TDA7292 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7292

40W + 40W stereo amplifier with mute and standby

STMicroelectronics 

TDA7292

Applications information

Table 6. Recommended values

Component

Recommended

value

Purpose

R1

10 kΩ

Mute circuit

R2

15 kΩ

Mute circuit

R3

47 kΩ

Mute circuit

R4

15 kΩ

Mute circuit

R5, R8

R6, R9

R7, R10

18 kΩ

560 Ω

4.7 Ω

Closed-loop gain

setting (1)

Frequency stability

C1, C2

1 μF

Input AC coupling

C3

1 µF

Standby/mute time

constant

C4, C6

1000 μF

Supply voltage

decoupling

C5, C7

0.1 μF

Supply voltage

decoupling

C8, C9

0.1 μF

Frequency stability

Dz

5.1 V

Mute circuit

Q1

BC107

Mute circuit

1. Closed-loop gain must be >29 dB

Larger than

recommended

value

Smaller than

recommended

value

Decrease in DZ

biasing current

VPIN5 shifted

downwards

VPIN5 shifted

upwards

VPIN5 shifted

upwards

-

VPIN5 shifted

upwards

VPIN5 shifted

downwards

VPIN5 shifted

downwards

Increase in gain

-

Decrease in gain

-

Danger of oscillation Danger of oscillation

-

Higher low-

frequency cutoff

Larger on/off time Smaller on/off time

-

Danger of oscillation

-

Danger of oscillation

-

-

-

-

-

-

Doc ID 15775 Rev 5

15/22

Share Link: