YD34119

www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD34119 LOW POWER AUDIO AMPLIFIER—YD34119 DESCRIPTION The YD34119 is a low power audio amplifier integrated circuit intended (primarily) for the telephone applications, such as in speakerphones. FEATURES *Wide operating supply voltage: Vcc=2~16V; *Low quiescent supply current (Icc=2.7mA, typ.); *Medium output power Po=250mW at Vcc=6V, RL=32Ω, THD=10%; *Load impedance range (8Ωto 100Ω); *Low distortion; *Mute function (Icc=65μA, typ.); *Minimum number of external parts required. BLOCK DIAGRAM 8 7 4k 4k 50k 6 5 BIAS + _ + _ 125k 50k 1 2 3 4 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 2006-6-28 DataSheet 4 U .com www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Peak Output Current Maximum Input/Output Voltage Junction Temperature (Tamb=25℃) VALUE 18 ±250 -1.0~Vcc+1.0 -55～+140 (Tamb=25℃) TYP 4.2 32 100 0 0 -20 30 YD34119 SYMBOL Vcc Iop Vi/Vout Tj UNIT V mA V ℃ RECOMMENDED OPERATION CONDITIONS PARAMETER Supply Voltage Load Impedance Peak Load Current Differential Gain(5kHz Bandwidth) Voltage at Mute Ambient Temperature SYMBOL Vcc RL Iop Gv Vi(mute) Tamb MIN 2.0 8 MAX 16 100 200 46 Vcc +70 UNIT V Ω mA dB V ℃ ELECTRICAL CHARACTERISTICS PARA...