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| YOUDA INTEGRATED CIRCUIT YD2822 DUAL CHANNEL POWER AMPLIFIER----YD2822 DESCRIPTION The YD2822 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=1.8V15V *Low crossover distortion *Low quiescent circuit current *Bridge/stereo configuration BLOCK DIAGRAM 8 _ 7 + 6 + 5 _ Vcc GND 1 2 3 4 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power Dissipation Tamb=50 Tcase=50 (Tamb=25) SYMBOL Vcc Iop PD Topr Tstg VALUE 15 1.0 1.0 1.4 -20~+ 70 -40~+150 UNIT V A W Operating Temperature Storage Temperature WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418 Ver 5.0 1 of 5 2006-06-28 YOUDA INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Vcc=6V, Tamb=25, all voltage referenced to GND, Unless otherwise specified) STEREO APPLICATION YD2822 PARAMETER Operating Supply Voltage Quiescent Circuit Output Voltage Input Bias Current Quiescent Circuit Current SYMBOL VCC VO IB Iccq TEST CONDITIONS MIN 1.8 TYP MAX 15 UNIT V V V nA VCC=3V 2.7 1.2 100 6 9 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 41 1 mA Output Power Po Total Harmonic Distortion Closed Loop Voltage Gain Channel Balance Input Resistance Input Noise Voltage Ripple Rejection Cross Talk THD GV GV Zi VNI RR CT VCC=9V VCC=6V RL=32 VCC=4.5V VCC=3V VCC=2V f=1kHz RL=16 VCC=6V THD=10 VCC=9V % RL=8 VCC=6V VCC=6V RL=4 VCC=4.5V VCC=3V RL=32PO=40mW RL=16PO=75mW RL=8PO=150mW f=1kHz f=1kHz Rg=10k BPF=20Hz20kHz f=100Hz C1=C2=100F f=1kHz 90 15 170 300 450 mW % dB dB k V dB dB 37 100 2.5 24 30 30 WuXi YouDa Electronics Co., Ltd 2 of 5 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT BTL APPLICATION YD2822 PARAMETER Operating Supply Voltage Quiescent Circuit Current DC Output Balance Input Bias Current SYMBOL VCC Iccq VO IB TEST CONDITIONS NIN 1.8 TYP MAX 15 UNIT V mW mW nA RL= RL=8 VCC=9V VCC=6V VCC=4.5V VCC=3V VCC=2V VCC=9V VCC=6V VCC=3V VCC=6V VCC=4.4V VCC=3V VCC=4.5V VCC=3V VCC=2V 300 50 6 100 1000 320 200 65 8 2000 120 1350 700 220 1000 350 80 0.2 37 100 3 40 120 39 9 50 RL=32 Output Power Po f=1kHz THD =10% RL=16 RL=8 RL=4 mW 900 200 Total Harmonic Distortion Closed Loop Voltage Gain Input Resistance Input Noise Voltage Ripple Rejection Power Bandwidth THD GV Zi VN1 RR BW Po=0.5W, RL=8, f=1kHz f=1kHz f=1kHz Rg=10k BPF=20Hz20kHz f=100Hz RL=8, Po=1W % 41 dB k V dB kHz WuXi YouDa Electronics Co., Ltd 3 of 5 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT (1) YD2822 STEREO APPLICATION VCC + 2 Vin1 10k 100 + 7 8 + 1 470 0.1 YD2822 470 + 0.1 4.7 Vin1 10k 100 + 6 5 + 3 4 470 + 0.1 4.7 (2) YD2822 BTL APPLICATION VCC + 2 Vin 10k 7 8 100 + 6 0.01 5 + 3 4 0.1 4.7 + 1 0.1 4.7 SPEAKER 470 0.1 WuXi YouDa Electronics Co., Ltd 4 of 5 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD2822 WuXi YouDa Electronics Co., Ltd 5 of 5 Website: www.e-youda.com |
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