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| YOUDA INTEGRATED CIRCUIT YD386 LOW VOLTAGE AUDIO POWER AMPLIFIER ----YD386 DESCRIPTION The YD386 is a power amplifier, designed for use in low voltage consumer applications. The gain is internally set to 20 to keep the external part count low. But the additional of an external resistor and capacitor between pin 1 and pin 8 will increase the gain to any value up to 200. FEATURES *Minimum external parts; *Wide supply voltage range: 4V~12V; *Voltage gains:20~200; *Ground referenced input; *Low distortion. BLOCK DIAGRAM 8 7 Vcc 6 5 _ + GND 3 4 1 2 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 Input Voltage Output Peak Current Power Dissipation Operating Temperature Storage Temperature (Tamb=25) VALUE 15 0.4V 1.5 1250 0 to +70 -55 to +150 YD386 SYMBOL Vcc Vi Iop PD Topr Tstg UNIT V V A mW ELECTRICAL CHARACTERISTIC (Tamb=25,all voltage referenced to GND Unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS NIN TYP MAX UNIT Supply Voltage Quiescent Circuit Current Output Power Vcc Iccq Po Vcc=9V, THD=10% Pin1 and Pin 8 open Vi=0 Vcc=6V, THD=10% 4 4 250 500 325 12 8 V mA mW 700 26 dB 46 300 kHz 60 0.2 50 50 % dB k nA Voltage Gain Gv 10F Fron pin1 and pin8 Pin1 and Pin 8 open Gain Bandwidth Total harmonic distortion Supply Voltage Rejection Input Resistance Input Bias current BW 10F Fron pin1 and pin8 THD RR Zi IB Pin2 and Pin 3 open Po=125mW, Pin1 and Pin 8 open 10F Fron pin7 and GND 250 WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT Vcc YD386 + 470 0.1 + 6 8 1 10 Vin W 10k 2 3 5 + + 220 0.047 RL 4 7 + 10 10 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com |
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