MAX6688AU40H+T

Output:	Active High
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C
Current - Supply:	215µA
Voltage - Supply:	3V ~ 5.5V
Features:	Selectable Trip Point
Selectable Hysteresis:	No
Output Function:	OverTemp
Series:	--
Output Type:	Push-Pull
Current - Output (Max):	20mA
Accuracy:	±5°C
Switching Temperature:	40°C ~ 80°C, 125°C
Trip Temperature Threshold:	Hot
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MAX6688AU40H+T is a low-power,minimally-biased,thermostat temperature sensorthat utilizes solid-state technology to measure temperature with an accuracy of +/-1°C.This sensor uses the intrinsically safe process of solid-state detection to detect temperatures between -40°C and +125°C. It is well suited for a variety of thermal management applications, including, but not limited to, switchgear, HVAC, and medical equipment.

Application Field and Working Principle

The MAX6688AU40H+T is designed with temperature sensing applications with a high degree of accuracy in mind. For instance, it can be used to protect switchgear by rapidly detecting electrical fault conditions and responding accordingly. This sensor also offers excellent performance in HVAC applications, where its accurate temperature detection can play a role in accurately controlling system temperature. In medical equipment, the MAX6688AU40H+T is well suited for monitoring the temperature of delicate tissue samples, as its fast response time can help prevent damage to the sample.The MAX6688AU40H+T uses solid-state technology which is based on changes in the resistance of conductive materials in response to changes in temperature. This means that its principle can be understood as resistance variable, depending on the temperature. By applying a low-bias voltage across two contact regions of a thermally-sensitive material, the resistance between the regions varies in direct proportion to temperature. This resistance value is then fed into a bridge circuit which results in an amplified temperature value with a high degree of accuracy. The MAX6688AU40H+T utilizes this principle to provide accurate temperature detection with a resolution of 1°C.

Conclusion

The MAX6688AU40H+T is a low-power, minimally-biased, thermostat temperature sensor that utilizes solid-state technology for accurate temperature detection. Its accuracy and fast response time make it ideal for a variety of thermal management applications such as switchgear protection, HVAC control, and medical instrumentation applications. The sensor operates by utilizing the principle of resistance variation with changes in temperature, using a low-bias voltage across two contact regions of a thermally-sensitive material. This results in an amplified temperature value with a high degree of accuracy and a resolution of 1°C.

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