DUAL 5W BTL AUDIO POWER AMPLIFIER CIRCUIT
UTC17821
LINEAR INTEGRATED CIRCUIT
DUAL 5W BTL AUDIO POWER AMPLIFIER CIRCUIT
FEATURES
• Vcc=11V,output=5W(8 ) • Built-...
Description
UTC17821
LINEAR INTEGRATED CIRCUIT
DUAL 5W BTL AUDIO POWER AMPLIFIER CIRCUIT
FEATURES
Vcc=11V,output=5W(8 ) Built-in standby function Built-in DC volume circuits
APPLICATIONS
TVs, audio equipment, personal computers, active speakers
SIP12H-2.54
BLOCK DIAGRAM
10
11
GND (Ch1 Output)
Ch1 Output
Ch1 Output
YOUWANG ELECTRONICS CO.LTD
1
GND (ch2 Output)
Ch2 Output
2008.02.17 V1.1
Ch2 Output
Free Datasheet http://www.datasheet4u.com/
standby
Vcc
Ch2 Input
Ch1 Input
Volume
GND
12
1
2
3
4
6
7
8
5
9
UTC17821
PIN DESCRIPTION
Pin No.
1 2 3 4 5 6
LINEAR INTEGRATED CIRCUIT
Pin No.
7 8 9 10 11 12
Function
Vcc Ch1 Output(+) GND(Output ch1) Ch1 Output(-) Standby Ch1 Input
Function
GND(Input) Ch2 Input DC Volume Ch2 Output(-) GND(Output ch2) Ch2 Output(+)
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage(note2) Supply Current Operating Temperature (note1) Storage Temperature(note1) Power Dissipation(Ta=70°C)
Symbol
VCC Icc TA Tstg Pd
Value
14 2.0 -25 to+70 -55 to+150 1920
Unit
V A °C °C mW
Note1:Ta=25°Cexcept storage temperature and operating ambient temperature. Note2: At no-signal.
OPERATING SUPPLY VOLTAGE RANGE
Characteristic
Operating Supply Voltage Range
Symbol
Vcc
Value
3.5 to13.5
Unit
v
YOUWANG ELECTRONICS CO.LTD
2
2008.02.17 V1.1
UTC17821
Characteristic
Quiescent Current Standby Current Output Noise Voltage Voltage Gain Total Harmonic distortion Maximum Power Output 1 Maximum Power Output 2
LINEAR INTEGRATED CIRCUIT
,freq=1kH...
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