Is the thermocouple a sensor or a transducer
|Maxim Integrated thermocouple-to-digital converter with 1-wire interface enables simpler multi-sensor designs in industrial and medical technology applications|
|The converters from Maxim contain all functions for a complete, high-precision digitization of thermocouple signals|
|PLANEGG, July 10, 2013 - Maxim Integrated Products, Inc. (NASDAQ: MXIM) announces the sampling of the cold-junction-compensated thermocouple-to-digital converters MAX31850 / MAX31851 with 1-Wire® interface. The modules achieve an accuracy of ± 2 ° C (not including the sensor non-linearity). They contain all functions that are required for a thermocouple-to-digital conversion. With the 1-wire interface of the MAX31850 / MAX31851 modules, it is also possible to use a single data line for the communication and power supply of several sensors, which significantly reduces the wiring effort. Designers can use the MAX31850 or MAX31851 to replace multiple discrete components when accurate temperature measurements are required in medical, industrial, or solar applications.|
The digitization of thermocouple signals can be a real challenge, as thermocouples only emit low voltages and require cold junction compensation. The MAX31850 / MAX31851 modules are the industry's first solution that integrates a discrete A / D converter (ADC), a high-precision reference, a temperature sensor for cold junction compensation and a 1-wire bus interface on one chip. The converters can be used with different types of thermocouples. They accelerate the system design, lower the system costs and reduce the number of components. The MAX31850 and MAX31851 detect open circuits and short circuits on the thermocouple, which can lead to incorrect temperature readings or system failures. The error status can be read out by a microcontroller at any time to ensure high availability and avoid expensive repairs.
“Digitizing thermocouple signals poses a particular design challenge, especially when a large number of thermocouples are involved,” says Amy Gebrian, Senior Business Manager of Thermal Management Products at Maxim Integrated. "The MAX31850 and MAX31851 modules significantly reduce the design effort and also minimize the wiring effort, since they combine the complete circuit for digitizing thermocouple signals together with a 1-wire interface in one IC."
“Accurate temperature measurements are critical to industrial and medical equipment,” explains Susie Inouye, Research Director at Databeans. "Products with which temperatures can be measured with high accuracy are therefore becoming increasingly important for these industries."
Availability and prices
1-Wire is a registered trademark of Maxim Integrated Products, Inc. All other trademarks are the property of their respective owners.
|About Maxim Integrated|
At Maxim Integrated, we integrate analog functionality in a way that enables our customers to differentiate themselves from their competitors through product differentiation. In fiscal 2012, Maxim had sales of approximately $ 2.4 billion.
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