Part LM4980
Description High Fidelity Stereo Headphone Audio Amplifier
Manufacturer National Semiconductor
Size 1.31 MB
National Semiconductor
LM4980

Overview

The LM4980 is a stereo headphone audio amplifier, which when connected to a 3.0V supply, delivers 42mW to a 16Ω load with less than 1% THD+N. With the LM4980 packaged in the SD package, the customer benefits include low profile and small size.

  • 5V < VDD < 3.3V 90dB (typ) 100dB (typ) Features
  • 2-cell 1.5V to 3.3V battery operation
  • Unity-gain stable n “Click and pop” suppression circuitry for shutdown and power on/off transient with headphone loads
  • Active low micro-power shutdown
  • Thermal shutdown protection circuitry