X9251UV24IZ datasheet(2/21 Pages) INTERSIL

Part #	X9251UV24IZ

Description	Single Supply/Low Power/256-Tap/SPI Bus, Quad Digitally-Controlled Potentiometer

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Manufacturer	INTERSIL [Intersil Corporation]

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2 / 21 page

X9251

2

FN8166.6

December 3, 2014

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Circuit Level Applications

• Vary the gain of a voltage amplifier

• Provide programmable DC reference voltages for comparators

and detectors

• Control the volume in audio circuits

• Trim out the offset voltage error in a voltage amplifier circuit

• Set the output voltage of a voltage regulator

• Trim the resistance in Wheatstone bridge circuits

• Control the gain, characteristic frequency and Q-factor in filter

circuits

• Set the scale factor and zero point in sensor signal

conditioning circuits

• Vary the frequency and duty cycle of timer ICs

• Vary the DC biasing of a pin diode attenuator in RF circuits

• Provide a control variable (I, V, or R) in feedback circuits

System Level Applications

• Adjust the contrast in LCD displays

• Control the power level of LED transmitters in communication

systems

• Set and regulate the DC biasing point in an RF power amplifier

in wireless systems

• Control the gain in audio and home entertainment systems

• Provide the variable DC bias for tuners in RF wireless systems

• Set the operating points in temperature control systems

• Control the operating point for sensors in industrial systems

• Trim offset and gain errors in artificial intelligent systems

Similar Part No. - X9251UV24IZ

Manufacturer	Part #	Datasheet	Description
Intersil Corporation	X9251UV24IZ	354Kb / 22P	Single Supply/Low Power/256-Tap/SPI Bus
Renesas Technology Corp	X9251UV24IZ	849Kb / 21P	Single Supply/Low Power/256-Tap/SPI Bus, Quad Digitally-Controlled (XDCP??Potentiometer
Intersil Corporation	X9251UV24IZ-2.7	354Kb / 22P	Single Supply/Low Power/256-Tap/SPI Bus
Intersil Corporation	X9251UV24IZ-2.7	331Kb / 20P	Quad Digitally-Controlled (XDCP?? Potentiometer
Renesas Technology Corp	X9251UV24IZ-2.7	849Kb / 21P	Single Supply/Low Power/256-Tap/SPI Bus, Quad Digitally-Controlled (XDCP??Potentiometer

Manufacturer	Part #	Datasheet	Description
Renesas Technology Corp	X9251	849Kb / 21P	Single Supply/Low Power/256-Tap/SPI Bus, Quad Digitally-Controlled (XDCP??Potentiometer
	X9271	791Kb / 19P	Single Supply/Low Power/256-Tap/SPI Bus Single, Digitally Controlled (XDCP?? Potentiometer
	X9111	805Kb / 19P	Single Supply/Low Power/1024-Tap/SPI Bus/Single Digitally-Controlled (XDCP?? Potentiometer
	X9110	774Kb / 18P	Dual Supply/Low Power/1024-Tap/SPI Bus, Single Digitally-Controlled (XDCP?? Potentiometer
	X9401	827Kb / 20P	Low Noise/Low Power/SPI Bus Quad, 64 Tap, Digitally Controlled Potentiometer (XDCP??
Intersil Corporation	ISL23345	881Kb / 19P	Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP??
	ISL23445	923Kb / 20P	Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP??
	X9261	393Kb / 21P	Single Supply/Low Power/256-Tap/SPI Bus
	X9251	354Kb / 22P	Single Supply/Low Power/256-Tap/SPI Bus
	X9271	373Kb / 22P	Single Supply/Low Power/256-Tap/SPI Bus