VA2101
Description
Features
The VA2101 is a cost-effective filter-less Class D
- Operation Voltage from 2.8V to 5.5V mono audio power amplifier that operates in wide
- Efficiency with an 8Ω speaker: range of various power supplies. Only three external
- 88%@1.3W ponents space saving offers best performance
- Efficiency with an 3Ω speaker: and minimal occupied area for mobile application
- 71%@3W such as Pad/Netbook/GPS applications.
- 1.3W@8Ω Load with THD+N <1%
VA2101 is capable of 3.1W high performance
- 2.3W@4Ω Load with THD+N <1% output power at 3Ω load in 5V supply. Other fea-
- 3.1W@3Ω Load with THD+N <10% tures like 88% efficiency, -70d B PSRR, fully differ-
- Shutdown current less than 1µA ential design reduces RF interference and allows
- Quiescent current less than 6m A independent gain settings while summing signals
- PSRR, -70d B, No Need For Voltage Regulator from various audio sources.
- 32ms delay to eliminate input noise
VA2101 also integrates 32ms Anti-Pop, Short
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