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.
