TA2152FNG

2006-04-19

3

Pin Descriptions

Pin Voltage: Typical pin voltage for test circuit when no input signal is applied

Pin

No.

Name

Function

Internal Circuit

Pin

Voltage (V)

1

NC

2

NC

Not connected

⎯

⎯

3

10

Outputs for beep signal

⎯

4

6

9

Outputs from power amplifier

0.6

7

PW GND

GND for power drive stage

0

11

1.2

5

8

Low-pass compensation pins

0.6

12

13

Inputs to power amplifier

0.6

14

power drive stage

2.4

19

BIAS OUT

Bias circuit output

0.6

22

RF IN

Ripple filter input

1.1

23

BIAS IN

Bias circuit output

0.6

24

OUT ADJ

DC output voltage adjustment

Either connect this pin or leave it

open depending on the level of

If the power supply of a 1.5 V

connect this pin to BIAS IN (pin

23).

If the power supply of a 3 V

this pin open.

0.6

10

11

9

7

20 k

Ω

15 k

Ω

43 k

Ω

12

8

9

19

14

24

22

23