MCP4461-503E/ST - Microchip Technology

Manufacturer Part Number

MCP4461-503E/ST

Manufacturer

Microchip Technology

Introduction

The MCP4461-503E/ST is a digital potentiometer integrated with WiperLock™ Technology, designed primarily for data acquisition and control applications.

Product Features and Performance

Four programmable potentiometer circuits

257 taps per potentiometer

WiperLock™ Technology to prevent unintended wiper movement

Linear taper configuration

I2C interface for digital communication

Non-volatile memory retains settings without power

Selectable address feature allows multiple devices on the same bus

Operating voltage range from 1.8V to 5.5V

Product Advantages

Precise resistance calibration with ±20% tolerance

High temperature stability with a coefficient of 150ppm/°C

Supports a wide operational temperature range from -40°C to 125°C

Key Technical Parameters

Resistance: 50k Ohms

Number of Circuits: 4

Interface: I2C

Memory Type: Non-Volatile

Voltage Supply: 1.8V to 5.5V

Temperature Coefficient: 150ppm/°C

Quality and Safety Features

Robust surface mount package (20-TSSOP)

Wiper resistance of typical 75 Ohms ensures durability under varying conditions

Compatibility

Compatible with standard I2C protocol systems

Can be integrated with multiple devices due to selectable address feature

Application Areas

Industrial controls

Automotive systems

Communication devices

Consumer electronics

Product Lifecycle

Currently in active production

No known discontinuation planned, ensuring long-term availability

Several Key Reasons to Choose This Product

High precision and stability suitable for critical applications

Flexible interfacing with I2C communication

Wide operating voltage and temperature range accommodate diverse environments

Non-volatile memory enhances usability in applications requiring power-off memory retention

Compact and robust TSSOP packaging suitable for dense circuit designs