YD7000

www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 POWER AMPLIFIER FOR HEADPHONE STEREOS—YD7000 DESCRIPTION The YD7000 is a low power audio amplifier integrated circuit for headphone. It provides differential speaker outputs to maximize output swing at low supply voltages. FEATURES *Low current consumption. *16Ω load drive capability. *Excellent reduced voltage characteristics. *Excellent power supply ripple rejection. *Minimum number of external pares required (no input capacitor, feedback capacitor required). *Applicable to radio sets because of high voltage gain. *Less harmonic interference in radio band. *On-chip power switch function, muting function. BLOCK DIAGRAM MUTE SWITCH 10 MUTE CIRCUIT Amp1 POWER SWITCH 1 POWER SWITCH 2 IN1 3 PRE GND 4 IN2 5 REF Amp2 OUT1 9 POWER GND 8 OUT2 7 Vcc 6 BIAS 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 DataSheet 4 U .com www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Allowable Power Dissipation Operating Temperature Storage Temperature (Tamb=25℃) VALUE 4.5 300 -20～+75 -40～+125 UNIT V mW ℃ ℃ SYMBOL Vcc PD Topr Tstg RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Operating Voltage Range Recommended Load Resistance SYMBOL V...