NS4150B Overview
Description
The NS4150B is a Low EMI,filterless,3W mono Class D audio 4150B uses advanced technology to greatly reduce EMI interference in the full bandwidth range, minimizing the impact on other components. NS4150B has overcurrent protection,overheat protection and under voltage protection functions, effectively protect the chip from being damaged in abnormal working spread spectrum technology to fully optimize the new circuit design, up to 90% efficiency is more suitable for portable audio products.
Key Features
- Operating voltage:3.0- 5.0V
- Output power: 2.8W(5V/4Ω,THD=10%)
- 0.1%THD(0.5W/3.6V)
- Efficiency up to 88%
- High PSRR (80dB at 217Hz)
- Filterless Class D structure
- Excellent full bandwidth EMI suppression capability
- Excellent power on and power off noise suppression
- Low quiescent current:4mA (VDD=3.6V, No load)
- Overcurrent protection,overheat protection and under voltage protection
