MAX6695AUB+

Series:	--
Packaging:	Tube
Part Status:	Active
Sensor Type:	Digital, Local/Remote
Sensing Temperature - Local:	-40°C ~ 125°C
Sensing Temperature - Remote:	-40°C ~ 125°C
Output Type:	I²C/SMBus
Voltage - Supply:	3 V ~ 3.6 V
Resolution:	10 b
Features:	One-Shot, Output Switch, Programmable Limit, Standby Mode
Accuracy - Highest (Lowest):	±2°C (±4.5°C)
Test Condition:	45°C ~ 85°C (-40°C ~ 125°C)
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-uMAX

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Temperature Sensors – Analog and Digital Output

Temperature sensors are an important piece of technology for a variety of applications. Depending on the application, the type of temperature sensor used can vary dramatically. For many industries, analog and digital output temperature sensors provide the accuracy and precision needed to ensure temperature-sensitive products are manufactured properly and with consistent quality. MAX6695AUB+ is a new temperature sensor from Maxim Integrated that features improved accuracy and resolution over its predecessors. The MAX6695AUB+ is an industrial-grade temperature sensor that provides a simple, accurate, and cost-effective solution for a number of applications, including industrial automation, data centers, HVAC, and consumer electronics. It combines a thermistor and signal conditioning circuitry in a single small package, making it a great choice for applications requiring accurate, wide-range temperature sensing. The MAX6695AUB+ features a temperature range of -40°C to 125°C, operating over a 5V power supply. It has a±1°C accuracy and a 0.061°C resolution. The sensor can output either an analog or digital signal – either a 12-bit resolution digital signal or 2-bit resolution analog signal. It also features a low-power shutdown mode for added energy efficiency. The MAX6695AUB+ utilizes an onboard thermistor to sense temperature. A thermistor is a temperature-sensitive electrical component that changes resistance with temperature. The resistance of the MAX6695AUB+ thermistor is typically 1kΩ at 25°C. As temperature rises, resistance drops, and visa versa. The MAX6695AUB+ is self-heated, meaning its onboard circuitry warms the thermistor to the operating temperature at start up. This improves accuracy and response time.In order to produce a usable temperature reading, the thermistor’s resistance must be converted into a temperature value. This is done through the MAX6695AUB+’s signal conditioning circuitry. The signal conditioning circuitry is comprised of a differential amplifier, an operational amplifier, and a microcontroller unit (MCU). The differential amplifier and operational amplifier are at the core of the signal conditioning circuitry. They amplify the voltage differential between the thermistor and a reference resistor to produce an amplified voltage proportional to the resistance of the thermistor. This output is then read by the MCU, which calculates the temperature based on lookup tables stored in a calibration data file. The temperature is then output, either as a 12-bit resolution digital signal, or a 2-bit resolution analog signal. The digital signal is represented by a pulse width modulation (PWM) wave and provides more accuracy at a lower cost. The analog signal can be used if a higher resolution is desired. The MAX6695AUB+ also features a low-power shutdown mode. When this feature is enabled, the sensor lowers the power consumption of the signal conditioning circuitry, saving energy. Additionally, the MAX6695AUB features a wide operating temperature range and is resistant to shock and vibration.The MAX6695AUB+ is a versatile, cost-effective temperature sensor that offers numerous capabilities and benefits over traditional temperature sensors. Its improved accuracy and resolution make it a great choice for a variety of applications. The signal conditioning circuitry, low-power shutdown mode, wide temperature range, and high shock and vibration resistance further make the MAX6695AUB+ stand out from the competition. Overall, the MAX6695AUB+ is an excellent choice for applications requiring accurate, wide-range temperature sensing. It is a reliable temperature sensor that can be used in a variety of environments. Its flexibility, accuracy, and low cost make it an attractive solution for many applications.

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