MAX6698EE38+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Sensor Type:	Digital, Local/Remote
Sensing Temperature - Local:	-40°C ~ 125°C
Sensing Temperature - Remote:	-40°C ~ 125°C
Output Type:	SMBus
Voltage - Supply:	3 V ~ 5.5 V
Resolution:	11 b (Local), 8 b (Remote)
Features:	One-Shot, Output Switch, Programmable Limit, Standby Mode
Accuracy - Highest (Lowest):	±2.5°C (±3.5°C)
Test Condition:	60°C ~ 100°C (0°C ~ 125°C)
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	16-QSOP

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Temperature Sensors - Analog and Digital Output

Temperature sensing is one of the most important applications for the industrial usage in various physical engineering fields. The industrial environment can be quickly changed and this requires temperature readings to be accurate and efficient. To make sure that temperature readings are exact and performed quickly, producers are turning to temperature sensors which are available in both analog and digital output configurations.

MAX6698EE38+T

The MAX6698EE38+T from Maxim Integrated is a low-power, fully integrated temperature sensor IC that combines the low-noise measuring element and the data acquisition circuitry into a single 3-wire digital link. This device ensures the high performance of the temperature sensing system by measuring temperature with high accuracy, rapid response times and extremely quick start up times. The MAX6698EE38+T offers an accuracy of +/-2°C from -20°C to +120°C and many other attractive features such as low operating current, low quiescent current consumption, and -40°C temperature measurement range.

Application Field

The MAX6698EE38+T temperature sensor is suitable for a variety of temperature sensing applications. It can be used to sense temperatures inside electrical cabinets, computers, medical devices, industrial machinery and many other fields. Its wide range of features, such as low operating current and high accuracy, make it an ideal choice for applications where accuracy and response times are critical, such as HVAC systems, medical equipment and industrial process automation.

Working Principle

The MAX6698EE38+T is built using a bandgap sensor which is based on the principle of Vbe (Voltage at Base-Emitter) variation with an increase and the decrease in temperature. The output from MAX6698EE38+T is a digital output which is wide range compatible. The MTEMP pin adjusts the calibration of the temperature sensor to maintain accuracy within +/-2°C from -20°C to +120°C. The MAX6698EE38+T measures temperature by first producing a small voltage signal and converting the signal into a low-noise digital data stream. The first stage is a voltage to frequency conversion from the sensed temperature. This conversion is carried out by a Voltage Controlled Oscillator (VCO). After the VCO-stage, Frequency to Digital Converter (FDC) converts the frequency signal into a digital signal which is then fed into the ADC.Once the signal is converted to digital data, it can be transmitted via an I2C-bus or an SPI-Bus to an external master. Finally, the data can be processed by the micro-controller unit (MCU) or stored by an EPROM chip. The temperature data is then presented on an LCD or OLED display for users to view. In summary, the MAX6698EE38+T is a reliable, low power temperature sensor IC with high accuracy and fast response time. This device is ideal for applications requiring high accuracy and speedy temperature measurement. It is perfect for a variety of temperature sensing applications, ranging from HVAC control systems to industrial process automation. With its integrated 3-wire digital link, the MAX6698EE38+T ensures fast, accurate, and precise temperature readings.

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