X95820WV14IZ-2.7T1

X95820WV14IZ-2.7T1 is a dual digital controlled potentiometer (XDCP™) low noise/low power/I2C bus/256 taps. The X95820 integrates two digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I2C bus interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR), that can be directly written to and read by the user. The contents of the WR controls the position of the wiper. At power up the device recalls the contents of the two DCP’s IVR to the corresponding WRs. The DCPs can be used as three-terminal potentiometers or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing.

• 10Kohm resistance, 14 lead TSSOP package
• Two potentiometers in one package, 256 resistor taps-0.4% resolution
• I2C serial interface, three address pins, up to eight devices/bus
• Wiper resistance of 70 ohm typical at 3.3V
• Non-volatile storage of wiper position
• Standby current of <lt/> 5µA max, power supply voltage range from 2.7V to 5.5V
• High reliability, endurance of 150,000 data changes per bit per register
• Register data retention of 50 years at 75°C
• Temperature range (industrial) from -40°C to 85°C

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