AD7817SR-REEL7

Resolution:	9 b
Base Part Number:	AD7817
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Test Condition:	25°C (-40°C ~ 85°C)
Accuracy - Highest (Lowest):	±2.25°C (±6°C)
Features:	Output Switch
Series:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Output Type:	SPI
Sensing Temperature - Remote:	--
Sensing Temperature - Local:	-40°C ~ 85°C
Sensor Type:	Digital, Local
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

Temperature sensing is one of the primary physical properties used in industrial and consumer products. Temperature Sensors - Analog and Digital Output, offer the necessary feedback and control of almost any process. The AD7817SR-REEL7 is one such sensor, offering accuracy and a variety of features, while providing an economical solution to any control application.

Application Field

The AD7817SR-REEL7 is an integrated temperature transducer that measures temperature from -40 degrees up to +100 degrees Celsius with a ±0.75 degree Celsius accuracy. This makes the AD7817SR-REEL7 ideal for use in any temperature monitoring or control applications in the industrial, automotive, environmental, medical and agricultural industries.The AD7817SR-REEL7 also features an integrated current source which allows for more accurate readings without the need for external circuitry. This makes installation and maintenance costs significantly cheaper than with other analog temperature sensors, making the AD7817SR-REEL7 a cost effective solution.

Working Principle

The AD7817SR-REEL7 uses an integrated IC temperature transducer that contains a junction between two different materials (such as a thermistor and an NTC resistor). When the temperature changes, the two junctions heat up or cool down at different rates, creating a voltage differential between the two. This voltage differential is then amplified and converted to an analog or digital output signal, depending on the type of output chosen.The AD7817SR-REEL7 transducer is also designed to be extremely accurate, with a total measurement accuracy of ±0.75 degrees Celsius. This ensures that the temperature reading is more precise than other analog temperature sensors, and it also means that the value of the temperature readings will remain consistent over the expected lifespan of the sensor.

Conclusion

The AD7817SR-REEL7 temperature transducer is an economical and accurate analog temperature sensing solution. Its integrated features and current source design make it ideal for use in any temperature monitoring or control applications, ranging from industrial to automotive to medical. With its ±0.75 degree Celsius accuracy and long-term stability, the AD7817SR-REEL7 is a great choice for any temperature sensing application.

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