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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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WM8569 데이터시트(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8569 데이터시트(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 36 page  w WM8569 24-bit, 192kHz Stereo CODEC with Volume Control WOLFSON MICROELECTRONICS plc To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/ Product Preview, December 2005, Rev 1.1 Copyright 2005 Wolfson Microelectronics plc DESCRIPTION The WM8569 is a stereo audio codec ideal for DVD, PVR, LCD-TV and automotive applications. Independent ADC and DAC clocking permits separate record and playback sampling rates. A stereo 24-bit multi-bit sigma delta DAC with oversampling and digital interpolation filters provides the output signal. Digital audio input word lengths from 16-24 bits and sampling rates from 8kHz to 192kHz are supported. A stereo 24-bit multi-bit sigma delta ADC is used. Digital audio output word lengths from 16-24 bits and sampling rates from 32kHz to 96kHz are supported. The DAC and ADC support independent sampling rates. The audio data interface supports I 2S, left justified, right justified and DSP digital audio formats. The device is controlled via a 3-wire serial interface. The interface provides access to all features including volume controls, mutes, de-emphasis and power management facilities. A hardware control interface allows access to a limited feature set. The WM8569 is available in a 28-lead SSOP. FEATURES • Audio Performance − 103dB SNR (‘A’ weighted @ 48kHz) DAC − DAC Sampling Frequency: 8kHz – 192kHz − 100dB SNR (‘A’ weighted @ 48kHz) ADC − ADC Sampling Frequency: 32kHz – 96kHz • Independent Sampling Rates for ADC and DAC • 3-wire SPI Serial or Hardware Control Interface • Audio Mute and De-Emphasis Functions • Programmable Audio Data Interface Modes − 16/20/24/32 bit Word Lengths − I 2S, Left, Right Justified or DSP • 2.7V to 5.5V Analogue Supply • 2.7V to 3.6V Digital Supply • 28-lead SSOP Package APPLICATIONS • DVD Recorder • Personal Video Recorder • PC Sound Card • Automotive Audio • LCD-TV BLOCK DIAGRAM |
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