VA2223
Description
Features
Preliminary
The VA2223 is a cost-effective filter-less
- Operation Voltage from 4.5V to 26V
Class D stereo audio power amplifier that operates
- Maximum 90% Efficiency with an 8Ω Speaker in wide range of various power supplies. VA2223
- 2x30W@8Ω, THD+N <2% at 24V provide gain control with simple voltage dividers.
- 2x30W@4Ω, THD+N =1% at 18V
VA2223 can output 30W per channel into 4Ω or 8Ω
- 1x50W@4Ω, THD+N=10% at 18V (PBTL) load with lower supply current and fewer external
- 1x60W@3Ω, THD+N<1% at 21V (PBTL) ponents for driving bridged-tied stereo speak-
- Multiple Switching Frequencies for AM Avoid- er directly. Five different PWM frequency adjust- ance ment makes VA2223 is suitable for any consumer
- Optional Clock Master/Slave Synchronization electronics especially for high power output speak-
- 4 Segments Configurable PWM Frequency: ers. With the function of power limit, the speakers
400k Hz/500k Hz/600k Hz/1MHz could be operated safely and the...
