• Part: LM4929
  • Description: Stereo 40mW Low Noise Headphone Amplifier
  • Manufacturer: Texas Instruments
  • Size: 1.42 MB
Download LM4929 Datasheet PDF
Texas Instruments
LM4929
FEATURES - 23 OCL outputs - No DC Blocking Capacitors - External Gain-Setting Capability - Available in Space-Saving VSSOP Package - Ultra Low Current Shutdown Mode - 2V - 5.5V Operation - Ultra Low Noise APPLICATIONS - Portable CD players - PDAs - Portable Electronics Devices KEY SPECIFICATIONS - PSRR at 217Hz and 1k Hz - Output Power at 1k Hz with VDD = 2.4V, 1% THD+N into a 16Ω load, 65d B (Typ) - Output Power at 1k Hz with VDD = 3V, 1% THD+N into a 16Ω load, 25 m W (Typ) - Shutdown current, 40 m W (Typ), 2.0µA (Max) - Output Voltage change on release from Shutdown VDD = 2.4V, RL = 16Ω, 1m V (Max) DESCRIPTION The LM4929 is an stereo audio power amplifier capable of delivering 40m W per channel of continuous average power into a 16Ω load or 25m W per channel into a 32Ω load at 1% THD+N from a 3V power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external ponents. Since the LM4929 does not require bootstrap...