APA2603B - ANPEC

APA2603B 2.5W Stereo Class-D Audio Power Amplifier

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

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, h.