MCP4661-103E/ST - Microchip Technology

Manufacturer Part Number

MCP4661-103E/ST

Manufacturer

Microchip Technology

Introduction

Digital Potentiometer used for precision resistance tuning in electronic circuits

Product Features and Performance

Linear Taper for proportional adjustment

Dual Potentiometer Configuration for multiple adjustments

257 Taps for fine resolution

10k Ohms Resistance suitable for various circuits

I2C Interface for digital communication

Non-Volatile Memory retains settings

Selectable Address for use on multi-device I2C bus

Surface Mount 14-TSSOP Package suited for compact PCB designs

Product Advantages

Wide voltage supply range (1.8V to 5.5V) enhances versatility

Non-volatile memory ensures persistence of settings

Mute feature provides additional control

Fine adjustment with 257 taps

Selectable I2C address allows multiple devices on the same bus

High-temperature operation (-40°C to 125°C)

Key Technical Parameters

Dual Circuit Configuration

257 Taps per Circuit

10k Ohms Resistance

±20% Tolerance

150ppm/°C Temperature Coefficient

75 Ohms Wiper Resistance typical

8V ~ 5.5V Supply Voltage

Quality and Safety Features

High-temperature performance

Robust Surface Mount Package

Industry-standard TSSOP form factor

Compatibility

Compatible with I2C communication protocol

Accommodates various power supplies (1.8V ~ 5.5V)

Application Areas

Consumer Electronics

Industrial Control Systems

Automotive Systems

Communication Equipment

Medical Devices

Product Lifecycle

Active status (not near discontinuation)

Support and replacements are likely to be available

Several Key Reasons to Choose This Product

The MCP4661 offers precise resistance adjustment with 257 taps

Dual independent potentiometers for versatile control schemes

High reliability and retention of settings with non-volatile memory

Flexible I2C interface allows for easy integration into digital systems

Wide operating voltage and temperature range for diverse applications

Selectable address enables use in complex systems with multiple digital potentiometers