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, R
L
=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
YOUDA [ WUXI YOUDA ELECTRONICS CO.,LTD ]
