Overview
SD8812 is a high-efficiency, filterless, mono 5.0W Class D audio power amplifier with anti-clipping. Its differential input architecture and very high PSRR improve RF-noise rejection. Anti-clipping resolves inconsistent output amplitudes from different audio sources while maintaining distortion-free audio. Filterless PWM modulation and integrated gain reduce external components, PCB area, and system cost and simplify design. Up to 90% efficiency, fast startup, and a compact package make SD8812 suitable for Bluetooth speakers and other portable audio products. Shutdown extends standby time; thermal protection improves reliability; POP-noise suppression simplifies system debugging.
Applications
- Bluetooth speaker / USB audio system
- Smartwatch / wearable device
- Backpack speaker / powered stereo pair
- Dashcam / handheld computer PDA
- Digital photo frame / portable game console
- PMP/MP3/MP4/smart-home and other audio products
TECHNICAL DOCUMENTS
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