The TMP709-Q1 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-Q1 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 ±3.5°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-Q1 is available in a 5-pin, SOT-23 package.
| Setpoint type | Resistor Programmable |
| Setpoint value (°C) | 0 to 125 |
| Operating temperature range (°C) | -40 to 125 |
| Accuracy over temp range (max) (°C) | 3 |
| Output type | Open drain |
| Supply voltage (min) (V) | 2.7 |
| Supply voltage (max) (V) | 5.5 |
| Supply current (typ) (µA) | 40 |
| Number of comparator channels | 1 |
| Features | Built-in hysteresis |
| Rating | Automotive, Catalog |
| Interface type | Switch |
| SOT-23 (DBV) | 5 | 8.12 mm² 2.9 x 2.8 |
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