Microchip Technology

MCP3422A3-E/SN  

Analog to Digital Converters

MCP3422A3-E/SN Description

The MCP3422A3-E/SN is a high-performance, 18-bit sigma-delta analog-to-digital converter (ADC) designed by Microchip Technology. This device features a single A/D converter with two differential inputs, making it ideal for precision measurement applications. It operates on a supply voltage range of 2.7V to 5.5V for both analog and digital supplies, ensuring compatibility with a wide range of power sources. The MCP3422A3-E/SN utilizes an I2C data interface, facilitating easy integration into various systems.

This ADC is equipped with an internal reference and programmable gain amplifier (PGA), enhancing its versatility and accuracy. The device has a sampling rate of 3.75 samples per second, providing precise and reliable data acquisition. The MCP3422A3-E/SN is housed in a surface-mount 8SOIC package, suitable for compact and space-constrained designs. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.

MCP3422A3-E/SN Features

• High Resolution: 18-bit resolution ensures precise data acquisition, making it suitable for applications requiring high accuracy.
• Programmable Gain Amplifier (PGA): The integrated PGA allows for flexible gain settings, enhancing the ADC's ability to handle a wide range of input signals.
• Differential Inputs: Two differential input channels provide enhanced noise immunity and signal integrity, crucial for high-precision measurements.
• Internal Reference: The internal reference ensures consistent performance without the need for an external reference source.
• I2C Interface: The I2C data interface simplifies communication and integration with microcontrollers and other digital systems.
• Wide Supply Voltage Range: Operates on a supply voltage range of 2.7V to 5.5V for both analog and digital supplies, providing flexibility in power source selection.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring the device meets environmental and regulatory standards.

MCP3422A3-E/SN Applications

The MCP3422A3-E/SN is ideal for a variety of applications that require high-precision data acquisition and measurement. Some specific use cases include:

• Industrial Automation: Precision measurement of temperature, pressure, and other process variables.
• Medical Equipment: Accurate and reliable data acquisition for medical devices such as blood glucose monitors and patient monitoring systems.
• Environmental Monitoring: High-resolution measurement of environmental parameters like temperature, humidity, and air quality.
• Scientific Instruments: Data acquisition in laboratory settings for precise measurements and experiments.
• Energy Management: Monitoring and control of energy consumption in smart grids and industrial systems.

Conclusion of MCP3422A3-E/SN

The MCP3422A3-E/SN is a versatile and high-performance 18-bit sigma-delta ADC that offers a combination of precision, flexibility, and ease of integration. Its programmable gain amplifier, differential inputs, and internal reference make it an ideal choice for applications requiring high accuracy and reliability. The device's wide supply voltage range, I2C interface, and environmental compliance further enhance its suitability for a broad range of industrial, medical, and scientific applications. With its robust feature set and high performance, the MCP3422A3-E/SN stands out as a reliable solution for precision data acquisition needs.

MCP3422A3-E/SN Documents

Download datasheets and manufacturer documentation for MCP3422A3-E/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

MCP3422-24      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP3422 Development Tool Selector      

HTML Datasheet :

MCP3422-24      

PCN Design/Specification :

SOIC-8L Copper Bond Wire 18/Dec/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH