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Written by Administrator
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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)......
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