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WM8770SIFT

器件名称: WM8770SIFT
功能描述: 24-bit, 192kHz 8-Channel Codec with Volume Control
文件大小: 564.45KB    共52页
生产厂商: WOLFSON
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简  介:w DESCRIPTION The WM8770 is a high performance, multi-channel audio codec. The WM8770 is ideal for surround sound processing applications for home hi-fi, automotive and other audio visual equipment. A stereo 24-bit multi-bit sigma delta ADC is used with an eight stereo channel input selector. Each channel has analogue domain mute and programmable gain control. Digital audio output word lengths from 16-32 bits and sampling rates from 8kHz to 96kHz are supported. Four stereo 24-bit multi-bit sigma delta DACs are used with oversampling digital interpolation filters. Digital audio input word lengths from 16-32 bits and sampling rates from 8kHz to 192kHz are supported. Each DAC channel has independent analogue volume and mute control, with a set of input multiplexors allowing selection of an external 3 channel stereo analogue input into these volume controls. The audio data interface supports I2S, 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 channel selection, volume controls, mutes, de-emphasis and power management facilities. The device is available in a 64-lead TQFP package. WM8770 24-bit, 192kHz 8-Channel Codec with Volume Control FEATURES Audio Performance 106dB SNR (‘A’ weighted @ 48kHz) DAC 102dB SNR (‘A’ weighted @ 48kHz) ADC DAC Sampling Frequency: 8KHz – 192kHz ADC Sampling Frequency: 8KHz – 96kHz 3-Wire SPI or CCB MPU Serial Control Inte……
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WM8770SIFT 24-bit, 192kHz 8-Channel Codec with Volume Control WOLFSON
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