Overview
The X9428 is a digitally controlled potentiometer (XDCP) that integrates a resistor array, registers, and counters, and a serial interface logic on a monolithic CMOS integrated microcircuit.
Key Features
The device features a 2-wire serial interface, low power CMOS, and a standby current of less than 1 μA, making it ideal for battery-operated applications.
It has a 64-tap resistor array, with each potentiometer having associated volatile Wiper Counter Registers (WCR) and nonvolatile Data Registers (DR0:DR3) that can be directly written to and read by the user.
The XDCP can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications, including control, parameter adjustments, and signal processing.
Package and Ordering Information
The device is available in 16 Ld SOIC and 14 Ld TSSOP packages, with Pb-free plus anneal options.
Ordering information includes part numbers, markings, temperature ranges, Vcc limits, organization, and package details.
Manual:
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