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AD5293:  SINGLE CHANNEL, 1024-POSITION, 1% R-TOL, DIGITAL POTENTIOMETER

The AD5293 is a single-channel, 1024-position digital potentiometer1 with <1% end-to-end resistor tolerance error. The AD5293 performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. This device is capable of operating at high voltages and supporting both ...More

AD5293:  Single Channel, 1024-Position, 1% R-Tol, Digital Potentiometer

Product Description

The AD5293 is a single-channel, 1024-position digital potentiometer1 with <1% end-to-end resistor tolerance error. The AD5293 performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. This device is capable of operating at high voltages and supporting both dual-supply operation at ±10.5 V to ±15 V and single-supply operation at 21 V to 33 V.

The AD5293 offers guaranteed industry-leading low resistor tolerance errors of ±1% with a nominal temperature coefficient of 35 ppm/°C. The low resistor tolerance feature simplifies open-loop applications as well as precision calibration and tolerance matching applications.

The AD5293 is available in a compact 14-lead TSSOP package. The part is guaranteed to operate over the extended industrial temperature range of −40°C to +105°C.

1In this data sheet, the terms digital potentiometer and RDAC are used interchangeably.

Applications

  • Mechanical potentiometer replacement
  • Instrumentation: gain and offset adjustment
  • Programmable voltage-to-current conversion
  • Programmable filters, delays, and time constants
  • Programmable power supply
  • Low resolution DAC replacement
  • Sensor calibration

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    • Single-channel, 1024-position resolution
    • 20 kΩ, 50 kΩ, and 100 kΩ nominal resistance
    • Calibrated 1% nominal resistor tolerance (resistor performance mode mode)
    • Rheostat mode temperature coefficient: 35 ppm/°C
    • Voltage divider temperature coefficient: 5 ppm/°C
    • Single-supply operation: 9 V to 33 V
    • Dual-supply operation: ±9 V to ±16.5 V
    • SPI-compatible serial interface
    • Wiper setting readback
    • # Channels: 1
    • # Positions: 1024
    • Memory Type: Volatile
    • Interface: SPI
    • Resistor Values (kOhms): 20
    • Bipolar Voltage Range (V): ±16.5V
    • Voltage Range (V): +33V
    • Supply Current : 0.2µA
    • Temp. Range -40 °C to..: 105Deg
    • Absolute Tempco (ppm/°C): 5ppm/C
    • Package: TSSOP

    AD5293 Functional Block Diagram

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    Model
    The model number is a specific version of a generic that can be purchased or sampled.

    Status
    Status indicates the current lifecycle of the product. This can be one of 4 stages:
    • 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).
    Package Description
    The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

    For detailed drawings and chemical composition please consult our  Package Site

    Pin Count
    Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • 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
    Price
    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.

    Production Availability
    This is the date Analog Devices, Inc. anticipates that the product will ship from the warehouse. Most orders ship within 48 hours of this date.Once an order has been placed, Analog Devices, Inc. will send an Order Acknowledgement email to confirm your delivery date. It is important to note the scheduled dock date on the order entry screen. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. Also, please note the warehouse location for the product ordered. We have warehouses in the United States, Europe and Southeast Asia. Transit times from these sites may vary.
    Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

    RoHS Compliant
    Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

    View PCN
    This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

    *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.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.