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參數資料
| 型號： | WM8782 |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | ADC |
| 英文描述： | 24-Bit, 192kHz Stereo ADC |
| 中文描述： | 24位192kHz立體聲ADC |
| 文件頁數： | 1/19頁 |
| 文件大小： | 216K |
| 代理商： | WM8782 |
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WM8782
24-Bit, 192kHz Stereo ADC
WOLFSON MICROELECTRONICS plc
www.wolfsonmicro.com
Product Preview, May 2004, Rev 1.0
Copyright
2004 Wolfson Microelectronics plc
DESCRIPTION
The WM8782 is a high performance, low cost stereo audio
ADC designed for recordable media applications.
The device offers stereo line level inputs along with two
control input pins (FORMAT, IWL) to allow operation of the
audio interface in three industry standard modes. An
internal op-amp is integrated on the front end of the chip to
accommodate analogue input signals greater than 1V
rms
.
The device also has a high pass filter to remove residual
DC offsets.
WM8782 offers Master or Slave mode clocking schemes.
A control input pin M/S is used to allow Slave mode
operation or Master mode operation. A stereo 24-bit multi-
bit sigma-delta ADC is used with 128x, 64x or 32x over-
sampling, according to sample rate. Digital audio output
word lengths from 16-24 bits and sampling rates from
8kHz to 192kHz are supported.
The device is a hardware controlled device and is supplied
in a 20-SSOP package.
FEATURES
SNR 102dB (‘A’ weighted @ 48kHz)
THD -90dB (at –1dB)
Sampling Frequency: 8 – 192kHz
Master or Slave Clocking Mode
System Clock (MCLK): 128fs, 192fs, 256fs, 384fs, 512fs,
768fs
Audio Data Interface Modes
-
16-24 bit I
S, 16-24 bit Left, 16-24 bit Right Justified
Supply Voltages
-
Analogue 2.7 to 5.5V
-
Digital core: 2.7V to 3.6V
20-pin SSOP package
APPLICATIONS
Recordable DVD Players
Personal Video Recorders
STB
Studio Audio Processing Equipment
BLOCK DIAGRAM
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相關代理商/技術參數 |
參數描述 |
|---|---|
| WM8782_06 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-Bit, 192kHz Stereo ADC |
| WM8782_10 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-Bit, 192kHz Stereo ADC |
| WM8782-6125-SSOP20-EV1 | 制造商:Wolfson Microelectronics 功能描述:Evaluation Board for WM8782 Stereo ADC |
| WM8782ASEDS/RV | 功能描述:音頻模/數轉換器 IC STEREO ADC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| WM8782ASEDS/V | 功能描述:音頻模/數轉換器 IC STEREO ADC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
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