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GP34119

GTM
Part Number GP34119
Manufacturer GTM
Description LOW POWER AUDIO AMPLIFIER
Published Aug 9, 2007
Detailed Description www.DataSheet4U.com ISSUED DATE :2005/02/18 REVISED DATE : G P 3 4 11 9 Description LOW POWER AUDIO AMPLIFIER The GP3...
Datasheet PDF File GP34119 PDF File

GP34119
GP34119

Overview
www.
DataSheet4U.
com ISSUED DATE :2005/02/18 REVISED DATE : G P 3 4 11 9 Description LOW POWER AUDIO AMPLIFIER 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 Output Power Exceeds 250 mW with 32 Low Total Harmonic Distortion (0.
5% Typ) Gain Adjustable from <0 dB to >46 dB for Voice Band ...


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