ICs for Audio Common Use

1

AN5270

4.3 W

× 1(8Ω) Power Amplifier with Volume Control and Tone Control

s Overview

The AN5720 is an integrated circuit designed for 4.3 W(8

Ω) power amplifier with volume control and tone control.

s Features

• DC volume control : 0 to 5 V

• DC tone control : 0 to 5 V

• 9-lead single-in-line plastic package with fin

s Block Diagram

s Pin Descriptions

HSIP009-P-0000

Unit : mm

Pin No.

Pin Name

2

Sound input

3

Low frequency input

4

Volume control

5

Tone control

6

Ripple filter

7

Ground

8

Sound output

Note) Pins 2 and 4 are weaker in protection against positive surge than the other pins.

It is necessary to pay attention during application use.

Pre

amp.

Volume

control

Tone

control

9

8

7

6

5

4

3

2

1

5.6

±0.25

8.4

±0.25 6.3

7.1

3.75

±0.25

5.8

±0.25

1.5

±0.25

±0.3

±0.25