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  4. AD623

Data Sheet Rev. G
JP Rev. D
User Guides
CN 1 View All
SPICE Models
1 View All

Alternative Parts

AD8226
AD8226

Lower cost, 20% lower supply current, 2x faster, 3x the CMV rejection and wider supply range to 36V

Overview

Features and Benefits

  • Easy to use
  • Rail-to-rail output swing
  • Input voltage range extends 150 mV below ground (single supply)
  • Low power, 550 μA maximum quiescent current
  • Gain set with one external resistor
    • Gain range: 1 to 1000
  • 14-terminal, 6 mm × 5.6 mm × 2.2 mm, LCC package
  • High accuracy dc performance
    • 0.10% gain error (G = 1)
    • 0.35% gain error (G > 1)
  • Noise: 35 nV/√Hz RTI noise at 1 kHz
  • Optimal dynamic specifications
    • 800 kHz bandwidth (G = 1)
    • 20 μs settling time to 0.01% (G = 10)

Product Details

The AD623 is an integrated, single- or dual-supply instrumentation amplifier that delivers rail-to-rail output swing using supply voltages from 2.7 V to 12 V. The AD623 offers user flexibility by allowing single gain set resistor programming and by conforming to the 8-lead industry standard pinout configuration. With no external resistor, the AD623 is configured for unity gain (G = 1), and with an external resistor, the AD623 can be programmed for gains of up to 1000.

The accuracy of the AD623 is the result of increasing ac common-mode rejection ratio (CMRR) coincident with increasing gain. Line noise harmonics are rejected due to constant CMRR up to 200 Hz. The AD623 has a wide input common-mode range and amplifies signals with common-mode voltages as low as 150 mV below ground. The AD623 maintains optimal performance with dual and single polarity power supplies.

Applications

  • Low power medical instrumentation
  • Transducer interfaces
  • Thermocouple amplifiers
  • Industrial process controls
  • Difference amplifiers
  • Low power data acquisition

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Evaluation Kits (1)

Documentation & Resources

  • View All (17)
  • Data Sheets (1)
  • Application Notes (6)
  • User Guides (1)
  • Technical Books (1)
  • Technical Articles (6)
  • Rarely Asked Questions (2)
    • Document Type
    Application Notes

    Tools & Simulations

    In-Amp Diamond Plot Tool

    The Diamond Plot Tool is a web application that generates a configuration-specific Output Voltage Range vs. Input Common-Mode Voltage graph, also known as the Diamond Plot, for Analog Devices Instrumentation Amplifiers. Based on user inputs such as supply voltage, gain, and input signal range, the tool detects saturation and recommends in-amps for which the input signal is in-range and the configuration is valid. Avoid saturation, find the best in-amp for your design, and save time.

    In Amp Diamond Tool

    SABER Models

    AD623 SABER Macro-Model

    SPICE Models

    Design Tools

    In-Amp Error Calculator

    These tools will help estimate error contributions in your instrumentation amplifier circuit. It uses input parameters such as temperature, gain, voltage input, and source impedance to determine the errors that can contribute to your overall design.

    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
    AD623ANZ Material Declaration Reliability Data 8-Lead PDIP
    AD623ARMZ Material Declaration Reliability Data 8-Lead MSOP
    AD623ARMZ-REEL Material Declaration Reliability Data 8-Lead MSOP
    AD623ARMZ-REEL7 Material Declaration Reliability Data 8-Lead MSOP
    AD623ARZ Material Declaration Reliability Data 8-Lead SOIC
    AD623ARZ-R7 Material Declaration Reliability Data 8-Lead SOIC
    AD623ARZ-RL Material Declaration Reliability Data 8-Lead SOIC
    AD623BNZ Material Declaration Reliability Data 8-Lead PDIP
    AD623BRZ Material Declaration Reliability Data 8-Lead SOIC
    AD623BRZ-R7 Material Declaration Reliability Data 8-Lead SOIC
    AD623BRZ-RL Material Declaration Reliability Data 8-Lead SOIC
    Wafer Fabrication Data

    PCN-PDN Information

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Select Model for PCN Information
    • AD623ANZ Production
    • AD623ARMZ Production
    • AD623ARMZ-REEL Production
    • AD623ARMZ-REEL7 Production
    • AD623ARZ Production
    • AD623ARZ-R7 Production
    • AD623ARZ-RL Production
    • AD623BNZ Production
    • AD623BRZ Production
    • AD623BRZ-R7 Production
    • AD623BRZ-RL Production

    Support & Discussions

    AD623 Discussions

    RE: AD623 unstable and not amplifying
    3 week(s) ago in Instrumentation Amplifiers
    All AD623 Discussions
    AD623 Contact ADI Technical Support »
    AD623 Ask your question »
    AD623 Contact ADI Technical Support » AD623 Ask your question »

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