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Datasheet LM4926TL/NOPB - Texas Instruments Audio Amplifiers

Part Number: LM4926TL/NOPB

Manufacturer: Texas Instruments

Description: Audio Amplifiers

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NRND LM4926 SNAS266B JUNE 2005 REVISED OCTOBER 2011 LM4926 Ground-Referenced, Ultra Low Noise, Fixed Gain, 80mW Stereo Headphone Amplifier
Check for Samples: LM4926 1 FEATURES
Ground referenced outputs High PSRR Available in space-saving micro SMD package Ultra low current shutdown mode Improved pop & click circuitry eliminates noises during turn-on and turn-off transitions No output coupling capacitors, snubber networks, bootstrap capacitors, or gain-setting 2 resistors required Shutdown either channel independently APPLICATIONS Notebook PCs Mobile Phone PDAs Portable electronic devices MP3 Players DESCRIPTION
The LM4926 is a ground referenced, fixed-gain audio power amplifier capable of delivering 80mW of continuous average power into a 16 single-ended load with less than 1% THD+N from a 3V power supply. The LM4926 features a new circuit technology that utilizes a charge pump to generate a negative reference voltage. This allows the outputs to be biased about ground, t


  • Audio Load Resistance: 32 Ohm
  • Available Set Gain: 3.52 dB
  • Input Signal Type: Single
  • Mounting Style: SMD/SMT
  • Operating Supply Voltage: 3 V
  • Operating Temperature Range: - 40 C to + 85 C
  • Output Power: 0.08 W x 2 at 16 Ohm
  • Output Signal Type: Single
  • Output Type: 2-Channel Stereo
  • Package / Case: uSMD
  • Packaging Type: Reel
  • Product: Class-AB
  • Supply Type: Single
  • Supply Voltage Range: 1.6 V to 4.2 V
  • THD plus Noise: 0.04%
  • RoHS: Yes

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