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| Silicore DUAL POWER AMPLIFIER GENERAL DESCRIPTION The D2822N is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio po wer a mplifier in portable cassette tape players and radios. D2822N FEATURES Dual Low-voltage power a mplifier Supply voltage down to 1.8V Low cro ssov er d isto rtio n Low quiescent cu rrent Bridge or stereo configuratio n BLOCK DIAGRAM NF1 8 IN1 7 _ + 1 OUT1 w w 2 BIAS CIRCUIT w t a .D IN2 6 + _ 3 OUT2 NF2 5 S a e h U t4 e Vcc .c m o Ou tlin e Drawing PINNING OUTPUT(1) 1 2 D2822N 8 7 D2822 6 5 INPUT-(1) INPUT+(1) INPUT+(2) INPUT-(2) OUTPUT(2) GROUND 4 GND 3 4 Vcc SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC w w w .D a aS t ee h 4U t 1/5 om .c Silicore MAXIMUM RATINGS Characteristics Supply Voltage Output Peak Current Total Power Dissipation(at Tamb =50 C) Total Power Dissipation(at Tcase=50C) Operating Ambient Temp erature Range Storage Temp erature Range Symbol Vcc Ipk PD PD Ta Tstg D2822N 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,Tamb=25C) Characteristic Supply Voltage Quiescent Output Voltage Quiescent Drain Current Input Bias Current Symbol Vcc Vo Id IBA d=10% f=1kHz Vcc=3V RL=4 | Vc c= 3V RL =3 2| d=10% f=1kHz Vcc=9V RL=8 | Vc c= 6V RL =4| V c c= 4. 5 V RL= 4 | Po=0.5W RL =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 A f=1kHz Rs=10k | Rs=10k | B = Cu re A B = 22 Hz to2 2 kH z F 24 100 2 |I 3 30 50 dB dB 1 9 15 Uni t V V V mA nA mW Output Power (Each Channel) Po 0.4 W Distortion Closed Loop Vo ltage Gain Channel Balance Input Resistance Total Input Noise Supply Voltage rejection Channel Separation THD Avf Av f Ri VNI SVR CSR % dB dB k | V f=100Hz C1 =C2=100|I f=1kHz SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 2/5 CHMC Silicore Characteristic Supply Vo ltage Quiescent Drain Current Output Offset Voltage (Between th e Outputs) Input Bias Current Sym -bol Vcc Id Vos Ib d=10% f=1kHz Vcc=9V RL=16| Vcc=6V RL=8 | Vcc=4.5V RL=8 | Vcc=4.5V RL=4 | Vcc=3V RL=4 | Vcc=2V RL=4 | f=1kHz RL= RL=8 | 100 2 1.35 0.7 1 200 350 80 0.2 40 100 Curve A B=22Hz to 22kHz 2.5 Test Condition Min. 1.8 6 D2822N 2.Bridge Test Circuit (Unless otherwise specified Vcc=6V,Tamb=25C) Typ. Max. 15 9 A 50 Unit V mA mV nA W Output Power Po mW % dB k| |I V dB kHz Distortion Closed Loop Vo ltage Gain Input Resistance Total Input Noise Supply Voltage Rejection Power Bandwidth (-3dB) THD Po=0.5W RL=8 | Avf Ri VNI Rs=10k | SVR B f=100Hz RL=8 | Po =1 W f=1kHz f=1kHz Rs=10k | 3 40 120 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 3/5 CHMC Silicore TEST CIRCUIT 1.STEREO TEST CIRCUIT +Vcc C3 10uF 2 IN (L) R1 10K 100uF 7 8 C1 6 5 100uF C2 4 + _ C4 470uF 1 C6 R3 4.7 + _ C5 470uF 3 C7 R4 4.7 0.1uF 0.1uF D2822N RL IN (R) R2 10K RL 2.BRIDGE TEST CIRCUIT +Vcc C3 10uF 2 IN 7 R1 10K + - 1 R2 4.7 C1 C4 0.1uF RL 8 6 + - 3 10uF 5 R3 4.7 C5 0.1uF C2 10nF 4 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 4/5 CHMC Silicore APPLICATION CIRCUIT 1. Typical application in portable players +3V D2822N 2 IN (L) 7 + _ 100uF 0.1uF 4.7 6 5 100uF + _ 4 100uF 0.1uF 4.7 3 32/16 HEADPHONE 1 10K 100uF IN (R) 10K 8 CHARACTERISTICS CURVES SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 5/5 CHMC |
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