User's Guide
SNAA048A – March 2010 – Revised May 2013
AN-1680 LM49250 Evaluation Board
1
Introduction
The LM49250 evaluation board is a fully-integrated audio subsystem designed for stereo cell phone
applications. The LM49250 combines 2.5W stereo Class D speaker drivers with stereo ground referenced
headphone drivers, a class AB earpiece driver, TI 3D enhancement, volume control and input mixer into a
single device. The filterless class D amplifiers deliver 1.19W/channel into an 8 Ω load with
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