Description
Data Sheet AD5172/AD5173 256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers .
Figure 2.
Features
* FUNCTIONAL BLOCK DIAGRAMS
* 2-channel, 256-position potentiometers
* One-time programmable (OTP) set-and-forget resistance setting
provides a low cost alternative to EEMEM
* Unlimited adjustments before OTP activation
* OTP overwrite allows dynamic adjustments with user defined
pre
Applications
* Systems calibration
* Electronics level setting
* Mechanical trimmers replacement in new designs
* Permanent factory PCB setting
* Transducer adjustment of pressure, temperature, position, chem-
ical, and optical sensors
* RF amplifier biasing
* Gain control and offset