DS3503
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DS3503

NV, I²C, Stepper Potentiometer

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Low-Cost VCOM Calibrator with Anti-Image-Stick Features

Part Details
Features
  • 128 Wiper Tap Points
  • Full-Scale Resistance: 5kΩ
  • Programmable Logic Lets WR Step Up and Down with Timing Controlled by SYNC Input
  • Second Potentiometer Output Pin (Y) Centered at Position 40h
  • I²C-Compatible Serial Interface
  • Digital Operating Voltage: 2.7V to 3.6V
  • Analog Operating Voltage: 4.5V to 15.5V
  • Operating Temperature: -40°C to +100°C
  • 10-Pin µSOP Package
Additional Details
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The DS3503 features two synchronized stepping digital potentiometers: one 7-bit potentiometer with RW as its output, and another potentiometer with Y as its output. Both potentiometers reference the RH and RL terminals and feature an output voltage range of up to 15.5V. In addition, both potentiometer outputs can be stepped up and down by configuring the control registers. Programming is accomplished by an I²C-compatible interface that can operate at speeds of up to 400kHz.

Applications

  • Instrumentation and Industrial Controls
  • Mechanical Potentiometer Replacement
  • TFT-LCD VCOM Calibration

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