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參數(shù)資料
| 型號： | GP34119 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運動控制電子 |
| 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)： | 1/8頁 |
| 文件大?。?/td> | 576K |
| 代理商： | GP34119 |
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Description
The GP34119 is a low power audio amplifier integrated circuit intended (primarily) for telephone applications, such as in speakerphones. It
provides differential speaker outputs to maximize output swing at low supply voltages (2.0V minimum). Coupling capacitors to the speaker
are not required. Open loop gain is 80 dB, and the closed loop gain is set with two external resistors. A Chip Disable pin permits powering
down and/or muting the input signal.
Features
Wide Operating Supply Voltage Range (2.0V to 16V), Allows Telephone Line Powered Applications
Low Quiescent Supply Current (2.7mA Typ) for Battery Powered Applications
Chip Disable Input to Power Down the IC
Low Power-Down Quiescent Current (65uA Typ)
Drives a Wide Range of Speaker Loads (8.0
and Up)
Output Power Exceeds 250 mW with 32
Speaker
Low Total Harmonic Distortion (0.5% Typ)
Gain Adjustable from <0 dB to >46 dB for Voice Band
Requires Few External Components
Package Dimensions
1/8
ISSUED DATE :2005/02/18
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Millimeter
Min.
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0.381
2.921
0.356
0.356
1.143
0.762
0.203
Millimeter
Min.
0.203
9.017
6.096
7.620
2.540 BSC
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2.921
REF.
Max.
0.5334
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4.953
0.559
0.508
1.778
1.143
0.356
REF.
Max.
0.279
10.16
7.112
8.255
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10.92
3.810
Block Diagram and Simplified Application & Pin Configuration
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SEATING PLANE
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SECTION Z - Z
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GAUGE PLANE
DIP-8
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