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| YOUDA INTEGRATED CIRCUIT YD2611 TV SOUND POWER AMPLIFIER--YD2611 DESCRIPTION The YD2611 is a monolithic integrated circuit designed for the TV sound power amplifier. It also can be used in audio power amplifier sets. FEATURES *Wide operating voltage (6V to 35V) * Few external components *Fixed Closed Loop Gain *High input impedance *Built-in thermal protection circuit *Fine ripple rejection characteristic BLOCK DIAGRAM 1 Bias 8 Circuit R Pre Amplifier Power Amplifier 2 6 5 7 9 4 3 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: 86-510-5205110 Website: www.e-youda.com SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418 Ver 5. 0 1 of 3 2006-06-30 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Pulse Peak Output Current Peak Output Current(continuously) Operating Temperature Storage Temperature (Tamb=25) VALUE 35 3 1.5 -25 to +75 -55 to +150 YD2611 SYMBOL Vcc Ios Ior Topr Tstg UNIT V A A ELECTRICAL CHARACTERISTICS (Tamb=25, Vcc=18V, RL=8, f=1kHz, Unless otherwise specified) PARAMETER Quiescent Current SYMBOL Icc TEST CONDITIONS No input Signal Vcc=18V, RL=8, THD=10% Vcc=12V, RL=8, THD=10% Output Power Po Vcc=20V, RL=15, THD=10% Vcc=25V, RL=8, THD=10% Voltage Gain Total Harmonic Distortion Bandwidth Noise Output Voltage Input Impedance Input Sensitivity GV THD BW Vno Zi Po=2.5WRL=8 Vis Po=4.2W 83 44 Rg=5 k, 60HZ~15KHz Po=2W 15 0.2 45 55 66 mV 0.5 6 5 38 0.3 1.0 dB % kHz mV k 4 MIN TYP 25 4.5 1.7 W MAX UNIT mA WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT Vcc=18V + 100nF R9 100pF 6 7 47F 1 8+ 22F 2 100nF 3 2F/16V C R 1K 9 4 10 YD2611 YD2611 Vi G 5 + 220F/16V RL8/5W OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com |
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