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特性

  • Quad - 4 Separate Pots, 64 Taps/Pot
  • Nonvolatile Storage of Wiper Position
  • Four Nonvolatile Data Registers for Each Pot
  • 16-bytes of EEPROM Memory
  • SPI Serial Interface
  • RTOTAL = 10kΩ
  • Wiper Resistance = 150Ω Typical
  • Standby Current < 3µA (Total Package)
  • Operating Current < 700µA max.
  • VCC = 2.7V to 5V
  • 24 Ld SOIC and 24 Ld TSSOP Package
  • 100 year Data Retention
  • Pb-Free Available (RoHS Compliant)

描述

The X9401 integrates 4 digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit. The digitally controlled potentiometer is implemented using 64 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 SPI bus interface. Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 nonvolatile Data Registers (DR0:DR3) 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 DR0 to the WCR. The XDCP 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, and signal processing.

产品参数

属性
Resistance TaperLinear
Taps (#)64
Resistance Options (kΩ)10
Channels (#)4
InterfaceSPI
Memory TypeNonvolatile
Vcc (V)2.7 to 5.5
Supply Current Icc (µA)3
Single Supply Voltage Range (V)5.5
Wiper Current (mA)6
Wiper Resistance (ohms)150
VL Terminal Voltage (Max) (V)5.5
End-to-End Temperature Coefficient (ppm/°C)300
Middlepoint Ratiometric Tempco20
Qualification LevelStandard

封装选项

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
SOICW15.4 x 7.5 x 0.00241.3
TSSOP7.8 x 4.4 x 0.90240.7
Part NumberStatusSamplesStockPackageBudgetary Price (USD)Carrier TypeMoisture Sensitivity Level (MSL)Country of AssemblyCountry of Wafer Fabrication
X9401WS24IZ-2.7ActiveAvailableIn StockSOICW1ku | $19.22Tube3MALAYSIAUSA
X9401WS24IZ-2.7T1ActiveN/AOut of StockSOICW1ku | $19.22Reel3MALAYSIAUSA
X9401WV24IZ-2.7ActiveAvailableOut of StockTSSOP1ku | $25.04Tube3MALAYSIAUSA
X9401WV24IZ-2.7T1ActiveN/AOut of StockTSSOP1ku | $25.04Reel3MALAYSIAUSA
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