Manufacturer Part Number
MCP4261-104E/ST
Manufacturer
Microchip Technology
Introduction
The MCP4261-104E/ST is a digitally controlled potentiometer featuring Microchip's WiperLock Technology.
Product Features and Performance
Dual digital potentiometer with 257 taps
Linear resistance taper
Non-volatile memory to retain settings
100k Ohms resistance ensures versatility in various circuits
SPI interface for simple digital control
WiperLock Technology to safeguard wiper settings
Supports wide voltage supply range from 1.8V to 5.5V
High-temperature coefficient for stability across temperatures
Tolerates up to ±20% variation in resistance values
Product Advantages
Precision control with 257 position adjustments
Non-volatility ensures persistent settings after power loss
Compatibility with a broad range of supply voltages
Suited for complex temperature-sensitive applications
Capable of interfacing with most microcontrollers
Key Technical Parameters
257 taps for fine adjustment
100k Ohms resistance with ±20% tolerance
SPI digital interface
Temperature coefficient of 150ppm/°C
Supply voltage between 1.8V and 5.5V
Quality and Safety Features
Robust design for operation between -40°C and 125°C
WiperLock™ Technology to maintain wiper position
Compatibility
Supports SPI communication protocol
14-TSSOP mount compatible with standard surface mount processes
Application Areas
Automated industrial controls
Consumer electronics
Automotive systems
Communication systems
Medical instrumentation
Product Lifecycle
Active status, not indicated as nearing discontinuation
Possible future replacements or upgrades subject to Microchip Technology product roadmap
Several Key Reasons to Choose This Product
Fine granularity control with 257 wiper positions for precision applications
Non-volatile memory maintaining settings after power cycles
WiperLock Technology guards against inadvertent wiper adjustments
Broad operating voltage and temperature ranges for versatile deployment
Tried and trusted manufacturer with solid industry reputation
Surface-mount package compatible with modern PCB assembly processes
Reliable performance backed by Microchip Technology’s quality standards