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Overview

Features and Benefits

  • Low power, 8-/16-channel, highly integrated multiplexed analog-to-digital converter (ADC)
  • Integration
    • Precision analog input buffers and reference input buffers
    • 2.5 V precision reference (3.5 ppm/°C)
    • Cross point multiplexer (enable system diagnostic)
    • 8 full differential or 16 single-ended channels
    • Clock oscillator
    • GPIO and GPO pins with automatic external mux control
  • Fast and flexible output rate: 1.25 SPS to 31.25 kSPS
  • Channel scan data rate: 6.21 kSPS/channel (161 μs settling)
  • Performance specifications
    • 17.5 noise free bits at 31.25 kSPS
    • 24 noise free bits at 1.25 SPS
    • INL: ±3 ppm/FSR
  • 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling
  • Operates with either 3.3 V or 5 V supply
    • Single supply
      • 3.3 V or 5 V AVDD1, 2 V to 5 V AVDD2, and 2 V to 5 V IOVDD
    • Optional split supply
      • AVDD1 and AVSS ± 2.5 V or AVDD1 and AVSS ± 1.65 V
    • Current: 1.4 mA
  • 3-/4-wire serial digital interface (Schmitt trigger on SCLK)
    • CRC error checking
    • SPI, QSPI, MICROWIRE, and DSP compatible
  • Package: 40-lead 6 mm × 6 mm LFCSP
  • Temperature range: −40°C to +105°C

Product Details

Fast settling, highly accurate, low power, 8-/16-channel, multiplexed ADC for low bandwidth input signals with integrated input buffers.

Integrated precision, 2.5 V, low drift (3.5 ppm/°C), band gap reference and integrated oscillator.

Eight flexible setups with configurability for output data rate, digital filter mode, offset/gain error correction, reference selection, buffer enables and more. This per channel configurability extends to the output data rate used for each channel when using sinc5 + sinc1 filter.

Sinc5 + sinc1 filter maximizes channel scan rate, and sinc3 filter maximizes resolution and enhanced 50 Hz/60 Hz rejection, with four selectable options to maximize rejection.

Integrated diagnostic features, including CRC, register checksum, temperature sensor, crosspoint multiplexer, burnout currents, and GPIOs/GPOs.

Applications

  • Process control: PLC/DCS modules
    • Voltage, current, temperature, and pressure measurement
    • Flow meters
  • Medical and scientific multichannel instrumentation
  • Seismic instrumentation
  • Chemical analysis instrumentation: chromatography

Product Lifecycle icon-recommended 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)

Documentation & Resources

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  • Data Sheets (1)
  • Application Notes (1)
  • User Guides (1)
  • Technical Books (1)
  • Tutorials (2)
  • Informational (1)
  • Circuit Note (2)
  • Videos (4)
  • Technical Articles (4)
  • Webcasts (1)
  • Software & Systems Requirements

    Mbed Support

    EVAL-AD717x-AD411x-IIO Code

    IIO firmware for the AD717x and AD411x family of devices.
    WIKI

    AD717x/411x Mbed IIO Application

    This page gives an overview of using the ARM “Mbed” platform supported firmware example with Analog Devices AD717x/AD411x Evaluation boards and SDP-K1 controller board.
    WIKI

    Learn how to get started with Mbed

    Mbed is an open source, development environment for ARM microcontrollers.

    Tools & Simulations

    Virtual Eval - BETA

    Virtual Eval is a web application to assist designers in product evaluation of ADCs, DACs, and other ADI products. Using detailed models on Analog’s servers, Virtual Eval simulates crucial part performance characteristics within seconds. Configure operating conditions such as input tones and external jitter, as well as device features like gain or digital down-conversion. Performance characteristics include noise, distortion, and resolution, FFTs, timing diagrams, response plots, and more.

    VirtualEval

    IBIS Models

    Design Tools

    Reference Designs (2)

    Product Recommendations

    AD7173-8 Companion Parts

    Recommended Digital Isolators

    • For SPI Interface, smallest package, low voltage I/O (1.8 V to 5.5 V): ADUM3481.
    • For SPI Interface, low power, 5.0 kVrms isolation: ADUM4401.
    • For SPI Interface, lowest power, 2.5 kVrms isolation: ADUM1401.
    • For SPI Interface, enhanced system-level ESD performance, 2.5 kVrms isolation: ADUM3401.

    Recommended Power Solutions

    • For voltage conversion which can double or invert voltages to help with power supply rail generation: ADM660.
    • For a low noise, high power supply rejection, positive supply voltage LDO: ADP7118.
    • For a low noise, high power supply rejection, negative supply voltage LDO: ADP7182.

    Recommended Driver Amplifiers

    • For a high voltage, ultralow noise, zero drift, rail to rail output amplfier: ADA4522-2.
    • For a single supply, ultralow noise, zero drift, rail to rail input and output amplifier: ADA4528-2.

    Recommended External Multiplexers

    • For low Ron, 4:1 channel multiplexer: ADG1404.
    • For low Ron with four differential inputs: ADG1409.

    Recommended External Voltage References

    • For the family of low noise, low drift and high accuracy references: ADR445, ADR4550.

    Design Resources

    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.

    PCN-PDN Information

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    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.