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參數(shù)資料
| 型號： | UTC34119 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | LOW POWER AUDIO AMPLIFIER |
| 中文描述： | 低功耗音頻放大器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 115K |
| 代理商： | UTC34119 |
UTC34119
LINEAR INTEGRATED CIRCUIT
YOUWANG ELECTRONICS CO.LTD
1
LOW POWER AUDIO AMPLIFIER
DESCRIPTION
The UTC34119 is a low power audio amplifier integrated
circuit intended (primarily) for the telephone applications,
such as in speakerphones. It provides differential speaker
outputs to maximize output swing at low supply voltages.
Coupling Capacitor to the speaker are not required. Open
loop gain is 80dB, and the closed loop gain is set with two
external resistors. A chips Disable pin permits powering
down and/or muting the input signal.
FEATURES
*Wide operating supply voltage: Vcc=2~16V
*Low quiescent supply current(Icc=2.7mA,typical)
*Medium output power
Po=250mW at Vcc=6V,R
L
=32ohm ,Thd=10%
*Load Impedance range(8 ohms to 100 ohm)
*Low distortion
*Mute function(Icc=65
μ
A, typical)
*Minimum number of external parts required.
DIP-8
BLOCK DIAGRAM
Bias
4
3
5
8
6
1
2
7
Amp 2
Amp 1
R
R
Inverting
Input
Non-
Inverting
Input
Vcc
Ripplie
Rejection
GND
MUTE
Output 2
Output 1
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