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The MAX31732ATG is a multi-channel temperature sensor that monitors its own temperature and the temperature of up to four external diode-connected transistors. Resistance cancellation compensates for series resistance of up to 300Ω between the external thermal diode and the MAX31732, while beta compensation corrects for temperature measurement errors caused by low-beta sensing transistors. The sensor has a coefficient of ideal between 0.9844 and 1.311.

Specified for operation over a temperature range of -40°C to +125°C and an input voltage range of 3.0 V to 3.6 V, the MAX31732ATG is available in a 24-pin, 4 mm x 4 mm TQFN package.

MAX31732ATG Product Attributes

Sensor type: digital, local/remote  

Sensing Temperature - Local: -40°C ~ 125°C  

Sensing Temperature - Remote: -64°C ~ 150°C  

Output Type: 2-Wire Serial, I2C/SMBUS  

Voltage - Supply: 3V ~ 3.6V  

Resolution: 12 b  

Features: Single Trigger, Shutdown Mode, Standby Mode  

Accuracy - Maximum (Minimum): ±1°C (±2°C)  

Test Conditions: 0°C ~ 85°C (-40°C ~ 125°C)  

Operating Temperature: -40°C ~ 125°C  

Mounting Type: Surface Mount  

MAX31732ATG Applications

Temperature measurement of on-chip CPU, ASIC, SOC, or FPGA diodes or remote discrete diodes

Industrial thermal management

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