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WM8782 - Stereo ADC

Description

The WM8782 is a high performance, low cost stereo audio ADC designed for recordable media applications.

The device offers stereo line level inputs along with two control input pins (FORMAT, IWL) to allow operation of the audio interface in three industry standard modes.

Features

  • SNR 100dB (‘A’ weighted @ 48kHz).
  • THD -93dB (at.
  • 1dB).
  • Sampling Frequency: 8.
  • 192kHz.
  • Master or Slave Clocking Mode.
  • System Clock (MCLK): 128fs, 192fs, 256fs, 384fs, 512fs, 768fs - Audio Data Interface Modes.
  • 16-24 bit I2S, 16-24 bit Left, 16-24 bit Right Justified.
  • Supply Voltages - Analogue: 2.7 to 5.5V - Digital core: 2.7V to 3.6V.
  • 20-lead SSOP or 20-lead TSSOP package.
  • Accelerated Lifetime Screened Devices available.

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Datasheet Details

Part number WM8782
Manufacturer Wolfson Microelectronics
File Size 306.26 KB
Description Stereo ADC
Datasheet download datasheet WM8782 Datasheet

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Full PDF Text Transcription

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w 24-Bit, 192kHz Stereo ADC WM8782 DESCRIPTION The WM8782 is a high performance, low cost stereo audio ADC designed for recordable media applications. The device offers stereo line level inputs along with two control input pins (FORMAT, IWL) to allow operation of the audio interface in three industry standard modes. An internal op-amp is integrated on the front end of the chip to accommodate analogue input signals greater than 1Vrms. The device also has a high pass filter to remove residual DC offsets. WM8782 offers Master or Slave mode clocking schemes. A control input pin M/S is used to allow Slave mode operation or Master mode operation. A stereo 24-bit multibit sigma-delta ADC is used with 128x, 64x or 32x oversampling, according to sample rate.
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