 1 E-6
•
• OUTPUT STAGE
•
R16
23
99
160K
R17
23
50
160K
ISY
99
50
331 E-6
R18
25
99
200
R19
25
50
200
L1
25
30
1 E-7
G4
28
50
22 25 5E-3
G5
29
50
25 22 5E-3
G6
25
99
99 22 5E-3
G7
50
25
22 50 5E-3
V4
26
25
1.8
V5
25
27
1.3
D5
22
26
DX
D6
27
22
DX
D7
99
28
DX
D8
99
29
DX
D9
50
28
DY
D10
50
29
DY
•
• MODELS USED
•
• MODEL QX NPN BF=2.5E6)
• MODEL DX D IS = 1 E-15)
• MODEL DY D IS = 1 E-15 BV = 50)
• ENDS OP297



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