The TMP709 is a fully-integrated, resistor- programmable
temperature switch with a temperature threshold that is set by just one external resistor within
the entire operating range. The TMP709 provides an open-drain,
active-low output and has a 2.7-V to 5.5-V supply-voltage range.
The temperature threshold accuracy is
typically ±0.5°C, with a maximum of ±3°C (60°C to 100°C). The quiescent current consumption is typically 40
µA. Hysteresis is pin-selectable to 2°C or 10°C.
The TMP709 is available in a 5-pin, SOT-23
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