Microchip推出MCP413X/415X/423X/425X

MCP413X/415X/423X/425X
Features

• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution

• 7-bit: 128 Resistors (129 Steps)
• 8-bit: 256 Resistors (257 Steps)
  *R Resistances options of:
  AB
  -5kΩ
  -10kΩ
  -50kΩ
• 100 kΩ

• Zero Scale to Full Scale Wiper operation
• Low Wiper Resistance: 75Ω (typ.)
• Low Tempco:

• Absolute (Rheostat): 50 ppm typical
  (0°C to 70°C)
• Ratiometric (Potentiometer): 15 ppm typical

• SPI Serial Interface (10 MHz, modes 0,0 & 1,1)

• High-Speed Read/Writes to wiper registers
• SDI/SDO multiplexing (MCP41X1 only)

• Resistor Network Terminal Disconnect Feature
  via:

• Shutdown pin (SHDN)
• Terminal Control (TCON) Register

• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typ.)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs
• Wide Operating Voltage:

• 2.7V to 5.5V - Device Characteristics
  Specified
• 1.8V to 5.5V - Device Operation

• Wide Bandwidth (-3 dB) Operation:

• 2 MHz (typ.) for 5.0 kΩ device

• Extended temperature range (-40°C to +125°C)……