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WM8533 Datasheet(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8533 Datasheet(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 41 page  w WM8533 24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output WOLFSON MICROELECTRONICS plc Production Data, July 2012, Rev 4.0 To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews Copyright 2012 Wolfson Microelectronics plc DESCRIPTION The WM8533 is a stereo DAC with integral charge pump and software control interface. This provides 2Vrms line driver outputs using a 3.3V power supply rail. The device features ground-referenced outputs and the use of a DC servo to eliminate the need for line driving coupling capacitors and effectively eliminate power on pops and clicks. The device is controlled and configured either via the I2C/SPI compliant serial control interface or a hardware control interface. The device supports all common audio sampling rates between 8kHz and 192kHz using all common MCLK / fs ratios. Master and slave modes are available and de- emphasis is also supported. The WM8533 has a 1.8 to 3.3V tolerant digital interface, allowing logic up to 3.3V to be connected. The device is available in a 1.842 x 1.772mm 20-ball WCSP. FEATURES High performance stereo DAC with ground referenced line driver Audio performance 106dB SNR (‘A-weighted’) -89dB THD @ -1dBFS Digital volume control ranging from -100dB to +12dB 120dB mute attenuation All common sample rates from 8kHz to 192kHz supported I 2C/SPI compatible and hardware control modes Data formats: LJ, RJ, I 2S, DSP De-emphasis supported Maximum 1mV DC offset on line outputs Pop/click suppressed power up/down sequencer AVDD and LINEVDD +3.3V ±10% allowing single supply DBVDD supply supports +1.8V or +3.3V digital I/O 1.842 x 1.772mm 20-ball WCSP APPLICATIONS Consumer digital audio applications requiring 2Vrms output Set Top Box Digital TV DVD Players Games Consoles A/V Receivers BLOCK DIAGRAM LRCLK DACDAT LINEOUTL LINEOUTR DIGITAL AUDIO INTERFACE DIGITAL FILTERS CONTROL INTERFACE LEFT DAC RIGHT DAC WM8533 BCLK MCLK CHARGE PUMP W LINEREF |
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