TDA7264A View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TDA7264A

25 + 25W STEREO AMPLIFIER WITH MUTE/ST-BY

STMicroelectronics 

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Applications information

TDA7264

Table 6. Recommended component values for demo board

Component

Recommended

value

Purpose

Larger than

recommended

value

Smaller than

recommended

value

R1

R2

R3

R4

R5, R6

C1, C2

10 kΩ

15 kΩ

18 kΩ

15 kΩ

4.7 Ω

1 µF

Mute circuit

Mute circuit

Mute circuit

Mute circuit

Frequency stability

Input AC coupling

Decrease in DZ

biasing current

-

VPIN4 shifted

downwards

VPIN4 shifted

upwards

VPIN4 shifted

upwards

VPIN4 shifted

downwards

VPIN4 shifted

upwards

VPIN4 shifted

downwards

Danger of oscillation Danger of oscillation

-

Higher low-

frequency cutoff

C3

C4, C6

C5, C7

C8, C9

Dz

Q1

1 µF

1000 µF

0.1 µF

0.1 µF

5.1 V

BC107

Standby/mute time

constant

Supply voltage

decoupling

Supply voltage

decoupling

Frequency stability

Mute circuit

Mute circuit

Longer on/off time

-

-

-

-

-

Shorter on/off time

Danger of oscillation

Danger of oscillation

-

-

-

10/14

Doc ID 1477 Rev 6

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