July 2009

Doc ID 1477 Rev 6

1/14

14

TDA7264

25 W + 25 W stereo amplifier with mute and standby

Features

Wide supply voltage range (up to ±22.5 V)

Split supply

High output power

– 25 W + 25 W into 8

Ω

with VS = ±20 V and THD = 10%

No “pop” at turn on/off

Mute (“pop”-free)

Standby feature (low Iq)

Few external components

Short-circuit protection

Thermal overload protection

Description

The TDA7264 is class-AB dual audio power

amplifier assembled in a Multiwatt package.

It is specially designed for high-quality sound

applications such as hi-fi music centers and

stereo TV sets.

Figure 1.

Applications circuit

Multiwatt8

Table 1.

Device summary

Order code

Operating temperature

Package

Packaging

TDA7264

0 to 70 °C

Multiwatt8

Tube

+5V

18K

15K

IN (L)

1

µF

15K

1

µF

MUTE/

ST-BY

GND

IN (R)

1

µF

4.7

Ω

4.7

Ω

100nF

100nF

OUT (L)

OUT (R)

1000

µF

1000

µF

+VS

2

4

6

7

5

8

1

3

+

+

-

-

D94AU069A

RL (L)

RL (R)

+VS

-VS

µP

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