Product Summary

The TMP01FJ is a temperature sensor that generates a voltage output proportional to absolute temperature and a control signal from one of two outputs when the device is either above or below a specific temperature range. Both the high/low temperature trip points and hysteresis (overshoot) band are determined by user-selected external resistors. For high volume production, these resistors are available on board. The TMP01FJ consists of a band gap voltage reference combined with a pair of matched comparators. The reference of the TMP01FJ provides both a constant 2.5 V output and a voltage proportional to absolute temperature (VPTAT) which has a precise temperature coefficient of 5 mV/K and is 1.49 V (nominal) at 25℃. The comparators compare VPTAT with the externally set tempera-ture trip points and generate an open-collector output signal when one of their respective thresholds has been exceeded.

Parametrics

TMP01FJ absolute maximum ratings: (1)Maximum Supply Voltage: –0.3 V to +15 V; (2)Maximum Input Voltage(SETHIGH, SETLOW): –0.3 V to V+ +0.3 V; (3)Maximum Output Current (VREF, VPTAT): 2 mA; (4)Maximum Output Current (Open Collector Outputs): 50 mA; (5)Maximum Output Voltage (Open Collector Outputs): 15 V; (6)Operating Temperature Range: –55℃ to +150℃; (7)Dice Junction Temperature: +150℃; (8)Storage Temperature Range: – 65℃ to +150℃; (9)Lead Temperature (Soldering, 60 sec): +300℃.

Features

TMP01FJ features: (1)–55℃ to +125℃ Operation; (2)±10℃ Accuracy Over Temperature (typ); (3)Temperature-Proportional Voltage Output; (4)User Programmable Temperature Trip Points; (5)User Programmable Hysteresis; (6)20 mA Open Collector Trip Point Outputs; (7)TTL/CMOS Compatible; (8)Single-Supply Operation (4.5 V to 13.2 V); (9)PDIP, SOIC, and TO-99 packages.

Diagrams

TMP01FJ functional block diagram

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