DS18S20+

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensor Type:	Digital, Local
Sensing Temperature - Local:	-55°C ~ 125°C
Sensing Temperature - Remote:	--
Output Type:	1-Wire®
Voltage - Supply:	3 V ~ 5.5 V
Resolution:	8 b
Features:	Programmable Limit, Standby Mode
Accuracy - Highest (Lowest):	±0.5°C (±2°C)
Test Condition:	-10°C ~ 85°C (-55°C ~ 125°C)
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92-3

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Temperature Sensors - Analog and Digital OutputTemperature sensors come in many forms and have many applications. DS18S20+ is a temperature sensor from Maxim Integrated that uses a standard protocol to provide accurate temperature readings while consuming very low power. It can be used in a variety of applications ranging from medical thermometers to automotive cooling systems.The DS18S20+ features a +/- 0.5°C accuracy over a temperature range of -55°C to +125°C [-67°F to +257°F]. It supports a variety of communication protocols, including the one-wire bus, which requires only one wire for communication. The benefit of using this protocol is that the device can be easily integrated into other systems without the need for special communications wiring or protocol handling.In terms of its physical properties, the DS18S20+ has an operating supply voltage of 3.0V to 5.5V, a thermal resistance accuracy of 2.2 mW/°C, a total power consumption of 50 mW, and a configurable resolution up to 16 bits. It also features a number of programmable features such as programmable alarm thresholds, pull-up resistor control, and programmable alert outputs. All of these features make the DS18S20+ an ideal choice for applications such as medical thermometry, electronics cooling, HVAC/R systems, environmental monitoring systems, industrial control, and automotive systems.The working principle of the DS18S20+ is based on its thermostatic principle. It uses a resistance element to measure the temperature and converts it into a digital signal by means of an integrated analog-to-digital converter (ADC). According to this principle, when the thermal energy changes, the resistance of the element also changes. By measuring the resistance, the temperature can be determined and a signal can be generated. An ADC is used to convert the analog signal generated by the resistance element into a digital signal, which is then transferred to the microcontroller for further processing.In addition to its high accuracy and resolution, the DS18S20+ also has a few other features that make it ideal for various precision temperature sensing applications. It is designed to consume very low power and its low temperature coefficient results in a higher precision measurement even at lower temperatures. Furthermore, the built-in filtering circuit ensures that the signal is free from any noise, thus making it more reliable. The device also offers an internal time stamp, allowing the user to precisely time-stamp temperature readings.In conclusion, the DS18S20+ is a versatile and efficient temperature sensor designed for applications that require high accuracy and precision. Its low-power design makes it an ideal choice for battery-operated applications, while its wide temperature range and programmable features make it suitable for a range of applications. With its ease of integration and reliable accuracy, it is sure to be a popular choice with engineers and technicians alike.

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