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AD7606B: 8-Channel DAS with 16-Bit, 800kSPS Bipolar Input, Simultaneous Sampling ADC AD7606B: 8-Channel DAS with 16-Bit, 800kSPS Bipolar Input, Simultaneous Sampling ADC

Overview

Features and Benefits

  • 16-bit ADC with 800 kSPS on all channels
  • Input buffer with 5 MΩ analog input impedance
  • Pin to pin compatible with the AD7606
  • −40°C to +125°C operating temperature range
  • Single 5 V analog supply and 1.71 V to 3.6 V VDRIVE supply
  • ±21 V input clamp protection with 8 kV ESD
  • Extra modes available in software mode
    • Per channel selectable analog input ranges
      • Single-ended, bipolar: ±10 V, ±5 V, and ±2.5 V
    • Per channel system phase, offset, and gain calibration
    • Analog input open circuit detection feature
    • <20 LSB open circuit code error (RPD = 10 kΩ)
    • Self diagnostics and monitoring features
    • CRC error checking on read/write data and registers

Product Details

The AD7606B is a 16-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS) with eight channels, each channel containing analog input clamp protection, a programable gain amplifier (PGA), a low-pass filter, and a 16-bit successive approximation register (SAR), analog-to-digital converter (ADC). The AD7606B also contains a flexible digital filter, low drift, 2.5 V precision reference and reference buffer to drive the ADC and flexible parallel and serial interfaces.

The AD7606B operates from a single 5 V supply and accommodates ±10 V, ±5 V, and ±2.5 V true bipolar input ranges when sampling at throughput rates of 800 kSPS for all channels. The input clamp protection tolerates voltages up to ±21 V. The AD7606B has a 5 MΩ analog input impedance, resulting in less than 20 LSB bipolar zero code when the input signal is disconnected and pulled to ground through a 10 kΩ external resistor. The single supply operation, on-chip filtering, and high input impedance eliminates the need for external driver op amps, which require bipolar supplies. For applications with lower throughput rates, the AD7606B flexible digital filter can be used to improve noise performance.

In hardware mode, the AD7606B is fully compatible with the AD7606. In software mode, the following advanced features are available:

  • Additional ±2.5 V analog input range.
  • Analog input range (±10 V, ±5 V, and ±2.5 V), selectable per channel.
  • Additional oversampling (OS) options, up to OS × 256.
  • System gain, system offset, and system phase calibration per channel.
  • Analog input open circuit detector.
  • Diagnostic multiplexer.
  • Monitoring functions (serial peripheral interface (SPI) invalid read/write, cyclic redundancy check (CRC), overvoltage and undervoltage events, busy stuck monitor, and reset detection).

Note that throughout this data sheet, multifunction pins, such as the RD/SCLK pin, are referred to either by the entire pin name or by a single function of the pin, for example, the SCLK pin, when only that function is relevant.

Applications

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

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    Software & Systems Requirements

    Code Examples

    WIKI

    AD7606B/C ACE Remote Control Example Code
    By using ACE Remote Control, AD7606B and AD7606C plug-ins can be automated to perform several evaluation activities across the different analog input ranges, bandwidth modes, channels, etc. Different example code will be given.

    Device Drivers

    WIKI

    AD7606 - No-OS Driver

    AD7606B/C Device Drivers

    WIKI

    AD7606 IIO Multi-Channel Simultaneous Sampling ADC Linux Driver

    GitHub: no-OS Drivers

    Mbed Support

    WIKI

    AD7606 Mbed IIO Application
    This page gives an overview of using the ARM Mbed platform supported firmware example with Analog Devices AD7606 Evaluation board and SDP-K1 controller board.

    EVAL-AD7606 Code
    WIKI

    Learn how to get started with Mbed
    Mbed is an open source, development environment for ARM microcontrollers.
    WIKI

    More Mbed supported ADI Products

    Tools & Simulations

    IBIS Models

    Design Tools

    Product Recommendations

    AD7606B Companion Parts

    Recommended Digital Isolators

    Recommended Voltage References

    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.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    AD7606BBCHIPS Material Declaration Reliability Data CHIPS OR DIE
    AD7606BBSTZ Material Declaration Reliability Data 64-Lead LQFP (10mm x 10mm)
    AD7606BBSTZ-RL Material Declaration Reliability Data 64-Lead LQFP (10mm x 10mm)
    Wafer Fabrication Data

    Support & Discussions

    AD7606B Discussions

    RE: AD7606C System Gain Calibration
    RE: Eval-AD7606B-FMCZ mechanical design files
    All AD7606B Discussions
    AD7606B Contact ADI Technical Support »
    AD7606B Ask your question »
    AD7606B Contact ADI Technical Support » AD7606B Ask your question »

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