D2822

Silicore DUAL POWER AMPLIFIER GENERAL DESCRIPTION The D2822 is a monolithic integrated circuit in 8 lead Minidip package. It is in tended for use as dual audio power amplifier in portable D2822 cassette tape players and radios. FEATURES z z z Dual Low-voltage power a mplifier Supply voltage down to 1.8V Low cro sso v er d isto rtio n Outline Drawing z Low quiescent cu rrent Bridge or stereo configuratio n z BLOCK DIAGRAM NF1 8 IN1 7 IN2 6 NF2 5 PINNING OUTPUT(1) Vcc OUTPUT(2) GROUND 1 2 D2822 3 4 8 7 6 5 INPUT-(1) INPUT+(1) INPUT+(2) INPUT-(2) _ + BIAS CIRCUIT + _ 1 OUT1 2 Vcc 3 OUT2 4 GND SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/7 CHMC Silicore MAXIMUM RATINGS Characteristics Supply Voltage Output Peak Current Total Power Dissipation(at Tamb =50 ° C) Total Power Dissipation(at Tcase=50 ° C) Operating Ambient Temp erature Range Storage Temp erature Range Symbol Vcc Ipk PD PD Ta Tstg D2822 Value 15 1 1 1.4 -20~70 -40~150 Unit V A W W °C °C ELECTRICAL CHARACTERISTICS 1. Stereo Test Circuit( Unless otherwise specified Vcc=6V,Ta mb=25 ° C) Characteristic Supply Voltage Quiescent Output Voltage Quiescent Drain Current Input Bias Current Symbol Vcc Vo Id IBA d=10% f=1kHz Vcc=3V R L =4 ¦¸ Vc c= 3V R L =3 2¦¸ d=10% f=1kHz Vcc=9V R L =8 ¦¸ Vc c= 6V R L =4¦¸ V c c= 4. 5 V R L = 4 ¦¸ Po=0.5W R L =8¦¸ f = 1k Hz Vc c =9 V f=1kHz Vcc=3V Test Condition Min. Typ. Max. 1.8 2.7 1.2 6 100 110 20 1 0.65 0.32 0.3 40 ¡À f=1kHz Rs=10k ¦¸ Rs=10k ¦¸ B =...