參數(shù)資料
型號(hào)： WM8591GEDV
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： 24 BIT, 192 KHZ STEREO CODEC
中文描述： 24位192千赫立體聲CODEC
文件頁(yè)數(shù)： 1/50頁(yè)
文件大?。?/td> 495K
代理商： WM8591GEDV
w
WM8591
24-bit, 192kHz Stereo CODEC
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
Product Preview, May 2005, Rev 1.0
Copyright
2005 Wolfson Microelectronics plc
DESCRIPTION
The WM8591 is a high performance, stereo audio CODEC with
single-ended inputs and differential outputs. It is ideal for
surround sound processing applications for home hi-fi, DVD-
RW and other audio visual equipment.
The stereo 24-bit multi-bit sigma delta ADC has programmable
gain with limiting control. Digital audio output word lengths from
16-32 bits and sampling rates from 32kHz to 96kHz are
supported.
A stereo multi-bit sigma delta DAC is used with digital audio
input word lengths from 16-32 bits and sampling rates from
32kHz to 192kHz.
The WM8591 supports fully independent sample rates for the
ADC and DAC. The audio data interface supports I
S, left
justified, right justified and DSP formats.
The device is controlled in software via a 2-wire serial interface
which provides access to all features including volume controls,
mutes, and de-emphasis facilities. The device is available in a
28-pin SSOP package.
FEATURES
Audio Performance
110dB SNR (‘A’ weighted @ 48kHz) DAC
102dB SNR (‘A’ weighted @ 48kHz) ADC
DAC Sampling Frequency: 32kHz – 192kHz
ADC Sampling Frequency: 32kHz – 96kHz
Stereo ADC input analogue gain adjust from +24dB to –21dB in
0.5dB steps
ADC digital gain from -21.5dB to -103dB in 0.5dB steps
Programmable Limiter on ADC input.
Stereo DAC with differential analogue line outputs.
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
4.5V to 5.5V Analogue, 2.7V to 3.6V Digital supply Operation
28-pin SSOP Package
APPLICATIONS
BLOCK DIAGRAM
Surround Sound AV Processors and Hi-Fi systems
DVD-RW
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