Description
Data Sheet AD5270/AD5271 1024-/256-Position, 1% Resistor Tolerance Error, SPI Interface and 50-TP Memory Digital Rheostat .
The AD5270/AD52711 are single-channel, 1024-/256-position digital rheostats that combine industry leading variable resistor performance with nonvolati.
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
Applications
* Figure 1.
* Mechanical rheostat replacements
* Op-amp: variable gain control
* Instrumentation: gain, offset adjustment
* Programmable voltage to current conversions
* Programmable filters, delays, time constants
* Programmable power supply
* Sensor calibration
GENERAL