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| YOUDA INTEGRATED CIRCUIT YD8207 DUAL AUDIO POWER AMPLIFIER-YD8207 DESCRIPTION YD8207 is an audio power IC with built-in two channels developed for portable radio cassette tape recorder. Because of the parts reduction and SIP (Single In line Package), space merit is remarkable. Thermal shut down protection circuit is built in. FEATURES *High Power: Po(1)=2.5W/CH(Typ.) (Vcc=9V, RL=4, f=1kHz, THD=10%) Po(2)=4.6W/CH(Typ.) (Vcc=12V, RL=4, f=1kHz, THD=10%) *Low popping noise at power ON. *Small quiescent current: Iccq=19mA(Typ.) (Vcc=9V, Vin=0) *Soft clip *Built-in thermal shut down protection circuit *Operation supply voltage range: Vcc=6V15V *Best for supply voltage: 9V or 12V BLOCK DIAGRAM + _ + _ Vstb 1 2 3 FIL 4 5 6 7 8 GND 9 10 11 Vcc 12 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 4 2006-06-28 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power Dissipation Infinite Heat Sink No Heat Sink Tamb=25 SYMBOL VCC Iop PD Topr Tstg VALUE 20 2.5 12.5 2.0 -20+75 -55+150 YD8207 UNIT V A W Operating Temperature Storage Temperature ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VCC=9V, RL=4, Rg=600, f=1kHz, Tamb=25 PARAMETER Quiescent Current Output Power Total Harmonic Distortion Voltage Gain Input Resistance Output Noise Voltage Ripple Rejection Ratio Cross Talk Input Offset Voltage Standby Current SYMBOL Iccq Po THD GV Zi VNO RR CT V5,V7 ISBY Rg=0 BW=20Hz20kHz f=100Hz Rg=600 Vr=0.2Vrms Rg=600, f=1kHz, Vo =0dBm TEST CONDITIONS Vin=0 THD=10% Vcc=12V, THD=10% Po=1W/CH Rf=120 Rf=0 Vo=0dBm Vo=0dBm 43 2.0 MIN TYP 19 2.5 W 4.6 0.2 45 56 30 0.3 54 60 20 1 60 1.0 1.0 47 % dB k mVs dB dB mV A MAX 45 UNIT mA WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT YD8207 + 1000 3 STAND-BY 12 + 1000 0.1 Vcc 1 + Vin1 *Cin + 6 5 + POWER AMP1 2 100 + 1000 + 47 120 0.15 + 220 4 BIAS AND THERMAL PROTECTION 11 + Vin2 *Cin 7 8 + POWER AMP 2 10 - + 100 + 1000 0.15 + 120 47 9 WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD8207 WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com |
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