TA2069AF

2002-10-30

3

Terminal Explanation

Terminal Voltage: Typical terminal voltage at no signal with test circuit

Terminal

No.

Name

Function

Internal Circuit

Terminal

Voltage (V)

1

PRE GND

The GND, except for

power drive stage and

motor governer stage.

―

0

2

23

Input of preamplifier

1.2

3

22

NF of preamplifier

3

2

500Ω

500Ω

RF

VREF

1.2

4

21

Output of preamplifier

VCC

4

1.2

5

20

Input of power amplifier

RF

VREF

5

1.2

6

The terminal of DC

volume control

・

This terminal can be

terminal.

―

18

The terminal of volume

limiter level control

・

This terminal can be

terminal.

VREF

VCC

VREF

6

18

―

7

8

9

Output of power

amplifier

VCC

7

1.2