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Home » NEWEST Products » New by Manufacturer » Microchip Technology » MCP41HVX1 36V Digital Potentiometers - Microchip
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Microchip MCP41HVX1 36V Digital Potentiometers

Microchip MCP41HVX1 36V Digital Potentiometers

Microchip's MCP41HVX1 36V Digital Potentiometers are devices that have dual power rails (analog and digital). The analog power rail allows high voltage on the resistor network terminal pins. The analog voltage range is determined by the V+ and V– voltages. The maximum analog voltage is +36V, while the operating analog output minimum specifications are specified from either 10V or 20V. As the analog supply voltage becomes smaller, the analog switch resistances increase, which effect certain performance specifications. The system can be implemented as dual rail (±18V) relative to the digital logic ground (DGND).

Features
High-Voltage Analog Support
  • +36V Terminal Voltage Range (DGND = V-)
  • ±18V Terminal Voltage Range (DGND = V- + 18V)
Wide Operating Voltage
  • Analog: 10V to 36V (specified performance)
  • Digital: 2.7V to 5.5V
  • 1.8V to 5.5V (DGND >= V- + 0.9V)
Single Resistor Network
Potentiometer Configuration Options
Resistor Network Resolution
  • 7-bit: 127 Resistors (128 Taps)
  • 8-bit: 255 Resistors (256 Taps)
RAB Resistance Options
  • 5kΩ - 10kΩ
  • 50kΩ - 100kΩ
High Terminal/Wiper Current (IW) Support
  • 25mA (for 5kΩ)
  • 12.5mA (for 10kΩ)
  • 6.5mA (for 50kΩ and 100kΩ)


Zero-Scale to Full-Scale Wiper Operation
Low Wiper Resistance: 75Ω (Typical)
Low Tempco
  • Absolute (Rheostat): 50ppm Typical (0°C to +70°C)
  • Ratiometric (Potentiometer): 15ppm Typical
SPI Serial Interface (10MHz, Modes 0,0 and 1,1)
  • Resistor Network Terminal Disconnect Via
  • Shutdown Pin (SHDN)
  • Terminal Control (TCON) Register
Write Latch (WLAT) Pin to control update of Volatile Wiper Register (such as Zero Crossing)
Power-On Reset / Brown-Out Reset for both
  • Digital Supply (VL/DGND); 1.5V Typical
  • Analog Supply (V+ / V-); 3.5V Typical
Serial Interface Inactive Current (3μA Typical)
500kHz Typical Bandwidth (-3dB) Operation (5.0kΩ Device)
Extended Temperature Range (-40°C to +125°C)
Package Types: TSSOP-14 and QFN-20 (5x5)
Block Diagram
Block Diagram
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  • Microchip Technology