MCP4661-502E/ST - Microchip Technology

Manufacturer Part Number

MCP4661-502E/ST

Manufacturer

Microchip Technology

Introduction

The MCP4661-502E/ST is a dual digital potentiometer that integrates memory and configuration features within a compact 14-TSSOP package, designed by Microchip Technology for precise resistance tuning in applications requiring data acquisition and adjustment.

Product Features and Performance

Dual digitally controlled potentiometers

Resistor Network Type: Linear Taper

Total Resistance: 5k Ω

Number of Taps: 257 providing high-resolution adjustments

Integrated I2C interface for communication

Non-Volatile Memory maintains settings during power-off

Selectable Address feature allows multiple devices on the same bus

Temperature Coefficient of 150ppm/°C ensures stability over temperature changes

Product Advantages

Commands via I2C allow modular design simplification

Selectable addressing supports using multiple units without additional components

Non-volatile memory retains settings without power

Key Technical Parameters

Resistance: 5k Ω

Supply Voltage: 1.8V ~ 5.5V

Memory Type: Non-Volatile

Operating Temperature Range: -40°C ~ 125°C

Number of Circuits: 2

Mounting Type: Surface Mount, 14-TSSOP

Wiper Resistance (Typical): 75 Ω

Quality and Safety Features

Operates effectively across a wide temperature range of -40°C to 125°C

Designed for robust handling with surface mount packaging

Compatibility

Compatible with systems requiring I2C protocol for digital potentiometers

Application Areas

Consumer Electronics

Industrial Automation

Data Acquisition Systems

Communication Systems

Product Lifecycle

Status: Active (Not nearing discontinuation and replacements or upgrades should remain available)

Several Key Reasons to Choose This Product

Precision Resistance Tuning with 257 taps and 5k Ω resistance

High Degree of Customization due to the dual potentiometers with independent configurations

Stable Performance provided by a low temperature coefficient (150ppm/°C)

Robust Functionality over wider operating temperature range (-40°C to 125°C) and voltage supply range (1.8V to 5.5V)

Easy Integration in complex designs due to the I2C interface and selectable addressing