音频模/数转换器芯片WM8775SEDS全新原装，欢迎咨询洽谈订购！

WM8775SEDS 24位4通道音频ADC

DESCRIPTION
The WM8775 is a high performance, stereo audio ADC
with a 4 channel input mixer. The WM8775 is ideal for
digitising multiple analogue sources 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 a
four stereo channel input selector. Each channel has
programmable gain control. Digital audio output word
lengths from 16-32 bits and sampling rates from 32kHz
to 96kHz are supported.
The audio data interface supports I2S, left justified, right
justified and DSP digital audio formats.
The device is controlled via a 2 or 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 28-lead SSOP package. The
WM8775 is software compatible with the WM8776.
FEATURES
• Audio Performance
− 102dB SNR (‘A’ weighted @ 48kHz)
− -90dB THD
• ADC Sampling Frequency: 32kHz – 96kHz
• Four stereo ADC inputs with analogue gain adjust from
+24dB to –21dB in 0.5dB steps
• Digital gain adjust from -21.5dB to -103dB.
• Programmable Automatic Level Control (ALC) or Limiter on
ADC input
• 3-Wire SPI Compatible or 2-wire Serial Control Interface
• Master or Slave Clocking Mode
• Programmable Audio Data Interface Modes
− I2S, Left, Right Justified or DSP
− 16/20/24/32 bit Word Lengths
• 2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply Operation
APPLICATIONS
• Surround Sound AV Processors and Hi-Fi systems
• Automotive Audio

48 kS/s 音频模/数转换器 IC , 4 Input 音频模/数转换器 IC , 24 bit 2 Input 音频模/数转换器 IC , 8 Input AEC-Q100 音频模/数转换器 IC ,

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