S-5844A77DA-I4T1U3

Series:	S-5844A
Packaging:	Tape & Reel (TR)
Part Status:	Active
Trip Temperature Threshold:	--
Accuracy:	±2.5°C
Current - Output (Max):	10mA
Output Type:	Open Drain
Output Function:	/OverTemp
Selectable Hysteresis:	No
Features:	--
Voltage - Supply:	1.65V ~ 5.5V
Current - Supply:	180nA
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	4-SMD, Flat Leads
Supplier Device Package:	SNT-4A

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Introduction to S-5844A77DA-I4T1U3 Temperature Sensor

Temperature sensors are key components in many electronics applications, as they are used to measure and control temperatures accurately and reliably. The S-5844A77DA-I4T1U3 temperature sensor from ALTRON is a high-performance, solid-state device that has been designed to provide reliable and accurate temperature measurements and control in a wide range of applications.

Application Field

The S-5844A77DA-I4T1U3 temperature sensor is suitable for use in a wide variety of applications requiring temperature measurement and control, such as medical, industrial, scientific, automotive, and more. It is capable of measuring temperatures between -40°C and 115°C with an accuracy of ± 0.1°C. It is mainly used in applications requiring precise temperature measurement and control, such as in medical imaging or tissue sensors, for environmental monitoring, for data centers and HVAC systems, and many more. Additionally, it is also useful in applications that require long-term operation with little maintenance as it is capable of stand-by operations and has low current consumption. The sensor offers a wide operating temperature range, making it suitable for use in harsh conditions. It is equipped with an adjustable 10 k-ohm thermistor and a self-calibrating voltage reference for more precise temperature readings.

Working Principle

The S-5844A77DA-I4T1U3 temperature sensor works based on the principle of solid-state thermistry, which utilizes the Seebeck effect. The Seebeck effect is a phenomenon in which two dissimilar materials generate an electrical voltage when subjected to a temperature gradient. In the S-5844A77DA-I4T1U3, two dissimilar materials are contained within the device, one of which is the NTC thermistor. The other material is a self-calibrating voltage reference, which interacts with the NTC thermistor to generate a voltage signal that is directly proportional to the temperature. This voltage signal is then read by the device’s integrated analog-to-digital converter and sent to the processor, where it is converted into a digital output.

Conclusion

The S-5844A77DA-I4T1U3 temperature sensor is a solid state device designed for use in a variety of demanding applications requiring accurate and reliable temperature control. It features a wide temperature range, a 10 k-ohm adjustable thermistor, and a self-calibrating voltage reference for precision in temperature readings. Additionally, it has low current consumption and can be used in stand-by operations. The device works based on the principle of solid-state thermistry, which uses the Seebeck effect to generate a voltage signal that is proportional to the temperature.

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