Manufacturer Part Number
MCP4451-503E/ST
Manufacturer
Microchip Technology
Introduction
A multi-channel digital potentiometer with I2C interface ideal for applications requiring precision calibration and adjustment.
Product Features and Performance
Linear taper configuration
Offers four programmable potentiometer circuits
257 resistive taps for fine adjustment
Integrated mute function
Selectable I2C address for use with multiple devices
Volatile memory type
Product Advantages
High precision with a tolerance of ±20%
Wide temperature range for operation in extreme conditions
Small 20-TSSOP package for space-saving applications
Selectable address enables multiple devices on the same bus
Key Technical Parameters
Resistance: 50k Ohms
Number of Circuits: 4
Voltage Supply Range: 1.8V to 5.5V
Temperature Coefficient: 150ppm/°C
Wiper Resistance: 75 Ohms typical
Quality and Safety Features
Operational from -40°C to +125°C ensuring reliability in varied environments
Compatibility
Compatible with I2C protocol for easy integration into digital systems
Surface mount 20-TSSOP package widely used in industry
Application Areas
Precision calibration in industrial systems
Volume control in audio equipment
Adjustable power supplies and regulators
Product Lifecycle
Current Status: Active
Considerations for future: Regularly check for updates on longevity and new generations or replacements.
Several Key Reasons to Choose This Product
Highly configurable with four separate channels for multi-use cases
Increased system reliability through high tolerance and wide operating temperature range
Ease of design with linear taper and versatile supply voltage range
Enhanced user control with mute feature and up to 257 adjustable taps for precise settings