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| om .c YOUDA INTEGRATED CIRCUIT YD8207 U t4 ee DUAL AUDIO POWER AMPLIFIER-YD8207 Sh ta a D . DESCRIPTION w w YD8207 is an audio power IC with built-in two channels developed for portable radio cassette tape recorder. wBecause 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=6V 15V *Best for supply voltage: 9V or 12V BLOCK DIAGRAM om .c 4U et he WuXi YouDa Electronics Co., Ltd aS China Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu at www.e-youda.com Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110 Website: .D SHENZHEN OFFICE Tel 86-755-83740369 13823533350 Fax 86-755-83741418 w w Ver 3.1 1 of 3 2004-9-20 w m o .c U t4 e e h S ta a .D w w w + + _ _ Vstb 3 FIL 4 GND 9 1 2 5 6 7 8 10 11 Vcc 12 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power Dissipation Operating Temperature Storage Temperature Tamb=25ae(c) VALUE 20 2.5 12.5 -20 -55 +75 +150 YD8207 SYMBOL VCC Iop PD Topr Tstg UNIT V A W ae ae ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VCC=9V, RL=4| 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=20Hz 20kHz f=100Hz Rg=600 Vr=0.2Vrms Rg=600, f=1kHz, Vo =0dBm , Rg=600| , f=1kHz, Tamb=25ae(c) TEST CONDITIONS Vin=0 THD=10% Vcc=12V, THD=10% Po=1W/CH Rf=120 Vo=0dBm 43 2.0 MIN TYP 19 2.5 W 4.6 0.2 45 56 30 0.3 54 60 20 1 |I 60 1.0 1.0 47 % dB k mVs dB dB mV A MAX 45 UNIT mA Rf=0 Vo=0dBm WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT + 1000|I YD8207 3 STAND-BY 12 + 1000|I 0.1|I Vcc 1 + Vin1 *Cin + 6 5 + POWER AMP1 2 100|I + 1000|I + 47|I 120| 0.15|I + 220|I 4 BIAS AND THERMAL PROTECTION 11 + Vin2 *Cin 7 8 + POWER AMP 2 10 - + 100|I + 1000|I 0.15|I + 47|I 120| 9 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com |
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