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 ...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.

Features

  • 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

Diagrams

AD1871 Diagram
Functional Block Diagram for AD1871

Specifications

DNR (dB) 105dB
SNR (dB) 105dB
THD+N @ 1kHz (-dB) 95dB
Product Description Stereo Audio 24-Bit, 96 kHz, Multibit Sigma-Delta ADC

Explore Other Products

Part# DNR (dB) SNR (dB) THD+N @ 1kHz (-dB) Product Description Price* (1000-4999)
AD1974 107 107 97 - $3.96
AD1871 105 105 95 Stereo Audio 24-Bit, 96 kHz, Multibit Sigma-Delta ADC $5.09
AD1877 94 - 90 Single-Supply, 16-Bit (Sigma-Delta) Stereo ADC $7.50
AD1870 92 - 90 Single-Supply, 16-Bit (Sigma-Delta) Stereo ADC -

* 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.

Pricing, Packaging & Availability

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For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

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This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
Price
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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RoHS Compliant
Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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