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NS4150B Datasheet 3w Mono Class D Audio Amplifier

Manufacturer: Nsiway

Overview: 深圳市纳芯威科技有限公司 SHENZHENNSIWAYTECHNOLOGY CO.,LTD NS4150B 3W Mono Class D Audio Amplifier NS4150B Jun.2022 V1.

Datasheet Details

Part number NS4150B
Manufacturer Nsiway
File Size 3.15 MB
Description 3W Mono Class D Audio Amplifier
Datasheet NS4150B-Nsiway.pdf

General Description

The NS4150B is a Low EMI,filterless,3W mono Class D audio amplifier.NS4150B uses advanced technology to greatly reduce EMI interference in the full bandwidth range, minimizing the impact on other ponents.

NS4150B has overcurrent protection,overheat protection and under voltage protection functions, effectively protect the chip from being damaged in abnormal working conditions.Using spread spectrum technology to fully optimize the new circuit design, up to 90% efficiency is more suitable for portable audio products .

The NS4150B's filterless PWM modulation structure and gain built-in mode reduce external ponents, PCB area and system cost.

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.
  • MSOP8 packages are available. 2.

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NS4150B Distributor