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ADN2850 Datasheet Nonvolatile Memory/ Dual 1024 Position Programmable Resistors

Manufacturer: Analog Devices

Overview: PRELIMINARY TECHNICAL DATA a Preliminary Technical Data.

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General Description

The ADN2850 provides dual channel, digitally controlled programmable resistors2 with resolution of 1024 positions.

These devices perform the same electronic adjustment function as a mechanical rheostat.

The ADN2850’s versatile programming via a standard serial interface allows sixteen mode of operations and adjustment including scratch pad programming, memory storing and retrieving, increment/decrement, log taper adjustment, wiper setting readback, and extra user defined EEMEM.

Key Features

  • Dual, 1024 Position Resolution 25K, 250K Ohm Full Scale Resistance Low Temperature Coefficient -- 35ppm/°C Nonvolatile Memory1 Preset Maintains Wiper Settings Wiper Settings Read Back Linear Increment/Decrement Log taper Increment/Decrement SPI Compatible Serial Interface +3V to +5V Single Supply or ±2.5V Dual Supply 26 bytes User Nonvolatile Memory for Constant Storage with Current Monitoring Configurable Function.

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