BIPOLAR ANALOG INTEGRATED CIRCUIT

µPC4556

HIGH PERFORMANCE DUAL DECOMPENSATED

OPERATIONAL AMPLIFIER

DATA SHEET

Document No. G10240EJ7V0DS00 (7th edition)

Date Published March 2004 N CP(K)

Printed in Japan

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

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1987

DESCRIPTION

The

µPC4556 is a dual operational amplifier which features further advanced A.C. performance than that of the µPC4558.

Decompensation characteristic guarantees 20MHz gain-bandwidth product higher than 20 dB. Also featured are low input

noise and high output drive capability making this device the optimum choice for audio application.

FEATURES

• Gain bandwidth products: 20 MHz (Av ≥ 20 dB)

• High slew rate: 5 V/

µs

• Low input noise voltage: 6

µVp-p

• Internal frequency compensation (Av ≥ 20 dB)

ORDERING INFORMATION

Part Number

Package

µPC4556C

8-pin plastic DIP (7.62 mm (300))

µPC4556G2

8-pin plastic SOP (5.72 mm (225))

EQUIVALENT CIRCUIT

V+

II

IN

Q3

R2

Q1

Q5

R1

Q2

Q4

R3

R4

C1

C2

Q6

R5

Q8

Q7

Q14

Q9

Q11

Q12

Q10

Q13

Q15

R6

R7

R8

D

OUT

−

V

PIN CONFIGURATION (Top View)

PC4556C, 4556G2

1

1

2

3

4

8

7

6

5

V

+

OUT2

II2

IN2

+

II1

IN1

OUT1

V

2

+

µ

−

−

−