HT82V7534
HT82V7534 is 3W Stereo Filter-free Class-D Audio Power Amplifier manufactured by Holtek Semiconductor.
Features
- 1.8V to 6V Single Supply
- Output Power:
- - 3W/channel at 5V and 4Ω speaker
- - 4.45W/channel at 6V and, 4Ω speaker
- Up to 90% power efficiency
- Automatic output power control
- APC
- 2.8m A quiescent current at 5V
- Less than 0.2µA shutdown current
- Pop noise elimination during power on/off
- Mute and Shutdown function
- Output pin short circuit protection with auto recovery
- Over-temperature and over-current protection with auto recovery
- Integrated hard limiter function
- Limiter time and gain control on the fly
- Differential 250k Hz PWM allows Bridge-Tied-
Load to increase output power and eliminate LC output filter
- Differential signal processing for improved CMRR
- 20-pin TSSOP-EP package
Applications
- Portable audio products
- Battery powered audio products
- MP3 players
- Bluetooth speakers
- Notebook/Tablet PCs
-...
