MCP4231-103E/SL - Microchip Technology

Manufacturer Part Number

MCP4231-103E/SL

Manufacturer

microchip-technology

Introduction

The MCP4231-103E/SL is a digital potentiometer, part of microchip-technology's portfolio of data acquisition systems, designed for precision resistance adjustment.

Product Features and Performance

Linear taper for precise adjustments

Dual potentiometer configuration

Offering 129 taps for fine resolution

10k Ohm resistance with SPI interface for digital control

Supports volatile memory

Operates on a wide voltage range (1.8V to 5.5V)

Surface mount design in a 14-SOIC package

Operational over a wide temperature range (-40°C to 125°C)

Typical wiper resistance is 75 Ohms

Product Advantages

Precision control over resistance allows for accurate signal manipulation

Dual circuit integration can save space and reduce cost in designs

Broad compatibility with microcontroller units thanks to SPI communication

Wide operating voltage and temperature ranges make it suitable for various environments

Compact footprint for ease of integration into space-limited applications

Key Technical Parameters

Number of Circuits: 2

Number of Taps: 129

Resistance: 10k Ohms

Interface: SPI

Voltage Supply: 1.8V ~ 5.5V

Temperature Coefficient: 150ppm/°C

Operating Temperature: -40°C ~ 125°C

Tolerance: ±20%

Quality and Safety Features

High temperature operational capability ensures reliability under thermal stress

Consistent performance with a temperature coefficient of 150ppm/°C

Compatibility

SPI interface ensures compatibility with a wide range of microcontrollers and digital systems

Suited for surface mount technology (SMT) assembly processes

Application Areas

Consumer electronics volume control

Industrial control system adjustments

Automotive systems for sensor calibration

Communication devices for impedance matching

Product Lifecycle

Currently active product, not nearing discontinuation

Availability of replacements or upgrades should be monitored through microchip-technology resources

Several Key Reasons to Choose This Product

High level of precision and control in resistance adjustments

Dual-channel design offers versatility in applications

Extensive operating conditions range suitable for harsh environments

Ease of integration with digital systems through SPI interface

Proven manufacturer with a track record for quality and reliability