YD6282 YOUDA INTEGRATED CIRCUIT DUAL AUDIO POWER AMPLIFIER—YD6282 DESCRIPTION YD6282 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: Pout（1）=2.5W/CH（Typ.） (Vcc=9V, RL=4Ω, f=1kHz, THD=10%) Pout（2）=4.6W/CH（Typ.） (Vcc=12V, RL=4Ω, 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 1 2 + + _ _ Vstb FIL 3 4 GND 5 6 7 8 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 YD6282 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS （Tamb=25℃） PARAMETER SYMBOL VALUE UNIT Supply Voltage VCC 20 V Output Peak Current Iop 2.5 A Power Dissipation Infinite Heat Sink PD No Heat Sink 12.5 W 2.0 Operating Temperature Topr -20～+75 ℃ Storage Temperature Tstg -55～+150 ℃ ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VCC=9V, RL=4Ω, Rg=600Ω, f=1kHz, Tamb=25℃） PARAMETER SYMBOL TEST CONDITIONS Quiescent Current Iccq Vin=0 Output Power Po THD=10%， MIN 2.0 TYP MAX UNIT 19 45 mA 2.5 W Vcc=12V，THD=10% 4.6 Po=1W/CH 0.2 1.0 45 47 Total Harmonic Distortion THD Voltage Gain GV Input Resistance Zi Output Noise Voltage VNO Ripple Rejection Ratio RR Cross Talk CT Input Offset Voltage V5,V7 20 Standby Current ISBY 1 WuXi YouDa Electronics Co., Ltd Rf=82Ω Vo=0dBm Rf=0 Vo=0dBm 43 56 30 Rg=0 BW=20Hz～20kHz f=100Hz Rg=600Ω Vr=0.2Vrms Rg=600Ω f=1kHz, Vo =0dBm 2 of 4 0.3 % dB kΩ 1.0 mVs 54 dB 60 dB 60 mV μA Website: www.e-youda.com YD6282 YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT + 3 1000μ 12 1000μ 1 + Vin1 *Cin 82Ω + 6 0.1μ + 100μ + 1000μ POWER AMP1 5 Vcc + STAND-BY + 2 - 47μ 0.15μ 4 + BIAS AND THERMAL PROTECTION 220μ 11 + *Cin Vin2 + + 7 + 8 POWER AMP 2 - 82Ω 10 100μ + 1000μ 0.15μ 47μ 9 WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com YD6282 YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com