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APA2603A Datasheet 2.8W Stereo Class-D Audio Power Amplifier and Class AB Headphone Driver

Manufacturer: ANPEC

Datasheet Details

Part number APA2603A
Manufacturer ANPEC
File Size 509.10 KB
Description 2.8W Stereo Class-D Audio Power Amplifier and Class AB Headphone Driver
Download APA2603A Download (PDF)

General Description

• Operating Voltage: 3.3V-5.5V • High Efficiency 85% at P =2.8W, O 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 • AGC (Non-Clip) Function - Disable : 0.45VDD~VDD, Floating - Max, Power : GND • UVP Function - Disable : Floating • Output Power at THD+N=1% BTL Mode - 2.25W at V =5V, DD RL=4Ω - 1.3W at V =5V, DD RL=8Ω SE Mode - 68mW at V =5V, DD RL=32Ω Output Power at THD+N=10% - 2.8W at VDD=5V, RL=4Ω - 1.6W at VDD=5V, RL=8Ω • Less External Components Required • Two Output Modes Allowable with BTL and SE Modes Selected by SE/BTL Pin • Input Signal and Headphone Output Signal in Phase • Thermal and Over-Current Protections with Auto-Recovery • Power Enhanced Packages SOP-24(300mil), Dip- 24(300mil) • Lead Free and Green Devices Available (RoHS Compliant) Applications The APA2603A is a stereo, high efficiency, filter-free ClassD audio amplifier available in a SOP-24 package.

The APA2603A provide the precise DC volume control, the gain range is from +20dB (V = VOLUME 0V) to -80dB (VVOLUME=5V) with 64 steps precise control.

It’s easy to get the suitable amplifier’s gain with the 64 steps gain setting.

Overview

APA2603A 2.8W Stereo Class-D Audio Power Amplifier and Class AB Headphone Driver (DC Volume Control, UVP, AGC.

Key Features

  • General.