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AD5233 Datasheet Quad 64-Position Digital Potentiometer

Manufacturer: Analog Devices

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General Description

The AD5233 is a quad-channel nonvolatile memory,1 digitally controlled potentiometer2 with a 64-step resolution.

The device performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid-state reliability, and remote controllability.

The AD5233 has versatile programming using a serial peripheral interface (SPI) for 16 modes of operation and adjustment, including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM for user-defined information such as memory data for other components, look-up tables, or system identification information.

Overview

Nonvolatile Memory, Quad 64-Position Digital Potentiometer AD5233.

Key Features

  • Nonvolatile memory stores wiper setting 4-channel independent programmable 64-position resolution Power-on refreshed with EEMEM settings EEMEM restore time: 140 μs typical Full monotonic operation 10 kΩ, 50 kΩ, and 100 kΩ terminal resistance Permanent memory write protection Wiper setting readback Predefined linear increment/decrement instructions Predefined ±6 dB/step log taper increment/decrement instructions SPI-compatible serial interface with readback function 2.7 V to 5.5 V single supply o.

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