APA2603A Overview
Key Specifications
Package: DIP
Max Operating Temp: 85 °C
Min Operating Temp: -40 °C
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).