AD5274 rheostat equivalent, i2c interface and 50-tp memory digital rheostat.
FUNCTIONAL BLOCK DIAGRAM
* Single-channel, 1024-/256-position resolution
* 20 kΩ, 50 kΩ, 100 kΩ nominal resistance
* Maximum ±1% nominal resistor tolerance .
Figure 1.
* Mechanical rheostat replacements
* Op-amp: variable gain control
* Instrumentation: gain, offs.
The AD5272/AD52741 are single-channel, 1024-/256-position digital rheostats that combine industry leading variable resistor performance with nonvolatile memory (NVM) in a compact package. The AD5272/AD5274 ensure less than 1% end-to-end resistor tole.
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