DESCRIPTION
The CAT5419 is two Digitally Programmable Potentiometers (DPP™) integrated with control logic and 16 bytes of NVRAM memory.
FEATURES
◾ Two linear-taper digital potentiometers
◾ 64 resistor taps per potentiometer
◾ End to end resistance 2.5kΩ, 10kΩ, 50kΩ or
100kΩ
◾ Potentiometer control and memory access via
2-wire Interface (I2C like)
◾ Low wiper resistance, typically 80
◾ Four non-volatile wiper settings for each
potentiometer
◾ Recall of wiper settings at power up
◾ 2.5 to 6.0 volt operation
◾ Standby current less than 1µA
◾ 1,000,000 nonvolatile WRITE cycles
◾ 100 year nonvolatile memory data retention
◾ 24-lead SOIC and 24-lead TSSOP
◾ Write protection for data register