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| @vic DUAL LOW VOLTAGE POWER AMPLIFIER DESCRIPTION The AV2822 is a monolithic integrated circuit in (8-Pin) dip plastic dual in line package,intended for use as dual audio power amplifier in portable cassette players and radios. AV2822 FEATURES Supply voltage down to 3V. Low crossover distortion. Low quiescent circuit current. Bridge or stereo configuration. PIN CONFIGURATIONS OUTPUT1 Vcc OUTPUT2 GND 1 2 3 4 8 7 6 5 NF1 INPUT1 INPUT2 NF2 BLOCK DIAGRAM Vcc INPUT1 NP1 OUTPUT1 INPUT2 NP2 OUTPUT2 GND ORDERING INFORMATION PIN 1 2 3 4 SYMBOL 1OUT VCC 2OUT GND PIN 5 6 7 8 SYMBOL 2IN2IN+ 1IN+ 1IN- Copyright (c) Avic Electronics Corp. 1 Website: http://www.avictek.com @vic AV2822 ABSOLUTE MAXIMUM RATINGS(Tamb=25C, unless otherwise specified) PARAMETER Supply Output current Power Dissipation Operatiing Temperature Storage Temperature TA=50C Tcase=50C Tamb Tstg SYMBOL VCC Io PD MIN -20 -40 MAX 15 1 1 1.4 70 150 UNIT V A W C C ELECTRICAL CHARACTERISTICS (stereo configuration) (Vcc=6V,Tamb=25C ,unless otherwise specified). PARAMETER Supply Voltage Quiescent Output Voltage Quiescent Drain Current Input Bias Current SYMBOL Vcc Vo Icc Iba RL=32 F=1kHz, THD=10 % Vcc=9V Vcc=6V Vcc=4.5V Vcc=3V Vcc=2V Vcc=6V Vcc=9V Vcc=6V Vcc=6V Vcc=4.5V Vcc=3V ,Vcc=9V TEST CONDITIONS MIN 1.8 Vcc=3V 90 15 170 300 450 F=1kHz Rs=10 K Rs=10 K ,B=22Hz-22kHz F=100Hz,C1=C2=100uF F=1kHz, 100 24 TYP 2.7 1.2 6 100 300 120 60 20 5 220 1000 380 650 320 110 0.3 40 2 3 30 50 MAX 15 9 1 % dB dB K uV dB dB UNIT V V mA nA Output Power Po RL=16 RL=8 mW RL=4 Toltal Harmonic Distortion Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise Vni Ripple Rejection Channel Separation Srip CSR Po=0.5W,f=1kHz,RL=8 F=1kHz THD Avf Av Ri Copyright (c) Avic Electronics Corp. 2 Website: http://www.avictek.com @vic ELECTRICAL CHARACTERISTICS (BTL configuration) (Vcc=6V,Tamb=25C ,unless otherwise specified). PARAMETER Supply Voltage Quiescent Drain Current Output Offset Voltage Input Bias Current SYMBOL Vcc Icc Vos Iba Vcc=9V Vcc=6V Vcc=4.5V Vcc=3V Vcc=2V Vcc=9V Vcc=3V Vcc=6V Vcc=4.5V Vcc=3V Vcc=4.5V Vcc=3V RL= RL=8 TEST CONDITIONS MIN 1.8 -50 320 50 900 200 100 TYP 6 100 1000 400 200 65 8 2000 120 1350 700 220 1000 350 80 0.2 40 2.5 3 40 120 AV2822 MAX 15 9 50 - UNIT V mA mV nA RL=32 Output Power Po F=1kHz, THD=10 % RL=16 RL=8 mW RL=4 Toltal Harmonic Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise Ripple Rejection Bandwith THD Avf Ri Vni Srip BWp Vcc=2V Po=0.5W,f=1kHz,RL=8 F=1kHz F=1kHz Rs=10 K Rs=10 K ,B=22Hz-22kHz F=100Hz,C1=C2=100uF Po=1W, RL=8 % dB K uV dB kHz Copyright (c) Avic Electronics Corp. 3 Website: http://www.avictek.com @vic TEST CIRCUIT 1. STEREO AV2822 2. BRIDGE Copyright (c) Avic Electronics Corp. 4 Website: http://www.avictek.com @vic TYPICAL PERFORMANCE CHARACTERISTICS AV2822 QUIESCENT CURRENT (mA) 8 RIPPLE REJECTION (dB) 0 10 20 30 C1=C2 =100F 40 0 4 8 12 16 10 30 100 300 1000 3000 C1=C2=22F 6 4 2 SUPPLY VOLTAGE (V) FREQUENCY (Hz) SCHEMATIC DIAGRAM Vcc OUT1 OUT2 NF1 OUTPUT1 OUTPUT2 NF2 GND Copyright (c) Avic Electronics Corp. 5 Website: http://www.avictek.com |
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