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特性

  • 1024 resistor taps – 10-bit resolution
  • 2-Wire serial interface for write, read, and transfer operations of the potentiometer
  • Wiper resistance, 40Ω typical at VCC = 5V
  • Four nonvolatile data registers
  • Nonvolatile storage of multiple wiper positions
  • Power-on recall, loads saved wiper position on power-up.
  • Standby current <3μA maximum
  • VCC: 2.7V to 5.5V operation
  • 100kΩ end-to-end resistance
  • 100 yr. data retention
  • Endurance: 100,000 data changes per bit per register
  • 14 Ld TSSOP
  • Low power CMOS
  • Single supply version of the X9118
  • Pb-free (RoHS compliant)

描述

The X9119 integrates a single digitally controlled potentiometer (XDCP™) on a monolithic CMOS integrated circuit. The digital controlled potentiometer is implemented using 1023 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the 2-wire bus interface. The potentiometer has associated with it a volatile Wiper Counter Register (WCR) and four nonvolatile data registers that can be directly written to and read by the user. The contents of the WCR controls the position of the wiper on the resistor array through the switches. Power-up recalls the contents of the default data register (DR0) to the WCR. The XDCP™ can be used as a 3-terminal potentiometer or as a 2-terminal variable resistor in a wide variety of applications including control, parameter adjustments and signal processing.

Part NumberStatusSamplesStockRoHSPackageCarrier TypeMOQ
X9119TV14IZObsoleteN/AOut of StockRoHS:EN
TSSOPTube380
X9119TV14IZ-2.7ObsoleteN/AOut of StockContactTSSOPTube380
X9119TV14IZ-2.7T1ObsoleteN/AOut of StockContactTSSOPReel2500
X9119TV14ZObsoleteN/AOut of StockRoHS:EN
TSSOPTube380
X9119TV14Z-2.7ObsoleteN/AOut of StockContactTSSOPTube380
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