Manufacturer Part Number
MCP4351-502E/ST
Manufacturer
Microchip Technology
Introduction
The MCP4351-502E/ST is a digital potentiometer from Microchip Technology, designed for data acquisition applications and housed in a 20-TSSOP package.
Product Features and Performance
Configurable as a potentiometer with 4 circuits
257 tap points for precise control
Lightweight with volatile memory type
Operates on a supply voltage from 1.8V to 5.5V
Supports SPI interface for digital communication
Linear taper for consistent and predictable output
Surface mount design suitable for compact PCB layouts
Product Advantages
Provides high resolution with 257 taps
Wide voltage supply range enhances compatibility with various circuits
SPI interface enables easy integration with digital systems
Linear taper allows for straightforward scaling and adjustments
Key Technical Parameters
Number of Circuits: 4
Number of Taps: 257
Resistance: 5k Ohms
Voltage Supply: 1.8V ~ 5.5V
Tolerance: ±20%
Temperature Coefficient: 150ppm/°C
Operating Temperature: -40°C ~ 125°C
Resistance Wiper (Ohms) (Typ): 75
Quality and Safety Features
High tolerance levels ensuring reliability under varied environmental conditions
Stable performance across a broad temperature range from -40°C to 125°C
Compatibility
Compatible with systems requiring a 1.8V to 5.5V power supply
SPI interface compatible with most microcontrollers for digital communications
Application Areas
Lighting system adjustment
Industrial automation control
Consumer electronics settings
Automotive electronics tuning
Product Lifecycle
Currently in active production
Not nearing discontinuation, with continued manufacturer support and availability
Several Key Reasons to Choose This Product
High resolution with 257 tap points allowing for fine adjustments
Versatile voltage range (1.8V to 5.5V) suitable for multiple application needs
Stability and reliability confirmed by rigorous tolerance and temperature coefficient specifications
SPI interface compatibility enhances ease of integration into existing digital frameworks
Robust construction suited to operate in harsh environmental conditions, ranging from -40°C to 125°C