Announcing the MCP391xB Series: Enhanced Analog Front Ends for Reliable, Low-Power Performance
Discover the new MCP391xB Analog Front Ends—engineered for lower power, robust reliability and seamless upgrades, delivering precision and efficiency for modern designs.
We are excited to introduce the new MCP391xB series of Analog Front Ends (AFEs), featuring six new devices. These AFEs build on the proven performance of the original MCP391x family, now with key improvements that deliver improved efficiency. They pair perfectly with our PIC32 series of microcontrollers (MCUs), forming complete power metering and monitoring solutions.
What’s New in the MCP391xB Series?
The MCP391xB AFEs are designed for precision signal acquisition in a wide range of applications, including energy metering, industrial automation and medical instrumentation. The new “B” variants incorporate enhancements which noticeably reduce the power required for dependable performance when compared to the original MCP391x devices.
Key Benefits
- Lower Power Consumption: The MCP391xB devices require less power, making them suitable for energy-sensitive applications and extending system battery life.
- Drop-in Replacement: The new AFEs maintain pin compatibility and functional equivalence with their predecessors, simplifying upgrades and design transitions.
- Errata Fixes: All known issues from the previous generation have been resolved, providing robust and predictable operation.
Device Overview
Below is a quick reference table summarizing the number of channels and package options available for each MCP391xB device:
Device |
Number of ADC |
Package Types |
MCP3910B |
2 |
20-lead SSOP, 20-lead UQFN |
MCP3912B |
4 |
28-lead SSOP, 28-lead UQFN |
MCP3913B |
6 |
28-lead SSOP, 40-lead UQFN |
MCP3914B |
8 |
40-lead UQFN |
MCP3918B |
1 |
20-lead SSOP, 20-lead UQFN |
MCP3919B |
3 |
28-lead SSOP, 28-lead UQFN |
Please refer to the product datasheet for the most accurate and up-to-date specifications.
Applications
- Smart energy meters
- Industrial process control
- Medical monitoring equipment
- Data acquisition systems
- EV charging
Why Upgrade to MCP391xB?
By addressing the errata and optimizing power efficiency, the MCP391xB series offers a compelling solution for designers seeking reliable, high-performance analog front ends. Whether you are developing new products or upgrading existing designs, these devices provide a seamless path to improved system reliability and energy savings.
Learn More
For detailed specifications, application notes and migration guides, visit the MCP391xB product pages or contact your Microchip representative.