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WM8918 - Ultra Low Power DAC

Description

The WM8918 is a high performance ultra-low power stereo DAC optimised for portable audio applications.

Features

  • stereo ground-referenced headphone amplifiers using the Wolfson ‘Class-W’ amplifier techniques incorporating an innovative dual-mode charge pump architecture - to optimise efficiency and power consumption during playback. The ground-referenced headphone and line outputs eliminate AC coupling capacitors, and both outputs include common mode feedback paths to reject ground noise. Control sequences for audio path setup can be pre-loaded and executed by an integrated control write sequencer to reduc.

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Datasheet Details

Part number WM8918
Manufacturer Wolfson Microelectronics
File Size 1.61 MB
Description Ultra Low Power DAC
Datasheet download datasheet WM8918 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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w WM8918 Ultra Low Power DAC for Portable Audio Applications DESCRIPTION The WM8918 is a high performance ultra-low power stereo DAC optimised for portable audio applications. The device features stereo ground-referenced headphone amplifiers using the Wolfson ‘Class-W’ amplifier techniques incorporating an innovative dual-mode charge pump architecture - to optimise efficiency and power consumption during playback. The ground-referenced headphone and line outputs eliminate AC coupling capacitors, and both outputs include common mode feedback paths to reject ground noise. Control sequences for audio path setup can be pre-loaded and executed by an integrated control write sequencer to reduce software driver development and minimise pops and clicks via Wolfson’s SilentSwitch™ technology.
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