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| YOUDA INTEGRATED CIRCUIT YD7368 0. 72W AUDIO POWER AMPLIFIER--YD7368 DESCRIPTION The YD7368 is suitable for audio power amplifier of portable cassette tape recorder and radio. FEATURES *Very few external components (only three capacitors); *Low quiescent current; *High voltage gain: Gv=40dB; BLOCK DIAGRAM + FILTER 1 FIL 2 3 PHASE 4 GND 5 GND 6 7 NC 8 Vcc 9 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 3 2006-06-28 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power dissipation Operating Temperature Storage Temperature YD7368 (Tamb=25) VALUE 14 1.5 900 -20 to +75 -55 to 150 UNIT V A mW SYMBOL Vcc Iop PD Topr Tstg ELECTRICAL CHARACTERISTICS (Tamb=25Vcc=6V RL=4Rg=600f=1kHzUnless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS Vcc=3V, Vi=0 Quiescent Circuit Current Iccq Vcc=6V, Vi=0 Vcc=9V, Vi=0 Vcc=3V, RL=4, THD=10% Vcc=6V, RL =4, THD=10% Output Power Po Vcc=6V, RL =8, THD=10% Vcc=9V, RL =8, THD=10% Vcc=9V, RL =16, THD=10% Total Harmonic Distortion Voltage Gain Output Noise Voltage Ripple Rejection Input Resistance THD Gv VNO RR Zi Po=100mW Vo=0.5mVrms RG=10k, BPF=20Hz~20kHz f=100Hz, Vr=0.3Vrms, without Crip 37 500 300 800 450 MIN TYP 5.5 6.6 7.5 120 720 450 1100 610 0.3 40 0.2 25 27 1.0 43 0.5 % dB mV dB k mW mA MAX UNIT WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT VCC YD7368 + 2 + 100 9 FILTER 8 4 0.01 220 + 47 1 3 + 7 0.1 + 470 SPEAKER + 100 5 6 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com |
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