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
- Enlarge
- Symbols and Footprints
Functional Block Diagram for AD1871
Stereo Audio, 24-bit, 96kHz, Multi-bit Sigma Delta ADC
Functional Block Diagram for AD1871
| 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.
AD1871 Model Options
| Model | Status | Package | Pins | Temp. Range |
Price* (100-499) |
Available | ROHS Compilant | Samples Cart | Purchase Cart |
|---|---|---|---|---|---|---|---|---|---|
| AD1871YRS | Prodn | 28 ld SSOP | 28 | Comm. | $6.19 | 07/04/2008 |
N
Material Declaration |
Contact ADI | Add To Cart |
| AD1871YRS-REEL | Prodn | 28 ld SSOP | 28 | Comm. | - | 07/25/2008 |
N
Material Declaration |
Contact ADI | Add To Cart |
| AD1871YRSZ | Prodn | 28 ld SSOP | 28 | Comm. | $5.63 | 09/12/2008 |
Y
Material Declaration |
Add To Cart | Add To Cart |
| AD1871YRSZ-REEL | Prodn | 28 ld SSOP | 28 | Comm. | - | 09/12/2008 |
Y
Material Declaration |
Contact ADI | Add To Cart |
| EVAL-AD1871EB | Prodn | EVALUATION BOARDS | - | TBD | $167.00 | 08/29/2008 | E | Contact ADI | Add To Cart |
| EVAL-ADAU1871EBZ | Obs | EVALUATION BOARDS | - | TBD | $ | - | Y | Contact ADI | Contact ADI |
Help
- Pre-Release: The model has not been released to general production, but samples may be available.
- Production: The model is currently being produced, and generally available for purchase and sampling.
- Last Time Buy: The model has been scheduled for obsolescence, but may still be purchased for a limited time.
- Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).
For detailed drawings and chemical composition please consult our Package Site
- 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
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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