HT81697
Overview
HT81697, integrated with a boost converter, is a mono Class D/Class AB audio amplifier that drives up to continuous 28W (10% THD+N, 1kHz) into 4ohm speaker from two Li-batteries in series boosted to 15.5V. HT81697 integrates a boost converter that generates a power supply for the power amplifier, so that a higher power can be achieved.
- Anti-Clipping Function (ACF)
- Spread spectrum technology
- Output Power 28W (VBAT=7.2V, RL=4Ω, THD+N=10%, PVDD = 15.5V, fIN = 1kHz) 22W (VBAT=7.2V, RL=4Ω, THD+N=1%, PVDD = 15.5V, fIN = 1kHz) 16.5W (VBAT=3.7V, RL=4Ω, THD+N=10%, PVDD = 12V, fIN = 1kHz) 12.8W (VBAT=3.7V, RL=4Ω, THD+N=1%, PVDD = 12V, fIN = 1kHz)
- Power Supply VBAT: 3.0V~12V
- Integrates High Efficiency Boost Converter -Adjustable voltage by external resistor -Adjustable switch peak current limit to avoid over-pulling on battery current
- Both Class D and Class AB are available
- Over Current Protection, Thermal Protection, over voltage protection function included
- Pb-Free Packages, ESOP16
