Microchip Technology

MCP3422A5-E/SN  

Analog to Digital Converters

MCP3422A5-E/SN Description

The MCP3422A5-E/SN is a high-performance, 18-bit sigma-delta analog-to-digital converter (ADC) designed by Microchip Technology. This IC is part of the Data Acquisition ICs category and is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. The MCP3422A5-E/SN features a single ADC with two differential inputs, providing precise signal conversion for a wide range of applications. It operates on a supply voltage range of 2.7V to 5.5V for both analog and digital supplies, ensuring compatibility with various power sources. The device communicates via the I2C data interface, facilitating easy integration into systems requiring digital communication.

MCP3422A5-E/SN Features

• High Resolution: The MCP3422A5-E/SN offers an impressive 18-bit resolution, enabling highly accurate signal conversion. This high resolution is particularly beneficial for applications requiring precise measurements.
• Programmable Gain Amplifier (PGA): The integrated PGA allows for signal amplification before conversion, enhancing the dynamic range and making the ADC suitable for low-level signal acquisition.
• Differential Inputs: With two differential inputs, the MCP3422A5-E/SN can effectively reject common-mode noise, improving signal integrity and reliability in noisy environments.
• Internal Reference: The device includes an internal reference voltage, simplifying design and reducing the need for external components.
• Low Sampling Rate: The ADC has a sampling rate of 3.75 samples per second, which is ideal for applications where high-speed sampling is not required but precision is paramount.
• Compliance and Reliability: The MCP3422A5-E/SN is ROHS3 compliant and REACH unaffected, ensuring it meets environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage and handling conditions.

MCP3422A5-E/SN Applications

The MCP3422A5-E/SN is well-suited for applications that demand high precision and accuracy in signal conversion. Some specific use cases include:

• Industrial Automation: In industrial settings, the MCP3422A5-E/SN can be used to accurately measure sensor signals, such as temperature, pressure, and flow rates, contributing to precise control and monitoring systems.
• Medical Devices: For medical equipment, the high resolution and differential inputs of the MCP3422A5-E/SN ensure reliable and accurate signal acquisition, crucial for applications like patient monitoring and diagnostic tools.
• Environmental Monitoring: The device's ability to handle low-level signals with high precision makes it ideal for environmental sensors, such as those measuring air quality, water quality, and soil conditions.
• Precision Measurement Instruments: In laboratory and research settings, the MCP3422A5-E/SN can be integrated into instruments requiring high-precision measurements, such as oscilloscopes and multimeters.

Conclusion of MCP3422A5-E/SN

The MCP3422A5-E/SN stands out in the market due to its combination of high resolution, programmable gain, and differential inputs. These features provide significant advantages over similar models, making it an ideal choice for applications that require precise and reliable signal conversion. Its compliance with environmental and regulatory standards further enhances its appeal. Whether used in industrial automation, medical devices, environmental monitoring, or precision measurement instruments, the MCP3422A5-E/SN delivers exceptional performance and reliability, making it a valuable component for engineers and designers in the electronics industry.

MCP3422A5-E/SN Documents

Download datasheets and manufacturer documentation for MCP3422A5-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 :

Multiple Devices Datasheet Update 18/Aug/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH