Catalog
7-Bit Quad Digital POT w/SPI
Key Features
• * Quad Resistor Network
• * Potentiometer or Rheostat Configuration Options
• * 7-bit: 128 Resistors (129 Taps)
• * 5kΩ
• * 10kΩ
• * 50kΩ
• * 100kΩ
• * Zero Scale to Full Scale Wiper Operation
• * Low Wiper Resistance: 75 Ω (typical)
• * Absolute (Rheostat): 50 ppm typical (0°C to 70°C)
• * Ratiometric (Potentiometer): 15 ppm typical
• * High-Speed Read/Writes to wiper registers
• * Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
• * Reset Input Pin
• * Brown-out Reset Protection (1.5V typical)
• * Serial Interface Inactive Current (2.5 µA typical)
• * High-Voltage Tolerant Digital Inputs: Up to 12.5V
• * Supports Split Rail Applications
• * 2.7V to 5.5V – Device Characteristics Specified
• * 1.8V to 5.5V – Device Operation
• * 2 MHz (typical) for 5.0 kΩ device
• * Extended Temperature Range (-40°C to +125°C)
• * AEC-Q100 Grade 1 quarlified
Description
AI
The MCP433X devices are quad-channel, volatile, 7-bit (129 wiper steps) digital potentiometers with an SPI compatible interface. The MCP433X family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.
