Manufacturer Part Number
MCP4651-503E/ST
Manufacturer
Microchip Technology
Introduction
The MCP4651-503E/ST is a digital potentiometer integrated circuit designed for data acquisition and control applications, providing precision resistance adjustments.
Product Features and Performance
Dual Potentiometer Configuration
257 Taps per Potentiometer
50k Ohms Resistance
Linear Taper
Volatile Memory Type
Selectable I2C Addressing
Operates from 1.8V to 5.5V Supply Voltage
Features Mute Function
Product Advantages
Enhances control stability through lightweight system resource usage
Allows for easy integration with general-purpose I2C communication
Key Technical Parameters
Number of Circuits: 2
Number of Taps: 257
Resistance: 50k Ohms
Voltage - Supply: 1.8V ~ 5.5V
Tolerance: ±20%
Temperature Coefficient: 150ppm/°C
Operating Temperature: -40°C ~ 125°C
Resistance - Wiper (Ohms) Typical: 75
Quality and Safety Features
Robust operation over wide temperature range (-40°C to 125°C)
Built to withstand tolerance variations up to ±20%
Compatibility
Compatible with various microcontrollers via standard I2C interface
Surface Mount TSSOP-14 packaging for PCB integration
Application Areas
Volume and brightness control settings in consumer electronics
Calibration and buffer control in measurement equipment
Feedback systems in automotive and robotics
Product Lifecycle
The product is currently active and not nearing discontinuation. Ongoing support and production supply are available, with potential future updates or replacements.
Several Key Reasons to Choose This Product
Precision control enabled through a high-resolution 257-position wiper
Flexible supply voltage compatibility from 1.8V to 5.5V
Effective in broad range of temperatures ensuring stability in various environments
Dual potentiometer integration for handling different adjustments simultaneously
Communication flexibility through selectable I2C addressing