CAT5419 Datasheet PDF (Dual Digital Potentiometer) | Download ON Semiconductor CAT5419

CAT5419 - Dual Digital Potentiometer

Description

The CAT5419 is two digital POTs integrated with control logic and 16 bytes of NVRAM memory.

A separate 6-bit control register (WCR) independently controls the wiper tap position for each digital POT.

Features

Two Linear-taper Digital Potentiometers.
64 Resistor Taps per Potentiometer.
End to End Resistance 2.5 kW, 10 kW, 50 kW or 100 kW.
Potentiometer Control and Memory Access via 2-wire Interface (I2C like).
Low Wiper Resistance, Typically 80 W.
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 1 mA.
1,000,000 Nonvolatile WRITE Cycles.
100 Year Non.

Datasheet Details

Part number	CAT5419
Manufacturer	ON Semiconductor
File Size	190.83 KB
Description	Dual Digital Potentiometer
Datasheet	CAT5419 Datasheet
Additional preview pages of the CAT5419 datasheet.

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Full PDF Text Transcription

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CAT5419 Dual Digital Potentiometer (POT) with 64 Taps and 2‐wire Interface Description The CAT5419 is two digital POTs integrated with control logic and 16 bytes of NVRAM memory. A separate 6-bit control register (WCR) independently controls the wiper tap position for each digital POT. Associated with each wiper control register are four 6-bit non-volatile memory data registers (DR) used for storing up to four wiper settings. Writing to the wiper control register or any of the non-volatile data registers is via a 2-wire serial bus (I2C-like). On power-up, the contents of the first data register (DR0) for each of the two potentiometers is automatically loaded into its respective wiper control registers (WCR).

Published: Aug 9, 2010 |