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WM8591 Datasheet(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8591 Datasheet(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 50 page  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 2S, 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 2S, 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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