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AD1871:  Stereo Audio, 24-bit, 96kHz, Multi-bit Sigma Delta ADC

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 ...More

AD1871:  Stereo Audio, 24-bit, 96kHz, Multi-bit Sigma Delta ADC

Product Description

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.

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  • 5.0 V Stereo Audio ADC with 3.3 V Tolerant Digial Interface
  • Supports 96 kHz Sample Rates
  • Supports 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
  • DNR (dB): 105dB
  • SNR (dB): 105dB
  • THD+N @ 1kHz (-dB): 95dB
  • Product Description: Stereo Audio 24-Bit, 96 kHz, Multibit Sigma-Delta ADC

Functional Block Diagram for AD1871

类似产品

arrow View Full Interactive Product Selection Table
Part# DNR (dB) SNR (dB) THD+N @ 1kHz (-dB) Product Description Price* (1000-4999)
AD1974 107 107 97 - $4.01
AD1871 105 105 95 Stereo Audio 24-Bit, 96 kHz, Multibit Sigma-Delta ADC $5.15
AD1877 94 - 90 Single-Supply, 16-Bit (Sigma-Delta) Stereo ADC $7.59
AD1870 92 - 90 Single-Supply, 16-Bit (Sigma-Delta) Stereo ADC -
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* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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