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參數資料
型號： WM8772EFT
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： 24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
中文描述： 24位192kHz的6聲道編解碼器帶有音量控制
文件頁數： 1/70頁
文件大小： 678K
代理商： WM8772EFT
w
WM8772
24-bit, 192kHz 6-Channel Codec with Volume Control
DESCRIPTION
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
Production Data, October 2004, Rev 4.1
Copyright
2004 Wolfson Microelectronics plc
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.
FEATURES
Audio Performance
103dB SNR (‘A’ weighted @ 48kHz) DAC
100dB SNR (‘A’ weighted @ 48kHz) ADC (TQFP)
DAC Sampling Frequency: 8kHz – 192kHz
ADC Sampling Frequency: 32kHz – 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
I
2
S, 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
2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply
Operation
28 pin SSOP or 32 pin TQFP Package
APPLICATIONS
DVD Players
Surround Sound AV Processors and Hi-Fi systems
Automotive Audio
BLOCK DIAGRAM - 28 PIN SSOP
VOUT1L
VOUT1R
VOUT2L
VOUT2R
VOUT3L
VOUT3R
STEREO
ADC
V
V
V
AUDIO
INTERFACE
&
DIGITAL FILTERS
D
VREFP
STEREO
DAC
STEREO
DAC
AINL
AINR
R
A
A
D
D
CONTROL INTERFACE
M
M
M
WM8772EDS
LOW
PASS
FILTER
LOW
PASS
FILTER
LOW
PASS
FILTER
M
M
STEREO
DAC
VREFN
W
VREFN
B
L
D
D
D
M
相關PDF資料
PDF描述
WM8772SEFT 24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
WM8775EDS 24 BIT 96 KHZ ADC WITH 4 CHANNEL I/P MULTIPLEXER
WM8775 24 BIT 96 KHZ ADC WITH 4 CHANNEL I/P MULTIPLEXER
WM8775SEDS 24 BIT 96 KHZ ADC WITH 4 CHANNEL I/P MULTIPLEXER
WM8776 24 BIT 192KHZ STEREO CODEC WITH 5 CHANNEL I/P MULTIPLEXER
相關代理商/技術參數
參數描述
WM8772EFT/R 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
WM8772SEDS/RV 功能描述:接口—CODEC 6-Channel CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM8772SEDS/V 功能描述:接口—CODEC 6-Ch. Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM8772SEFT 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
WM8772SEFT/RV 功能描述:接口—CODEC 6-Ch. Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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