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AD7376:  +30 V/±15 V OPERATION 128-POSITION DIGITAL POTENTIOMETER

The AD7376* is one of the few high voltage, high performance digital potentiometers** on the market. This device can be used as a programmable resistor or resistor divider. The AD7376 performs the same electronic adjustment function as mechanical potentiometers, variable resistors, and trimmers with enhanced resolution, solid-state reliability, and programmability. With digital rather than ...More

AD7376:  +30 V/±15 V OPERATION 128-POSITION DIGITAL POTENTIOMETER

Product Description

The AD7376* is one of the few high voltage, high performance digital potentiometers** on the market. This device can be used as a programmable resistor or resistor divider. The AD7376 performs the same electronic adjustment function as mechanical potentiometers, variable resistors, and trimmers with enhanced resolution, solid-state reliability, and programmability. With digital rather than manual control, the AD7376 provides layout flexibility and allows closed-loop dynamic controllability.

The AD7376 features sleep-mode programmability in shutdown that can be used to program the preset before device activation, thus providing an alternative to costly EEPROM solutions.

The AD7376 is available in 14-lead TSSOP and 16-lead wide body SOIC packages in 10 kΩ, 50 kΩ, and 100 kΩ options. All parts are guaranteed to operate over the −40°C to +85°C extended industrial temperature range.

Applications

  • High voltage DAC
  • Programmable power supply
  • Programmable gain and offset adjustment
  • Programmable filters, delays
  • Actuator control
  • Audio volume control
  • Mechanical potentiometer replacement

    • *Patent number: 54952455. **The terms digital potentiometer and RDAC are used interchangeably.

    Data Sheet, Rev. C, 7/09

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    • 128 positions
    • 10 kΩ, 50 kΩ, 100 kΩ
    • 20 V to 30 V single-supply operation
    • ±10 V to ±15 V dual-supply operation
    • 3-wire SPI®-compatible serial interface
    • THD 0.006% typical
    • Programmable preset
    • Power shutdown: less than 1 μA
    • iCMOS™ process technology
    • # Channels: 1
    • # Positions: 128
    • Memory Type: Volatile
    • Interface: SPI
    • Resistor Values (kOhms): 10, 50, 100, 1M
    • Bipolar Voltage Range (V): ±15V
    • Voltage Range (V): +28V
    • Supply Current : 10µA
    • Temp. Range -40 °C to..: 85Deg
    • Absolute Tempco (ppm/°C): 35ppm/C
    • Package: PDIP,SOIC,TSSOP

    Functional Block Diagram for AD7376

    OF NOTE ...

    Note: The AD7376AN10 is not recommended for new designs. For new designs, please use AD7376ARWZ10.

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