UTC2822 LINEAR INTEGRATED CIRCUIT DUAL LOW VOLTAGE POWER AMPLIFIER DESCRIPTION The UTC2822 is a monolithic integrated audio amplifier in a 8-Pin plastic Dual in line package. It is designed for portable cassette players and radios. FEATURES *Wide operating supply voltage:Vcc=1.8V- 12V *Low crossover distortion *Low quiescent circuit current *bridge/stereo configuration DIP-8 BLOCK DIAGRAM PIN CONFIGURATION VCC 2 INPUT1 7 1 NP1 8 OUTPUT1 OUTPUT 1 1 8 NF 1 Vcc 2 7 INPUT 1 OUTPUT 2 3 6 GND 4 5 INPUT 2 INPUT2 6 3 NP2 OUTPUT2 NF 2 5 4 GND ABSOLUTE MAXIMUM RATINGS(Ta=25°C) Characteristic Supply Voltage Output Peak Current Power Dissipation Operating Temperature Storage Temperature Symbol VCC IO(peak) PD Topr Tstg Value 15 1 at Tamb=50°C 1.0 at Tcase=50°C 1.4 -20~+70 -40~+150 YOUW ANG ELECTRONICS CO.LTD Unit V A W °C °C 1 UTC2822 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Ta=25°C,VCC=6V,f=1kHz,unless otherwise specified) Characteristic Symbol Test Conditions Operating Supply Voltage Quiescent Circuit Current Closed Loop Voltage Gain Closed Loop Voltage Gain Channel Balance Output Power VCC ICC AV AV CB PO Output Power PO Output Power PO Output Power PO Total Harmonic Distortion Total Harmonic Distortion Ripple Rejection Output Noise Voltage Cross Talk Input Resistance Min Vi=0 Stereo Bridge Stereo Stereo,VCC=6V,RL=4Ω, THD=10% Stereo,VCC=3V,RL=4Ω, THD=10% Bridge,VCC=6V,RL=4Ω, THD=10% Bridge,VCC=3V,RL=4Ω, THD=10% Stereo,RL=8Ω, Po=0.2W Bridge,RL=8Ω, Po=0.5W Stereo,f=100Hz,C3=100µF Stereo, BW(-3dB)=20Hz~20kHz Stereo,f=1kHz THD THD RR VNO CT Ri 0.9 24 1 0.11 W 1.35 W 0.35 W 0.5 0.5 30 0.5 50 % % dB mV dB k 2.0 VCC C5 100µF 2 2 7 1 C4 470µF 8 7 INPUT1 1 C6 0.1µF RL C1 100µF R1 10kΩ 8 R3 4.7Ω 6 3 5 R2 10kΩ V mA dB dB dB W TEST CIRCUIT 2:BRIDGE VCC INPUT2 Units 9 9 40 40 0 0.65 -1 0.4 C3 100µF R1 10kΩ Max 100 TEST CIRCUIT 1:STEREO INPUT1 Typ 1.8 C5 470µF 6 3 C7 0.1µF C2 100µF 4 C1 10µF C2 0.1µF R2 4.7Ω RL R4 4.7Ω YOUW ANG ELECTRONICS CO.LTD 5 4 C4 0.01µF C3 0.1µF R3 4.7Ω 2 RL UTC2822 LINEAR INTEGRATED CIRCUIT SCHEMATIC DIAGRAM 2 Vcc I source CONTROL Vcc Vcc 1 3 OUT 1 OUT 2 8 7 6 5 4 NF 1 INPUT 1 INPUT 2 NF 2 GND TYPICAL PERFORMANCE CHARACTERISTICS RIPPLE REJECTION (dB) QUIESCENT CURRENT (mA) 8 6 4 2 0 10 C1=C2 =22µF 20 30 C1=C2 =100µF 40 0 4 8 12 16 SUPPLY VOLTAGE (V) 10 30 100 300 1000 3000 FREQUENCY (Hz) YOUW ANG ELECTRONICS CO.LTD 3 This datasheet has been downloaded from: www.DatasheetCatalog.com Datasheets for electronic components.