TBA820M Datasheet, PDF (1/5 Pages) STMicroelectronics – 1.2W AUDIO AMPLIFIER

TIGER ELECTRONIC CO.,LTD
TBA820M
1.2W AUDIO POWER AMPLIFIER TBA820M
GENERAL DESCRIPTION
The TBA820M is a monolithic integrated circuit in 8
lead dual in-line plastic package. It is intended for
use aslow frequency class B power amplifier in
portable cassette players and radios.
F E AT U R E S
Wide range of supply voltage : Vcc=3V~16V in
portable radios, cassette recorders and players etc.
Main features are : minimum working supply voltage of 3V
Outline Drawing
Low quiescent supply current ( Icc=4mA , typical)
Good ripple rejection
Low number of external components
No crossover distortion
Low power dissipation
Output Power : Po=2W at 12V/8Ω , 1.6W at 9V/4Ω and 1.2W at 9V/8Ω
BLOCK DIAGRAM
PIN CONNECTION
Ripple ^Bootstrap Vcc OUTPUT
8
7
6
5
-
+
1
2
3
4
CB NF ^INPUT GND
Frequency
Compensation
Gain Setting
Input
Ground
1
8
2
7
TBA820M
3
6
4
5
Ripple
Rejection
Bootstrap
Supply
Voltage
Output