LCSC Electronics logoLCSC Electronics svg logo
Sign In
USD
Shenzhen Nsiway Tech NS4158 product image
  • NS4158 thumbnail 1
  • NS4158 thumbnail 2
  • NS4158 thumbnail 3
  • Pinout
  • Footprint
Images for reference only

Shenzhen Nsiway Tech NS4158RoHS

Manufacturer
MPN
NS4158
LCSC Part #
C2890042
Packaging
SOIC-8
Customer #
Key Attributes
Anti-distortion, ultra-low EMI, filter-free, mono digital audio power amplifier
Datasheetpdf iconShenzhen Nsiway Tech NS4158
In-Stock: 10,425
10,425 In stock, ships now
Minimum: 5Multiple: 5Sales Unit: Piece
Add to BOM List
QtyUnit PriceTotal Amount
5+$ 0.2492$ 1.25
50+$ 0.2014$ 10.07
150+$ 0.1809$ 27.14
500+$ 0.1553$ 77.65
3,000+$ 0.1213$ 363.90
6,000+$ 0.1144$ 686.40
Standard Packaging3000/Full Reel
Better price for more quantity?
$

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Audio Amplifiers
ManufacturerShenzhen Nsiway Tech
PackagingSOIC-8
Quiescent Current4mA
Voltage - Supply3V~5.25V
FeaturesFilterless architecture;Built-in audio processing;Enable/shutdown function;ESD protection;Automatic mute/no-noise switch
Total Harmonic Distortion + Noise (THD+N)0.5%
Operating Temperature-40℃~+85℃
Number of Inputs1 Single-Ended Input
Signal-to-Noise Ratio75dB
Speaker Channels1-Channel
Efficiency90%
Output Power5Wx1@2Ω
ClassClass D
Power Supply Rejection Ratio (PSRR)-80dB

Introduction

AI Translation

NS4158 is a mono digital audio power amplifier featuring anti-clipping functionality, ultra-low EMI, filterless operation, and 5W high efficiency. The unique anti-clipping function dynamically adjusts the system gain by detecting distortion in the output signal, effectively preventing overload output from damaging the speaker while delivering a comfortable listening experience. In practical applications, the amplifier can be configured to operate in anti-clipping mode or normal mode via either software or hardware control. Software control is implemented through one-wire pulse control, while hardware control is implemented through logic level control, offering great application flexibility. NS4158 employs advanced technology to significantly reduce EMI interference across the full bandwidth, minimizing impact on other components. Its filterless PWM modulation architecture and built-in feedback resistors reduce external component count, PCB area, and system cost. At a supply voltage of 5V, the NS4158 can deliver 5W of output power into a 2Ω load.

The NS4158 integrates overcurrent protection, overtemperature protection, and undervoltage protection, effectively safeguarding the device against damage under abnormal operating conditions. Leveraging spread-spectrum technology to fully optimize the new circuit design, efficiency of up to 90% or higher makes it well suited for audio systems requiring low-voltage, high-power output.

The NS4158 is available in an SOP8 package with a rated operating temperature range of -40°C to 85°C.

Features

AI Translation
  • Anti-clipping function, software or hardware configurable operating mode
  • Output power: 3.0W (4Ω load), 3.8W (3Ω load), 5.0W (2Ω load)
  • Operating voltage range: 3V~5.25V
  • 0.5% THD (1W output power, 5V supply, 4Ω load)
  • Excellent full-bandwidth EMI suppression
  • Excellent pop-and-click noise suppression
  • Up to 90% efficiency
  • High PSRR: -80dB (217Hz)
  • Overcurrent protection, overtemperature protection, undervoltage protection
  • SOP8 package

Applications

AI Translation
  • USB 2.1 Speaker System
  • Card-slot 2.1 Speaker System, Portable 2.1 Speaker System
  • Paired Speakers, Standard Card-slot Speaker System