Microchip Technology

MCP3422A4T-E/SN  

Analog to Digital Converters

MCP3422A4T-E/SN Description

The MCP3422A4T-E/SN is a high-performance, 18-bit sigma-delta analog-to-digital converter (ADC) designed for precision data acquisition applications. Manufactured by Microchip Technology, this IC offers a single A/D converter with two differential inputs, making it ideal for applications requiring high accuracy and resolution. The device 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.

Featuring an internal reference and programmable gain amplifier (PGA), the MCP3422A4T-E/SN provides enhanced signal conditioning capabilities. The PGA allows for adjustable gain settings, which can be particularly beneficial in applications where input signal levels vary. The device communicates via the I2C interface, facilitating easy integration into systems that utilize this standard communication protocol.

With a sampling rate of 3.75 samples per second, the MCP3422A4T-E/SN balances precision with a moderate throughput rate, making it suitable for applications where high accuracy is prioritized over high-speed sampling. The device is packaged in a surface-mount 8SOIC format, which is both compact and robust, suitable for various industrial and commercial applications.

MCP3422A4T-E/SN Features

• High Resolution: 18-bit resolution ensures precise data acquisition, making it ideal for applications requiring high accuracy.
• Differential Inputs: Two differential inputs provide enhanced noise immunity and signal integrity, crucial for precision measurements.
• Programmable Gain Amplifier (PGA): The integrated PGA allows for adjustable gain settings, accommodating a wide range of input signal levels.
• Internal Reference: The internal reference ensures consistent and reliable performance without the need for an external reference source.
• I2C Interface: The I2C data interface simplifies integration into systems that utilize this standard protocol, reducing design complexity.
• Wide Supply Voltage Range: Operating on a supply voltage range of 2.7V to 5.5V for both analog and digital supplies, the device is versatile and compatible with various power sources.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) ensures the device is suitable for a wide range of environmental conditions.
• Compliance: The MCP3422A4T-E/SN is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.

MCP3422A4T-E/SN Applications

The MCP3422A4T-E/SN is well-suited for a variety of applications that demand high precision and accuracy. Some specific use cases include:

• Industrial Automation: Precision measurement of analog signals in industrial control systems, ensuring accurate feedback and control.
• Medical Equipment: High-resolution data acquisition in medical devices, such as patient monitoring equipment, where precision is critical.
• Environmental Monitoring: Accurate measurement of environmental parameters like temperature, pressure, and humidity in monitoring systems.
• Scientific Instruments: Use in laboratory equipment where high-precision data acquisition is essential for accurate measurements and analysis.
• Automotive Systems: Precision measurement of various automotive parameters, contributing to improved system performance and safety.

Conclusion of MCP3422A4T-E/SN

The MCP3422A4T-E/SN from Microchip Technology is a robust and versatile 18-bit sigma-delta ADC designed for precision data acquisition. Its high resolution, differential inputs, and programmable gain amplifier make it an excellent choice for applications requiring high accuracy and reliability. The device's compatibility with a wide range of power sources and its I2C interface further enhance its usability. With its compliance to environmental and safety standards, the MCP3422A4T-E/SN is an ideal solution for a variety of industrial, medical, and scientific applications.

MCP3422A4T-E/SN Documents

Download datasheets and manufacturer documentation for MCP3422A4T-E/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

MCP3422-24      

PCN Packaging :

Reel Design Update 07/May/2015       Packing Changes 10/Oct/2016      

Design Resources :

MCP3422 Development Tool Selector      

HTML Datasheet :

MCP3422-24      

PCN Design/Specification :

Multiple Devices Datasheet Update 18/Aug/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH