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WM8772SEFT/RV Datasheet

  • WM8772SEFT/RV

  • 24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL

  • 70頁

  • WOLFSON

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DESCRIPTION
The WM8772 is a multi-channel audio codec ideal for DVD
and surround sound processing applications for home hi-fi,
automotive and other audio visual equipment.
A stereo 24-bit multi-bit sigma delta ADC is used. Digital
audio output word lengths from 16-32 bits and sampling
rates from 32kHz to 96kHz are supported. The 32-lead
version allows separate ADC and DAC samples rates.
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.
The audio data interface supports I
2
S, left justified, right
justified and DSP digital audio formats.
The device is controlled via a 3 wire serial interface. The
interface provides access to all features including channel
selection, volume controls, mutes, de-emphasis and power
management facilities. The device is available in a 28-pin
SSOP or 32 pin TQFP.
WM8772
24-bit, 192kHz 6-Channel Codec with Volume Control
FEATURES
鈥?/div>
Audio Performance
鈭?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
103dB SNR (鈥楢鈥?weighted @ 48kHz) DAC
鈭?/div>
100dB SNR (鈥楢鈥?weighted @ 48kHz) ADC (TQFP)
DAC Sampling Frequency: 8kHz 鈥?192kHz
ADC Sampling Frequency: 32kHz 鈥?96kHz
ADC and DAC can run at different sample rates (32 pin
TQFP version only)
3-Wire SPI Serial or Hardware Control Interface
Programmable Audio Data Interface Modes
鈭?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
I
2
S, Left, Right Justified or DSP
鈭?/div>
16/20/24/32 bit Word Lengths
Three Independent stereo DAC outputs with independent
digital volume controls
Master or Slave Audio Data Interface
2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply
Operation
28 pin SSOP or 32 pin TQFP Package
APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
DVD Players
Surround Sound AV Processors and Hi-Fi systems
Automotive Audio
BLOCK DIAGRAM - 28 PIN SSOP
REFADC
VREFN
VREFP
AGND
DOUT
MCLK
AVDD
VREFN VREFP
VMID
BCLK
DIN1
DIN2
DIN3
LRC
STEREO
DAC
VREFN
LOW
PASS
FILTER
VOUT1L
VOUT1R
VOUT2L
VOUT2R
VOUT3L
VOUT3R
AINL
AINR
STEREO
ADC
AUDIO
INTERFACE
&
DIGITAL FILTERS
STEREO
DAC
LOW
PASS
FILTER
STEREO
DAC
LOW
PASS
FILTER
CONTROL INTERFACE
W
WM8772EDS
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
MC/IWL
MD/DM
MUTE
ML/I2S
DVDD
DGND
MODE
Production Data, October 2004, Rev 4.1
Copyright
餂?004
Wolfson Microelectronics plc

WM8772SEFT/RV 產(chǎn)品屬性

  • Wolfson Microelectronics

  • 音頻編解碼器

  • 1

  • 3

  • 192 KSPs

  • Serial (2-Wire, I2S, SPI)

  • 24 bit

  • + 85 C

  • SMD/SMT

  • TQFP-32

  • Reel

  • - 25 C

  • 1 ADC, 3 DAC

  • 2200

WM8772SEFT/RV相關(guān)型號PDF文件下載

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