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Home » NEWEST Products » New by Category » Semiconductors » Audio ICs » LM48901 Boomer® Audio Power Amplifier - TI
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National Products from Texas Instruments LM48901 Boomer® Audio Power Amplifier

TI LM48901 Boomer® Audio Power Amplifier

Texas Instruments LM48901 Boomer® Audio Power Amplifier uses a proprietary spatial sound processor to create an enhanced sound stage for portable multimedia devices. The Class D output stages feature edge rate control (ERC) PWM architecture that significantly reduces RF emissions while preserving audio quality and efficiency. TI LM48901 Boomer Audio Power Amplifier features a flexible I²S interface that is compatible with standard serial audio interfaces. A stereo differential-input ADC gives the device the ability to process analog stereo audio signals. TI LM48901 is configured through an I²C compatible interface and is capable of delivering 2.8W/channel of continuous output power into an 4Ω load with less than 10% THD+N. A 2.1 mode pairs two output drivers in parallel, increasing current drive for 4Ω loads. LM48901 audio power amplifier is designed for use in laptops, tablets, desktop computers, soundbars, MP3 players, docking stations, and multimedia devices.

Features
  • Spatial Sound Processing
  • I²S Compatible Input
  • Differential-Input Stereo ADC
  • Edge Rate Control Reduces EMI while
  • Preserving Audio Quality and Efficiency
  • Paralleled Output Mode
  • Short Circuit and Thermal Overload Protection
  • Minimum external components
  • Click and Pop suppression
  • Micro-power shutdown

Key Specifications
  • SNR (A-Weighted): 87dBA (typ)
  • Output Power/channel, PVDD = 5V
  • RL = 8Ω, THD+N: 1.7W (typ)
  • RL = 4Ω, THD+N: 2.8W (typ)
  • THD+N: 0.06% (typ)
  • Efficiency/Channel: 89% (typ)
  • PSRR at 217Hz: 71dB (typ)
  • Shutdown current: 1µA (typ)
Applications
  • Laptops
  • Tablets
  • Desktop Computers
  • Sound Bars
  • Multimedia Devices
  • MP3 Player Accessories
  • Docking Stations

Typical Application

Typical Application
TI Videos
  • Texas Instruments
  • Audio
  • Semiconductors|Integrated Circuits|IC-Amplifier|IC-Audio