YD7368 YOUDA INTEGRATED CIRCUIT 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 YD7368 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Tamb=25℃) PARAMETER SYMBOL VALUE UNIT Supply Voltage Vcc 14 V Output Peak Current Iop 1.5 A Power dissipation PD 900 mW Operating Temperature Topr -20 to +75 ℃ Storage Temperature Tstg -55 to 150 ℃ ELECTRICAL CHARACTERISTICS (Tamb=25℃，Vcc=6V， RL=4Ω，Rg=600Ω，f=1kHz，Unless otherwise specified) PARAMETER Quiescent Circuit Current Output Power SYMBOL Iccq Po TEST CONDITIONS TYP Vcc=3V, Vi=0 5.5 Vcc=6V, Vi=0 6.6 Vcc=9V, Vi=0 7.5 Vcc=3V, RL=4Ω, THD=10% 120 Vcc=6V, RL =4Ω, THD=10% 500 720 Vcc=6V, RL =8Ω, THD=10% 300 450 Vcc=9V, RL =8Ω, THD=10% 800 1100 Vcc=9V, RL =16Ω, THD=10% 450 610 Total Harmonic Distortion THD Po=100mW Voltage Gain Gv Vo=0.5mVrms Output Noise Voltage VNO Ripple Rejection RR Input Resistance Zi WuXi YouDa Electronics Co., Ltd MIN MAX UNIT mA mW 0.3 1.0 % 40 43 dB RG=10kΩ, BPF=20Hz~20kHz 0.2 0.5 mV f=100Hz, Vr=0.3Vrms, without Crip 25 dB 27 kΩ 2 of 3 37 Website: www.e-youda.com YD7368 YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT VCC + 2 9 0.01μ 220μ + 100μ 8 FILTER 4 + 1 + 47μ + 7 3 SPEAKER 470μ 0.1μ + 100μ 5 6 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com