MAX31855NASA+ Integrated Circuits (ICs)

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Thermocouple to Digital Converter
Input Type:	Thermocouple (Multiple)
Output Type:	Digital
Interface:	SPI
Current - Supply:	900µA
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MAX31855

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Introduction

MAX31855NASA+ is an ultra-low power anisotropic magneto-resistive (AMR) sensor interface IC, that enables temperature and humidity measurements to be performed in harsh environmental conditions. The not-so-small package of MAX31855NASA+ packs up a lot of features. It offers excellent temperature stability, low power, fast response time and low cross-sensitivity to external magnetic fields, making it ideal for use in applications such as aerospace, industrial and medical facilities, building automation and more.

Application Fields

MAX31855NASA+ is best suited for applications in which temperature and humidity need to be measured in hostile environments. Due to its high temperature stability, low power and fast response time, MAX31855NASA+ is also well-suited to a variety of commercial applications. The device can be used in any type of environment where temperature and humidity measurements are required. One of the primary applications of MAX31855NASA+ is its use in controlling the environment in data storage systems, such as hard drives and optical discs, where temperature and humidity affects the longevity of the storage system. Other applications where the MAX31855NASA+ can be used include remote temperature and humidity monitoring, building automation, and industrial processing, among many others.

Working Principle

The MAX31855NASA+ is based on an AMR sensing element that utilizes the measure of the relative resistance of the sensing element with respect to temperature and humidity. The device measures changes in resistance in a magnetic field, from which the temperature, humidity, and magnetic field can all be determined.The MAX31855NASA+ is designed to perform measurements in intervals and the measurements can be obtained in a variety of resolutions, ranging from ±0.1 °C to ±5 °C, and ±0.1 %RH to ±1 %RH. In addition, it can be used to detect the presence of a magnetic field and measure its strength.In order to provide accurate and reliable readings, the MAX31855NASA+ incorporates several advanced features. The AMR element is temperature and humidity compensated, ensures first-order temperature linearity, and has low thermal coefficient errors. Additionally, it has a low stability error and features a low noise sample settling time. The device also features a low jitter response when used in multi-sensor environments, which increases accuracy and improves the overall performance of the system.

Conclusion

The MAX31855NASA+ is a highly-sophisticated temperature and humidity sensing solution that offers a reliable, robust and accurate solution for various applications. It is an ideal choice for harsh environmental conditions, and its features make it particularly suitable for commercial and industrial applications. The device is also easy to install and use and offers excellent temperature stability, low power consumption and fast response time.

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