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AD5270 - SPI Interface and 50-TP Memory Digital Rheostat

General Description

The AD5270/AD52711 are single-channel, 1024-/256-position digital rheostats that combine industry leading variable resistor performance with nonvolatile memory (NVM) in a compact package.

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Datasheet Details

Part number AD5270
Manufacturer Analog Devices
File Size 2.41 MB
Description SPI Interface and 50-TP Memory Digital Rheostat
Datasheet download datasheet AD5270 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet AD5270/AD5271 1024-/256-Position, 1% Resistor Tolerance Error, SPI Interface and 50-TP Memory Digital Rheostat FEATURES FUNCTIONAL BLOCK DIAGRAM ► Single-channel, 1024-/256-position resolution ► 20 kΩ, 50 kΩ, 100 kΩ nominal resistance ► Maximum ±1% nominal resistor tolerance error ► 50-times programmable (50-TP) wiper memory ► Rheostat mode temperature coefficient: 5 ppm/°C ► 2.7 V to 5.5 V single-supply operation ► ±2.5 V to ±2.75 V dual-supply operation for ac or bipolar opera- tions ► SPI-compatible interface ► Wiper setting readback ► Power on refreshed from 50-TP memory ► Thin LFCSP, 10-lead, 3 mm × 3 mm × 0.8 mm package ► Compact MSOP, 10-lead, 3 mm × 4.9 mm × 1.1 mm package APPLICATIONS Figure 1.