X9313ZST1C7975

X9313ZST1C7975 Description

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X9313ZST1C7975 Datasheet (PDF)

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X9313ZST1C7975 Features

• Solid-state potentiometer
• 3-wire serial interface
• 32 wiper tap points
  • Wiper position stored in nonvolatile memory and recalled on power-up
• 31 resistive elements
  • Temperature compensated
  • End to end resistance range ±20%
  • Terminal voltages, -V_CC to +V_CC
• Low power CMOS
  • V_CC = 3V or 5V
  • Active current, 3mA max.
  • Standby current, 500μA max.
• High reliability
  • Endurance, 100,000 data changes per bit
  • Register data retention, 100 years
• R_TOTAL values = 1kΩ, 10kΩ, 50kΩ
• Packages
  • 8 Ld SOIC, 8 Ld MSOP and 8 Ld PDIP
• Pb-free available (RoHS compliant)

X9313ZST1C7975 Description

The Intersil X9313 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled by a 3-wire interface. The potentiometer is implemented by a resistor array composed of 31 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The position of the wiper element is controlled by the CS, U/D, and INC inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation. The device 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
• Signal processing

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