TDA8551T

1 W BTL音频放大器器与数字音量控制 1 W BTL audio amplifier with digital volume control

Overview

The TDA8551; is a one channel 1 W Bridge-Tied Load BTL audio power amplifier capable of delivering 1 W output power to an 8 Ω load at THD = 10% using a 5 V power supply. The circuit contains a BTL power amplifier, a digital volume control and standby/mute logic. The TDA8551T comes in an 8 pin SO package and the TDA8551 in a 8 pin DIP package.

MoreLess

## Features

* One pin digital volume control

* Volume setting with UP/DOWN pulses

* Flexibility in use

* Few external components

* Low saturation voltage of output stage

* standby mode controlled by CMOS compatible levels

* Low standby current

* No switch-on/switch-off plops

* High supply voltage ripple rejection

* Protected against electrostatic discharge

* Outputs short circuit safe to ground, VP and across the load

* Thermally protected.

## Target Applications

* Portable consumer products

* Personal computers

* Telephony.

## Features