UTC8227 Datasheet, PDF (1/3 Pages) Hangzhou Youwang Electronics Co., Ltd – LOW FREQUENCY POWER AMPLIFIER

UTC8227
LINEAR INTEGRATED CIRCUIT
LOW FREQUENCY POWER
AMPLIFIER
DESCRIPTION
The UTC8227 is the audio power amplifier with built-in
two channel developed for portable radio cassette tape
recorder with power ON/OFF switch.
FEATURES
*Wide operating supply voltage: Vcc=5~12V
*Low quiescent supply current
(Icc=21mA,typical,at Vcc=9V ,Vi=0)
*Output power
Po=2.50W/CH at Vcc=9V,RL=4ohm ,f=1kHz,Thd=10%
*Soft Clip
*Built-in Thermal shut-down protection circuit
*Stand-by Switch
HDIP-12
TEST CIRCUIT
Input 1
Input 2
SW1
Vcc1
1
12
6
NF1
45Ω
5
120Ω
Ripple
9
7
NF2
45Ω
8
120Ω
30kΩ
30kΩ
Vcc2
Boot
3 ^{strap 1}
1000µF Output 1
2
RL
Boot
10 ^{strap 2}
1000µF Output 2
11
RL
TAB
Pre
GND
4
Power
GND
YOUW ANG ELECTRONICS CO.LTD
1