Datasheet Summary
ASAHI KASEI
[AK7841] ..
Monaural Audio Class-D Amp with Power Booster for PiezoSpeaker
GENERAL DESCRIPTION The AK7841 is a Monaural Class-D amplifier for driving Piezo-Electric Speakers. Its built-in power boost DCDC converter generates adequate high voltage for driving Piezo Speaker from a Li-Ion battery. Output filter-less solution eliminates post LC-filters, which are normally required at Class-D outputs, and contributes to total space savings. Class-D operation ensures higher power efficiency. The AK7841 is the most appropriate for Cellular Phones with a piezo speaker. Features
- Class-D Amplifier :
- Piezo-Electric Speaker Driver
- Analog Monaural signal input for...