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GPM8903 - Low EMI Audio Class D Amplifier

Description

The GPM8903 is a Class D amplifiers provide high performance, thermally efficient amplifier solutions.

4.5W into a 2 Ω load.

Features

  • over current protection, short circuit protection, over temperature protection and UVLO. The GPM8903 is available in SOP16 package. Features n High Output Power: 4.5W@V DD =5.0V, R L=2Ω, THD+N=10% 3.0W@V DD =5.0V, R L=4Ω, THD+N=10% 1.8W@V DD =5.0V, R L=8Ω, THD+N=10% n 32-Step Up/Down Volume Control n 2:1 input MUX for Audio Source Selection n Low THD+N: 0.07% @V DD=5.0V, R L=4Ω, Po=1.5W n Fade-in and Fade-out Function n Minimized Click-and-Pop Noise n Thermal Shutdown s n Under-Voltage-Lockout.

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Datasheet preview – GPM8903

Datasheet Details

Part number GPM8903
Manufacturer Giant Power Microelectronics
File Size 384.29 KB
Description Low EMI Audio Class D Amplifier
Datasheet download datasheet GPM8903 Datasheet
Additional preview pages of the GPM8903 datasheet.

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Full PDF Text Transcription

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GPM8903 Non-Clip,Low EMI Audio Class D Amplifier General Description The GPM8903 is a Class D amplifiers provide high performance, thermally efficient amplifier solutions. The GPM8903 delivers 1*4.5W into a 2 Ω load. An integrated limiting circuit prevents output clipping distortion, that makes GPM8903 has excellent sound reproduction and protects small speakers from transient volt-ages, reduces power dissipation. The GPM8903 has a 2:1 input MUX for audio source selection. The MUX was selected by an external pin. Both input channels have a 32-step Up/Down volume control. Filter-less modulation allows the IC to pass EMI limits with 1m cables using only a low-cost ferritebead and small-value capacitor on each output.
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