AD7617

16-Channel DAS with 14-Bit, Bipolar Input, Dual Simultaneous Sampling ADC

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Product Details

The AD7617 is a 14-bit, DAS that supports dual simultaneous sampling of 16 channels. The AD7617 operates from a single +5 V supply and can accommodate ±10 V, ±5 V, and ±2.5 V true bipolar input signals while sampling at throughput rates up to 1 MSPS per channel pair with 85 dB signal-to-noise ratio (SNR). Higher SNR performance can be achieved with the on-chip oversampling mode (85.3 dB for an oversampling ratio (OSR) of 2).

The input clamp protection circuitry can tolerate voltages up to ±21 V. The AD7617 has 1 MΩ analog input impedance, regardless of sampling frequency. The single-supply operation, on-chip filtering, and high input impedance eliminate the need for driver op amps and external bipolar supplies.

The device contains analog input clamp protection, a dual, 14-bit charge redistribution successive approximation register (SAR) analog-to-digital converter (ADC), a flexible digital filter, a 2.5 V reference and reference buffer, and high speed serial and parallel interfaces. The AD7617 is serial peripheral interface (SPI)/QSPI/DSP/MICROWIRE compatible.

Applications

  • Power line monitoring
  • Protective relays
  • Multiphase motor control
  • Instrumentation and control systems
  • Data acquisition systems (DASs)
     

Product Lifecycle

checked Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits

(1)

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EVAL-AD7616

EVAL-AD7616 Circuit Diagram

Product Details

The EVAL-AD7616SDZ/EVAL-AD7616-PSDZ is a single, full featured evaluation board designed to easily evaluate all features of both the AD7616 and AD7616-P analog-to-digital converters (ADCs). The evaluation board can be controlled by the EVAL-SDP-CB1Z via the 120-way high speed system demonstration platform (SDP-B) connector (J10). The EVAL-SDP-CB1Z SDP-B board controls the evaluation board through a USB port of a PC using the evaluation board software, which is available for download from the AD7616 and AD7616-P product pages.


Complete specifications for the AD7616 and AD7616-P devices are provided in the AD7616 and AD7616-P data sheets and should be consulted in conjunction with user guide (UG-1012) when using the evaluation boards. Full details on the EVAL-SDP-CB1Z are available on the SDP-B product page.

Software & Systems Requirements

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Tools & Simulations

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IBIS Models

Product Recommendations

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AD7617 Companion Parts

Recommended External Voltage References

  • For low noise and high accuracy , we recommend the ADR421 .

Recommended Low Dropout Regulators and Switchers

  • For VCC (5V) and for VDRIVE (3.3V) , we recommend the AD7118 .

Design Resources

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

AD7617 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

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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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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.