AN6551
Dual Operational Amplifier
s
Overview
The AN6551 is a dual operational Amplifier with a phase
compensation circuit built-in.
It is suitable for application to various electronic circuits
such as active filters and audio pre-amplifiers.
2.4±0.25
3.3±0.25
6.0±0.3
9
8
0.5±0.1
7
1.5±0.25
Unit:mm
s
Features
• Phase compensation circuit
• High gain, low noise
• Output short-circuit protection
• Two circuits symmetrically arranged in 9-pin SIL plastic
package
23.3±0.3
6
5
4
1.5±0.25
0.3
– 0.05
+ 0.1
2
1
3.0±0.3
s
Pin Descriptions
Pin No.
2
3
4
5
6
7
8
1, 9
Pin name
Ch.1 output
Ch.1 inverting input
Ch.1 non inverting input
V
EE
(GND)
Ch.2 non inverting input
Ch.2 inverting input
Ch.2 output
V
CC
9-pin SIL Plastic Package (SIP009-P-0000C)
s
Block Diagram
V
CC
V
CC
1
R
3
Q
3
Q
10
Q
13
Q
11
Q
8
4
R
6
Q
14
+
9
1.4±0.3
30˚
R
16
Q
18
3
Q
28
Q
15
Q
26
Q
25
V
in1
3
–
2.54
Q
1
Q
2
Q
17
R
19
Q
29
Q
24
D
Z
R
13
Q
27
R
21
Q
22
R
17
R
15
C
3
R
20
R
18
Q
21
C
4
Q
20
Q
23
Q
16
7
6
V
in2–
V
in2+
V
in1
D
1
R
5
C
2
Q
6
Q
4
Q
5
Q
9
R
7
Q
12
Q
7
R
8
R
9
R
12
D
2
Q
19
R
1
C
1
R
2
R
4
R
14
2
5
8
V
O1
V
EE
(GND)
V
O2