LOW POWER AUDIO AMPLIFIER
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YOUDA INTEGRATED CIRCUIT
YD34119
LOW POWER AUDIO AMPLIFIER—YD34119
DESCRIPTION
The YD34119 is a l...
Description
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
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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 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...
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