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APA2603B - 2.5W Stereo Class-D Audio Power Amplifier

General Description

The APA2603B is a stereo, high efficiency, filter-free ClassD audio amplifier available in a SOP-16, QFN4x4-20A package.

The APA2603B provide the precise DC volume control, the gain range is from -80dB (V VOLUME =5V) to +20dB (VVOLUME=0V) with 64 steps precise control.

Key Features

  • Operating Voltage: 3.3V-5.5V High Efficiency 85% at PO=2.5W, 4Ω Speaker, VDD=5V Filter-Free Class-D Amplifier Low Shutdown Current - IDD=1µA at VDD=5V 64 Steps Volume Adjustable from -80dB to +20dB by DC Voltage with Hysteresis Output Power at THD+N=1% - 2.5W at VDD=5V, RL=4Ω Less External Components Required Internal AGC Function Input signal and output signal in phase Thermal.

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Datasheet Details

Part number APA2603B
Manufacturer ANPEC
File Size 523.20 KB
Description 2.5W Stereo Class-D Audio Power Amplifier
Datasheet download datasheet APA2603B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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APA2603B 2.5W Stereo Class-D Audio Power Amplifier (with DC Volume Control) Features • • • • • • • • • • • • Operating Voltage: 3.3V-5.5V High Efficiency 85% at PO=2.5W, 4Ω Speaker, VDD=5V Filter-Free Class-D Amplifier Low Shutdown Current - IDD=1µA at VDD=5V 64 Steps Volume Adjustable from -80dB to +20dB by DC Voltage with Hysteresis Output Power at THD+N=1% - 2.5W at VDD=5V, RL=4Ω Less External Components Required Internal AGC Function Input signal and output signal in phase Thermal and Over-Current Protections with Auto-Recovery Lead Free and Green Device Available (RoHS Compliant) Power Enhanced Packages SOP-16 and QFN4x420A General Description The APA2603B is a stereo, high efficiency, filter-free ClassD audio amplifier available in a SOP-16, QFN4x4-20A package.