MCP3422A0-E/MS - Microchip Technology

Manufacturer Part Number

MCP3422A0-E/MS

Manufacturer

Microchip Technology

Introduction

High-precision ADC for complex data acquisition systems

Product Features and Performance

18-bit resolution

Sampling rate of 3.75 samples per second

2 differential input channels

I2C data interface for easy communications

Integrated MUX, PGA, and ADC for compact design

Sigma-Delta architecture for high noise rejection

Internal voltage reference ensures stable measurements

Programmable Gain Amplifier for signal amplification

Wide operating temperature range from -40°C to 125°C

Product Advantages

High-resolution ADC enhances measurement accuracy

Low sampling rate suitable for low-speed applications

Differential inputs reduce common-mode noise

I2C interface simplifies system integration

Internal reference reduces external component count

Programmable gain for accommodating various signal levels

Robust temperature range for industrial applications

Key Technical Parameters

Number of Bits: 18

Sampling Rate: 3.75 sps

Number of Inputs: 2 (Differential)

Data Interface: I2C

Voltage Supply Range: 2.7V to 5.5V (Analog and Digital)

PGA Feature: Included

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Robust operating temperature range for thermal reliability

High-resolution ADC for accurate data acquisition

Sigma-Delta architecture enhancing noise tolerance

Compatibility

Compatible with I2C protocol for wide-ranging MCU/MPU connectivity

Application Areas

Industrial measurement systems

Data logging equipment

Medical instrumentation

Portable devices and IoT sensors

Product Lifecycle

Active status product with continuous manufacturer support

Long-term availability typically assured for industrial components

Several Key Reasons to Choose This Product

High precision and resolution offer detailed measurement capabilities

Versatile input and programmable gain suitable for various sensors

Wide voltage supply range enabling usage in many power environments

Robust package and temperature rating ideal for harsh industrial conditions

Minimal additional components needed due to internal reference and PGA

Microchip's reputation for quality and long-term support reduces risks in product development