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Numéro de référence | WM8522 | ||
Description | 192kHz 6-Channel DAC | ||
Fabricant | Wolfson Microelectronics | ||
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WM8522
24-bit, 192kHz 6-Channel DAC with 1.7Vrms Line Driver
DESCRIPTION
The WM8522 is a multi-channel audio DAC ideal for DVD
and surround sound processing applications for home hi-fi,
automotive and other audio visual equipment.
Three stereo 24-bit multi-bit sigma delta DACs are used
with oversampling digital interpolation filters. Digital audio
input word lengths from 16-32 bits and sampling rates from
8kHz to 192kHz are supported.
Each DAC channel has independent digital volume and
mute control, and provides 1.7Vrms line drive capability
from a 5V supply. This makes the device ideal for cost-
sensitive consumer applications requiring high line drive
audio outputs
The audio data interface supports I2S, left justified, right
justified and DSP digital audio formats
The device is controlled via a 3 wire serial interface or
directly using the hardware interface. These interfaces
provide access to features including channel selection,
volume controls, mutes, de-emphasis and power
management facilities. The device is available in a 28-lead
SSOP.
BLOCK DIAGRAM
FEATURES
• 6-Channel DAC with 1.7Vrms line driver from 5V analogue
supply
• Audio performance
− SNR 102dB (‘A’ weighted @ 48kHz)
− THD -85dB (48kHz)
• DAC sampling frequency: 8kHz – 192kHz
• 3-Wire SPI serial or hardware control interface
• Programmable audio data interface modes
− I2S, left, right justified or DSP
− 16/20/24/32 bit word lengths
• Three independent stereo DAC outputs with independent
digital volume controls
• Master or slave audio data interface
• 4.5V to 5.5V analogue, 2.7V to 3.6V digital supply
operation
• Pin compatible with WM8766
• 28-lead SSOP package
APPLICATIONS
• DVD Players
• Surround Sound AV Processors and Hi-Fi systems
• Automotive Audio
WOLFSON MICROELECTRONICS plc
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Pre Production, May 2006, 3.1
Copyright 2006 Wolfson Microelectronics plc
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Pages | Pages 39 | ||
Télécharger | [ WM8522 ] |
No | Description détaillée | Fabricant |
WM8521 | STEREO DAC | Wolfson Microelectronics plc |
WM8521 | Stereo DAC | Wolfson Microelectronics |
WM8521H9ED | STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT | Wolfson Microelectronics plc |
WM8521H9GED | STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT | Wolfson Microelectronics plc |
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