Microchip Technology

MCP3550-50E/MS  

Analog to Digital Converters

MCP3550-50E/MS Description

The MCP3550-50E/MS from Microchip Technology is a high-precision 22-bit Sigma-Delta Analog-to-Digital Converter (ADC) designed for applications demanding ultra-low noise and high-resolution signal acquisition. Packaged in an 8-pin MSOP, this single-channel ADC features a differential input and operates over a wide analog and digital supply range of 2.7V to 5.5V, making it suitable for both low-power and standard voltage systems. With a sampling rate of 15 samples per second (SPS), it excels in precision measurement scenarios where accuracy outweighs speed. The device communicates via SPI interface, ensuring seamless integration with microcontrollers and digital systems.

MCP3550-50E/MS Features

• 22-bit resolution for ultra-high precision in low-frequency signal acquisition.
• Differential input reduces common-mode noise, enhancing signal integrity.
• Wide supply voltage range (2.7V–5.5V) supports flexible power configurations.
• Low-power operation ideal for battery-powered and portable devices.
• External reference voltage allows customization for specific accuracy requirements.
• SPI-compatible interface ensures easy interfacing with most microcontrollers.
• RoHS3 compliant and REACH unaffected, meeting stringent environmental regulations.
• Moisture Sensitivity Level (MSL) 1, suitable for extended storage and handling.

MCP3550-50E/MS Applications

The MCP3550-50E/MS is ideal for high-precision industrial, medical, and instrumentation applications, including:

• Weigh scales and strain gauge systems requiring stable, low-noise ADC performance.
• Temperature and pressure sensors in industrial automation.
• Portable medical devices such as blood glucose monitors and ECG equipment.
• Data acquisition systems where differential inputs mitigate noise in harsh environments.
• Energy metering applications demanding long-term accuracy.

Conclusion of MCP3550-50E/MS

The MCP3550-50E/MS stands out as a high-resolution, low-noise ADC with robust performance in precision-critical applications. Its differential input, wide voltage range, and SPI interface make it a versatile choice for designers seeking reliability in industrial, medical, and portable systems. Compared to lower-resolution ADCs, its 22-bit Sigma-Delta architecture ensures superior accuracy, while its compact MSOP package saves board space. For engineers prioritizing signal integrity and low-power operation, this ADC delivers an optimal balance of performance and efficiency.

MCP3550-50E/MS Documents

Download datasheets and manufacturer documentation for MCP3550-50E/MS

PCN Assembly/Origin :

Mult Devices 28/Nov/2017      

Datasheets :

MCP3550/1/3      

PCN Packaging :

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

Design Resources :

MCP3550-50 Development Tool Selector      

HTML Datasheet :

MCP3550/1/3      

PCN Design/Specification :

MCP355Y Datasheet Update 14/Aug/2014       Bond Wire Qualification 08/Jun/2016      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH