YD34119A
YD34119A is LOW POWER AUDIO AMPLIFIER manufactured by Wuxi Youda electronics.
DESCRIPTION
The YD34119A is a low power audio amplifier integrated circuit intended (primarily) for the telephone applications, such as in speakerphones.
FEATURES
- Wide operating supply voltage: Vcc=2~6V;
- Low quiescent supply current (Icc=2.7m A, typ.);
- Medium output power Po=250m W 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
BIAS
+
_
+
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125k 50k
Wu Xi You Da 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: .e-youda. SHENZHEN OFFICE Tel： 86-755-83740369 Fax： 86-755-83741418 Ver 5.0 1 of 4 2006-06-28
Data Sheet 4 U .
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YOUDA INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Peak Output Current Maximum Input/Output Voltage Junction Temperature (Tamb=25℃) VALUE 8.0 ±250 -1.0~Vcc+1.0 -55～+140 (Tamb=25℃) TYP 4.2 32 100 0 0 -20 30
SYMBOL Vcc Iop Vi/Vout Tj
UNIT V m A V ℃
REMENDED OPERATION CONDITIONS
PARAMETER Supply Voltage Load Impedance Peak Load Current Differential Gain(5k Hz Bandwidth) Voltage at Mute Ambient Temperature SYMBOL Vcc RL Iop Gv Vi(mute) Tamb MIN 2.0 8
MAX 6.0 100 200 46 Vcc +70
UNIT V Ω m A d B V ℃
ELECTRICAL CHARACTERISTICS
PARAMETER...
