Microchip Technology

MCP3422A2T-E/SN  

Analog to Digital Converters

MCP3422A2T-E/SN Description

The MCP3422A2T-E/SN is a high-performance, 18-bit sigma-delta analog-to-digital converter (ADC) from Microchip Technology. This IC is designed to provide precise and reliable data conversion with a single A/D converter, making it ideal for applications requiring high accuracy and resolution. The device features a differential input type, which enhances noise immunity and signal integrity, particularly in noisy environments. It operates within a wide supply voltage range of 2.7V to 5.5V for both analog and digital supplies, ensuring compatibility with various power sources.

The MCP3422A2T-E/SN utilizes an I2C data interface, facilitating easy integration with microcontrollers and other digital systems. With a sampling rate of 3.75 samples per second, it balances precision with speed, making it suitable for applications where high accuracy is more critical than ultra-high-speed sampling. The device also includes a programmable gain amplifier (PGA), which allows for flexible signal conditioning and can amplify small input signals for more accurate measurements.

MCP3422A2T-E/SN Features

• High Resolution: 18-bit resolution ensures highly accurate measurements, making it suitable for precision applications.
• Differential Inputs: Two differential inputs provide enhanced noise rejection and signal integrity.
• Wide Supply Voltage Range: Operates from 2.7V to 5.5V for both analog and digital supplies, offering flexibility in power source selection.
• Programmable Gain Amplifier (PGA): Allows for signal conditioning and amplification of small input signals.
• I2C Interface: Simplifies communication with microcontrollers and other digital systems.
• Internal Reference: Provides a stable reference voltage, ensuring consistent performance across different operating conditions.
• Compliance and Reliability: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. The moisture sensitivity level (MSL) is 1 (unlimited), making it suitable for various manufacturing processes.
• Packaging: Available in a surface-mount Tape & Reel (TR) package, facilitating automated assembly processes.

MCP3422A2T-E/SN Applications

The MCP3422A2T-E/SN is well-suited for a variety of applications where high accuracy and precision are paramount. Some specific use cases include:

• Industrial Automation: For precise measurement of sensor outputs in industrial control systems, ensuring accurate process control and monitoring.
• Medical Equipment: In medical devices where high-resolution data acquisition is critical, such as in diagnostic equipment and patient monitoring systems.
• Environmental Monitoring: For accurate measurement of environmental parameters like temperature, humidity, and pressure in weather stations and environmental sensors.
• Precision Instruments: In laboratory and scientific instruments where high accuracy and resolution are essential for reliable data acquisition.

Conclusion of MCP3422A2T-E/SN

The MCP3422A2T-E/SN from Microchip Technology is a robust and versatile 18-bit sigma-delta ADC that offers high accuracy and precision for a wide range of applications. Its differential inputs, programmable gain amplifier, and wide supply voltage range make it an excellent choice for demanding environments. The I2C interface and internal reference further enhance its ease of use and reliability. With its compliance to environmental and regulatory standards, the MCP3422A2T-E/SN is a reliable and future-proof solution for precision data acquisition needs.

MCP3422A2T-E/SN Documents

Download datasheets and manufacturer documentation for MCP3422A2T-E/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

MCP3422-24      

PCN Packaging :

Reel Design Update 07/May/2015       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP3422 Development Tool Selector      

HTML Datasheet :

MCP3422-24      

PCN Design/Specification :

Multiple Devices Datasheet Update 18/Aug/2014       SOIC-8L Copper Bond Wire 18/Dec/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH