Digital Potentiometer 256POS (MCP4161-103E/P) – Zero Ohm Electronics
Digital Potentiometer 256Pos (Mcp4161-103E/p)

Digital Potentiometer 256POS (MCP4161-103E/P)

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Description:

The Microchip MCP413x, MCP415x, MCP423x and MCP425x range of devices are Digital Potentiometers with a SPI interface and EEPROM memory.

Featured is WiperLock Technology, providing a method of ’locking’ the wiper configuration. To unlock a high-voltage command is required (>8.5 V), protecting the setting during normal operation.

7-bit (129 steps) and 8-bit (257 steps) versions are available in various RAB resistance options from 5 kΩ to 100 kΩ. Further variants also give the choice between Rheostat and Potentiometer pinouts, Single and Dual Resistor Network options are also available.


Specifications:

  • Zero Scale to Full-Scale Wiper Operation
  • Low Wiper Resistance: 75 Ω (typical)
  • Low Temperature Coefficient: Absolute (Rheostat) 50 ppm, Ratiometric (Potentiometer) 15 ppm (typical)
  • Automatic Recall of Saved Wiper Setting
  • WiperLock Technology
  • SPI Serial Interface
  • Resistor Network Terminal Disconnect Feature
  • Brown-Out Reset Protection: 1.5 V (typical)
  • Serial Interface Inactive Current: 2.5 μA (typical)
  • High-Voltage Tolerant Digital Inputs: Up to 12.5 V
  • Supports Split Rail Applications
  • Internal Weak Pull-Up on all Digital Inputs
  • Wide Operating Voltage: 1.8 V to 5.5 V
  • Wide Bandwidth (-3 dB) Operation: 2 MHz for 5.0 kΩ device (typical)


Technical Datasheet:

 


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