General Description

The APA2020A is a stereo bridge-tied audio power amplifier in various 24-pin power packages , including SOP , TSSOP-P. When connecting to a 5V voltage supply , the APA2020A is capable of delivering 1.8W/1.2W of continuous RMS power per channel into 4Ω/8Ω loads with less than 1 THD+N ,respectively. The APA2020A simplifies design and frees up board space for other features .

Features

•Low Supply Current , IDD= 8mA at Stereo BTL

•Low Shutdown Current , IDD= 0.5µA

•Depop Circuitry Integrated

•Low Supply Voltage

•Thermal Shutdown Circuitry Integrated

•Output Power at 1 THD+N , VDD=5V

- 1.8 W/Ch (typ) into a 4 ΩLoad

- 1.2 W/Ch (typ) into a 8 ΩLoad

•Bridge-Tied Load (BTL) or Single-Ended (SE) Modes Operation

•Various 24-Pin Power Packages Available SOP , TSSOP-P

•High Supply Voltage Ripple Rejection

Applications

•Stereo Audio Power Amplifier for Notebook Computer