Digital potentiometer, 1-channel, 257 steps, 100 kOhm, DIP-8

7/8-Bit Single/Dual SPI Digital POT with Volatile Memory

Description
The MCP41XX and MCP42XX devices offer a wide range of product offerings using an SPI interface. This family of devices support 7-bit and 8-bit resistor networks, and Potentiometer and Rheostat pinouts.

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)
- RAB Resistances options of:
- 5kO
- 10kO
- 50kO
- 100 kO
- Zero Scale to Full-Scale Wiper operation
- Low Wiper Resistance: 75O (typical)
- 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 typical)
- 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 (typical) for 5.0 kO device
- Extended temperature range (-40°C to +125°C)