Overview

Features and Benefits

  • 120 mA current sink
  • Available in 8-lead LFCSP package
  • 2-wire (I2C-compatible) serial interface
  • 10-bit resolution
  • Integrated current sense resistor
  • 2.7 V to 5.5 V power supply
  • Guaranteed monotonic over all codes
  • Power-down to 0.5 µA typical
  • Internal reference
  • Ultralow noise preamplifier
  • Power-down function
  • Power-on reset

Product Details

The AD5398 is a single 10-bit DAC with 120 mA output current sink capability. It features an internal reference and operates from a single 2.7 V to 5.5 V supply. The DAC is controlled via a 2-wire (I2C-compatible) serial interface that operates at clock rates up to 400 kHz.

The AD5398 incorporates a power-on reset circuit, which ensures that the DAC output powers up to 0 V and remains there until a valid write takes place. It has a power-down feature that reduces the current consumption of the device to 1 µA maximum. The AD5398 is designed for autofocus, image stabilization, and optical zoom applications in camera phones, digital still cameras, and camcorders.

The AD5398 also has many industrial applications, such as controlling temperature, light, and movement, over the range −40°C to +85°C without derating.

The I2C address range for the AD5398 is 0x18 to 0x1F inclusive.

Consumer Applications

  • Lens autofocus
  • Image stabilization
  • Optical zoom
  • Shutters
  • Iris/exposure
  • Neutral density (ND) filters
  • Lens covers
  • Camera phones
  • Digital still cameras
  • Camera modules
  • Digital video cameras/camcorders
  • Camera-enabled devices
  • Security cameras
  • Web/PC cameras

Industrial Applications

  • Heater control
  • Fan control
  • Cooler (Peltier) control
  • Solenoid control
  • Valve control
  • Linear actuator control
  • Light control
  • Current loop control

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Software & Systems Requirements

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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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.


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