The X9259 integrates four digitally controlled potentiometers (DCPs) on a monolithic CMOS integrated circuit, each with 256 resistor taps and 0.4% resolution.
The DCPs are implemented with a 2-wire serial interface for write and read operations, and each has associated volatile Wiper Counter Registers (WCRs) and four nonvolatile data registers.
Key Features:
Single supply operation from 2.7V to 5.5V, low power CMOS, and Pb-Free (RoHS compliant).
Endurance of 100,000 data changes per bit per register, and 100-year data retention.
Applications:
The X9259 can be used in a wide variety of applications, including control, parameter adjustments, and signal processing, such as:
– Varying the gain of a voltage amplifier
– Providing programmable DC reference voltages for comparators and detectors
– Controlling the volume in audio circuits
– Trimming out the offset voltage error in a voltage amplifier circuit
System-level applications include adjusting the contrast in LCD displays, controlling the power level of LED transmitters, and setting the operating points in temperature control systems.
Manual:
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