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參數(shù)資料
| 型號(hào)： | WM8775SEDS |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 24 BIT 96 KHZ ADC WITH 4 CHANNEL I/P MULTIPLEXER |
| 中文描述： | 24位96 kHz的ADC，具有4通道I /頁(yè)復(fù)用器 |
| 文件頁(yè)數(shù)： | 1/36頁(yè) |
| 文件大?。?/td> | 348K |
| 代理商： | WM8775SEDS |
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WM8775
24-bit, 96kHz ADC with 4 Channel I/P Multiplexer
DESCRIPTION
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
Product Preview, June 2004, Rev 1.8
Copyright
2004 Wolfson Microelectronics plc
The WM8775 is a high performance, stereo audio ADC
with a 4 channel input mixer. The WM8775 is ideal for
digitising multiple analogue sources for 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 with a
four stereo channel input selector. Each channel has
programmable gain control. Digital audio output word
lengths from 16-32 bits and sampling rates from 32kHz
to 96kHz are supported.
The audio data interface supports I
2
S, left justified, right
justified and DSP digital audio formats.
The device is controlled via a 2 or 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 package. The
WM8775 is software compatible with the WM8776.
FEATURES
Audio Performance
102dB SNR (‘A’ weighted @ 48kHz)
-90dB THD
ADC Sampling Frequency: 32kHz – 96kHz
Four stereo ADC inputs with analogue gain adjust from
+24dB to –21dB in 0.5dB steps
Digital gain adjust from -21.5dB to -103dB.
Programmable Automatic Level Control (ALC) or Limiter on
ADC input
3-Wire SPI Compatible or 2-wire Serial Control Interface
Master or Slave Clocking Mode
Programmable Audio Data Interface Modes
I
2
S, Left, Right Justified or DSP
16/20/24/32 bit Word Lengths
2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply Operation
5V tolerant digital inputs
APPLICATIONS
Surround Sound AV Processors and Hi-Fi systems
Automotive Audio
BLOCK DIAGRAM
A
A
V
AUDIO INTERFACE
AND
DIGITAL FILTERS
A
D
D
CONTROL INTERFACE
D
C
C
W
WM8775
ADCLRC
BCLK
DOUT
MCLK
A
STEREO
ADC
ALC
AIN2R
AIN3L
AIN4L
AIN4R
AINOPR
AINVGL
AINOPL
AINVGR
AIN2L
AIN1R
AIN1L
I
VMID
M
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WM8776 | 24 BIT 192KHZ STEREO CODEC WITH 5 CHANNEL I/P MULTIPLEXER |
| WM8776EFT | 24 BIT 192KHZ STEREO CODEC WITH 5 CHANNEL I/P MULTIPLEXER |
| WM8776SEFT | 24 BIT 192KHZ STEREO CODEC WITH 5 CHANNEL I/P MULTIPLEXER |
| WM8777SEFT | 24 BIT 192KHZ AV RECEIVER ON A CHIP |
| WM8777 | 24 BIT 192KHZ AV RECEIVER ON A CHIP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM8775SEDS/R | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC STR ADC w/4-CH MUX 28-pin RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| WM8775SEDS/RV | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC STR ADC w/4-CH MUX 28-pin RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| WM8775SEDS/V | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Stereo ADC with 4-Channel Mux RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| WM8776 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo CODEC with 5 Channel I/P Multiplexer |
| WM8776_05 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo CODEC with 5 Channel I/P Multiplexer |
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