YOUDA INTEGRATED CIRCUIT
YD820
1.2W AUDIO POWER AMPLIFIER—YD820
DESCRIPTION
The YD820 is a monolithic integrated circuit audio amplifier. It is designed audio frequency class B amplifiers.
FEATURES
*Wide operating supply voltage: Vcc=3~12V.
*Low quiescent supply current (Icc=4mA, typical).
*Medium output power
*Po=1.2W at Vcc=9V, R
L
=8ohm, THD=10%.
*Good ripple rejection
*Minimum number of external parts required.
BLOCK DIAGRAM
8
7
6
Vcc
5
_
1
2
+
3
GND
4
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Output Peak Current
Power Dissipation
Operating Temperature
Storage Temperature
(Tamb=25℃)
SYMBOL
Vcc
Iop
P
D
Topr
Tstg
VALUE
16
1.5
1.25
-20~ +70
-55~ +150
UNIT
V
A
W
℃
℃
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-5205117
86-510-5205106
Fax: 86-510-5205110
Website: www.e-youda.com
SHENZHEN OFFICE
Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
1 of 4
2006-06-28
YOUDA [ WUXI YOUDA ELECTRONICS CO.,LTD ]
