n Block Diagram
AN4558 (AN6552),
AN4558S (AN6552S)
Dual Operational Amplifiers
n Overview
TheAN4558 (AN6552) andthe AN4558S (AN6552S)
are dual operational amplifiers with phase compensation
circuits built-in, and suitable for application to various
electronic circuits such as active filters and audio pream-
plifiers.
n Features
• Phase compensation circuit
• High voltage gain, low noise
• Output short-circuit protection
• Slew rate:SR=1V/µ s typ.
1
2
3
4
0.4
–
0.25
0.6
–
0.3
1.27
0.1
–
0.1
0.3
0.15 0.65
1.5
–
0.2
5.0
–
0.3
4.2– 0.3
6.5– 0.3
8
7
6
5
8-pin PANAFLAT Plastic Package (SOP008-P-0225A)
Unit:mmAN4558S (AN6552S)
C3 R14
Q19
R16
Q17 Q16
D2
Q20
R15
C4
Q21
R17
Q1
Q18
Q23
Q22
Q25
Q24
R19
R20
R
21
Q26
Q27
Q28
Q29
DZ
R13
R12
R8 R9
Q14
Q15
Q13
Q12
R6
R7
Q11
Q7
Q9
Q10
2 6
5
71
3
VO1 VO2
4
8
Q4
R1
VEE
VCC
Vin2
–
Vin2
+
Vin1
–
Vin1
+
Q3
R3
C1
Q2
D1
C2
Q5
R2
Q6
R4
Q8
R5
Q18
Unit:mm
1
2
3
4
6.3– 0.3
3.8– 0.25
8-pin DIL Plastic Package (DIP008-P-0300B)
(3.45)
2.54
1.2
–
0.25
0.5
–
0.1
7.62– 0.25
3—15˚
0.15+
0.1
– 0.05
AN4558 (AN6552)
9.4
–
0.3
0.51min.
8
7
6
5