TDA7265_V01 datasheet(8/11 Pages) STMICROELECTRONICS

номер детали	TDA7265

подробное описание детали	25 25W STEREO AMPLIFIER WITH MUTE & ST-BY

PDF	11 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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COMPONENTS

RECOMMENDED

VALUE

PURPOSE

LARGER THAN

RECOMMENDED VALUE

SMALLER THAN

RECOMMENDED VALUE

10K

Ω

Mute Circuit

Increase of Dz

Biasing Current

15K

Ω

Mute Circuit

Vpin # 5 Shifted Downward

Vpin # 5 Shifted Upward

18K

Ω

Mute Circuit

Vpin # 5 Shifted Upward

Vpin # 5 Shifted Downward

15K

Ω

Mute Circuit

Vpin # 5 Shifted Upward

Vpin # 5 Shifted Downward

R5, R8

18K

Ω

Closed Loop Gain

Setting (*)

Increase of Gain

R6, R9

560

Ω

Decrease of Gain

R7, R10

4.7

Ω

Frequency Stability

Danger of Oscillations

C1, C2

µF

Input DC

Decoupling

Higher Low Frequency

Cutoff

µF

St-By/Mute Time

Constant

Larger On/Off Time

Smaller On/Off Time

C4, C6

1000

µF

Supply Voltage

Bypass

Danger of Oscillations

C5, C7

0.1

µF

Supply Voltage

Bypass

Danger of Oscillations

C8, C9

0.1

µF

Frequency Stability

5.1V

Mute Circuit

BC107

Mute Circuit

(*) Closed loop gain has to be => 25dB

APPLICATIONS SUGGESTION

(Demo Board Schematic)

The recommended values of the external compo-

nents are those shown are the demo board sche-

matic different values can be used: the following

table can help the designer.

MUTE, STAND-BY TRUTH TABLE

SW1

SW2

STAND-BY

MUTE

PLAY

TDA7265

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