MCP3421A0T-E/CH - Microchip Technology

Manufacturer Part Number

MCP3421A0T-E/CH

Manufacturer

Microchip Technology

Introduction

The MCP3421A0T-E/CH is a high-precision 18-bit Analog to Digital Converter (ADC) featuring an integrated Programmable Gain Amplifier (PGA) and an I2C interface, packaged in a compact SOT-23-6 form.

Product Features and Performance

18-bit resolution

Sampling Rate of 3.75 samples per second

Single differential input

Sigma-Delta architecture

Internal reference voltage

Programmable Gain Amplifier included

I2C interface supported

Operates with both analog and digital 2.7V to 5.5V power supply

Product Advantages

High-resolution ADC ideal for precision sensing and data acquisition

Integrated PGA reduces external component count

Compact size ideal for space-constrained applications

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

Key Technical Parameters

Number of Bits: 18

Sampling Rate: 3.75 samples/second

Number of Inputs: 1

Input Type: Differential

Configuration: PGA-ADC

Voltage - Supply, Analog: 2.7V to 5.5V

Voltage - Supply, Digital: 2.7V to 5.5V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Robust operation in extreme temperatures from -40°C to 125°C

Precision components manufactured under strict quality control

Compatibility

Compatible with systems requiring I2C interface for ADC

Flexible power compatibility (2.7V to 5.5V for both analog and digital supply)

Application Areas

Industrial automation

Temperature sensing

Medical equipment monitoring

System voltage and current monitoring

Product Lifecycle

Active Product Status

Continued support and production confirmed; not nearing discontinuation

Several Key Reasons to Choose This Product

High resolution of 18-bits for precise data acquisition

Built-in PGA simplifies system design by minimizing the need for external amplification

Broad supply voltage range provides design flexibility for both battery-powered and line-powered systems

Extremely durable with guaranteed operation from -40°C to 125°C

Compact SOT-23-6 package suitable for size-sensitive applications

Straightforward integration with existing I2C communication systems