Document
MCP453X/455X/463X/465X
7/8-Bit Single/Dual I2C Digital POT with Volatile Memory
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: - 5 k - 10 k - 50 k - 100 k • Zero-Scale to Full-Scale Wiper Operation • Low Wiper Resistance: 75 (typical) • Low Tempco: - Absolute (Rheostat): 50 ppm typical
(0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical • I2C Serial Interface - 100 kHz, 400 kHz and 3.4 MHz Support • Serial Protocol Allows: - High-Speed Read/Write to Wiper - Increment/Decrement of Wiper
• Resistor Network Terminal Disconnect Feature via the 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 • Wide Operating Voltage:
- 2.7V .