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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
Figure. Audio Subsystem (WM9093)
WM9093 audio interface
The WM909 is a fully integrated audio subsystem designed for portable handheld applications such as cellular
phones. The WM909 combines 650mW at .6V mono E2S class D amplifier, 40mW class AB earpiece amplifier,
4mW/channel stereo ground reference headphone amplifiers, volume control, and mixing circuitry into a single
device. The WM909 features a fully differential mono input, and two single-ended stereo inputs.
Содержание E900
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