LTC2996HDD#PBF

LTC2996 is a high accuracy temperature sensor with adjustable overtemperature and under temperature thresholds and open drain alert outputs. It converts the temperature of an external diode sensor or its own die temperature to an analogue output voltage while rejecting errors due to noise and series resistance. The measured temperature is compared against upper and lower limits set with resistive dividers. If a threshold is exceeded, the device communicates an alert by pulling low the correspondent open drain logic output. It gives ±1°C accurate temperature results using commonly available NPN or PNP transistors or temperature diodes built into modern digital devices. A 1.8V reference output simplifies threshold programming and can be used as an ADC reference input. It is widely used in application such as temperature monitoring and measurement, system thermal control, network servers, desktop and notebook computers, environmental monitoring etc.

• Voltage output proportional to temperature
• ±2°C internal temperature accuracy
• Built-in series resistance cancellation
• Open drain alert outputs
• Supply voltage range is 2.25V to 5.5V
• Quiescent current is 200μA typical
• Temperature noise is 0.15CRMS typical
• Operating temperature is -40°C to 125°C
• Package style is 10-lead plastic QFN

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