Part LM49200
Description Stereo Class AB Audio Subsystem
Manufacturer Texas Instruments
Size 1.37 MB
Texas Instruments
LM49200

Overview

The LM49200 is a fully integrated audio subsystem with a stereo power amplifier capable of delivering 500mW of continuous average power per channel into 8Ω with 1% THD+N using a 3.3V supply. The LM49200 includes a separate stereo headphone amplifier that can deliver 35mW per channel into 32Ω.

  • 2 Differential Mono Input and Stereo SingleEnded Input
  • 32-Step Digital Volume Control (-80 to +18dB)
  • Three Independent Volume Channels (Left, Right, Mono)
  • Separate Headphone Volume Control
  • Flexible Output for Speaker and Headphone Output
  • True Ground Headphone Amplifier Eliminates Large DC Blocking Capacitors Reducing PCB Space and Cost
  • Receiver Pass-Through Capability
  • Soft Enable Function
  • RF Immunity Topology
  • “Click and Pop” Suppression Circuitry