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Signal Processing Systems : Converters : Analog Devices, Inc. - AD1871
Analog Devices, Inc. - AD1871
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Stereo Audio, 24-bit, 96kHz, Multi-bit Sigma Delta ADC

Model: AD1871

  • 5.0 V Stereo Audio ADC with 3.3 V Tolerant Digial Interface
  • Supports 96 kHz Sample Rates
  • upports 16-/20-/24-bit Word Lengths
  • Multibit Sigma-Delta Modulators with Perfect Differential Linearity
  • Restoration for Reduced Idle Tones and Noise Floor
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The AD1871 is a stereo audio ADC intended for digital audio applications requiring high performance analog-to-digital conversion. It features two 24-bit conversion channels each with programmable gain amplifier (PGA), multi-bit sigma-delta modulator and decimation filters. Each channel provides 97 dB of THD+N and 107 db of Dynamic Range making the AD1871 suitable for applications such as Digital Audio Recorders and Mixing Consoles.
  • 5.0 V Stereo Audio ADC with 3.3 V Tolerant Digial Interface
  • Supports 96 kHz Sample Rates
  • upports 16-/20-/24-bit Word Lengths
  • Multibit Sigma-Delta Modulators with Perfect Differential Linearity
  • Restoration for Reduced Idle Tones and Noise Floor
  • 105 dB (Typ) Dynamic Range
  • Supports 256/512 and 768 x fS Master Clocks
  • Device Control via SPI Compatible Serial Port or Optional Control Pins
  • Flexible Serial Data Port allows Right-Justified, Left-Justified, I2S Compatible and DSP Serial Port Modes Cascadable (up to Four Devices) from a Single DSP SPORT
  • On-Chip Reference
  • 28-Lead SSOP Package
 
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