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