Power Amplifier with Electronic Volume Control

1W Power Amplifier with Electronic Volume Control based TDA8551

 The TDA8551 chip by Philips is a bridge amplifier with output power of 1 watt at a supply voltage of 5V. In this case, current consumption in the silent mode is only 10mA. The chip is made ​​in 8-pin package and requires no heat sink, it can be used in a variety of small devices. Chip is equipped with thermal protection, has an internal delay circuit connecting the load – so that when you turn, you hear a wheeze other wonderful music transients. This chip also built-in an electronic volume control.

Parts list :

Notation on the chart	Nominal
C1	100uF/10V
C2	0.33
C3	0.1
C4	0.1
C5	200uF/10V
R1	2.2 k
DA1	TDA8551

There is a TDA8552 is intended for the use of stereo sound. This will be discussed at Stereo Power Amplifier with electronic control.