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WM1824CGEFL

Description
24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
File Size323KB,24 Pages
ManufacturerWolfson Microelectronics plc (Cirrus Logic)
Websitehttp://www.wolfson.co.uk
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WM1824CGEFL Overview

24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output

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DESCRIPTION
The WM1824 is a stereo DAC with integral charge pump.
This provides 2Vrms line driver outputs using a single 3.3V
power supply rail.
The device features ground-referenced outputs and the use
of a DC servo to eliminate the need for line driving coupling
capacitors and effectively eliminate power on pops and
clicks.
The device is controlled and configured via a hardware
control interface.
The device supports all common audio sampling rates
between 8kHz and 192kHz using all common MCLK fs
rates. The audio interface operates in slave mode.
The WM1824 has a 3.3V tolerant digital interface, allowing
logic up to 3.3V to be connected.
The device is available in a 24-pin QFN.
WM1824
24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
FEATURES
High performance stereo DAC with ground referenced line
driver
Audio Performance
106dB SNR (‘A-weighted’)
-89dB THD @ -1dBFS
120dB mute attenuation
All common sample rates from 8kHz to 192kHz supported
Hardware control mode
2
Data formats: LJ, I S
Maximum 1mV DC offset on Line Outputs
Pop/Click suppressed Power Up/Down Sequencer
AVDD, LINEVDD and DBVDD can operate at +3.3V ±10%
allowing single supply
24-lead QFN package
Operating temperature range: -40°C to 85°C
APPLICATIONS
Consumer digital audio applications requiring 2Vrms output
Games Consoles
Set Top Box
A/V Receivers
DVD Players
Digital TV
BLOCK DIAGRAM
WOLFSON MICROELECTRONICS plc
Production Data, December 2011, Rev 4.1
Copyright
2011
Wolfson Microelectronics plc

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Description 24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output 24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
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