MICROCHIP MCP9700-E/TO Temperature Sensor IC, Voltage, ± 2°C, -40 °C, +125 °C, TO-92, 3 Pins

The MCP9700-E/TO is a low power linear active thermistor in 3 pin TO-92 package. It comprises of analogue temperature sensors that convert temperature to analogue voltage. This low cost sensor features an accuracy of ±4°C from 0°C to 70°C while consuming typical 6µA of operating current. The MCP9700 does not require an additional signal conditioning circuit. The biasing circuit development overhead for thermistor solutions can be avoided by implementing this low cost device. The voltage output pin (VOUT) can be directly connected to ADC input of microcontroller. The MCP9700 provides low cost solution for applications that require measurement of relative change of temperature. It is immune to the effects of parasitic capacitance and can drive large capacitive loads. This provides printed circuit board (PCB) layout design flexibility by enabling device to be remotely located from microcontroller.

• Tiny analogue temperature sensor
• Extended temperature range from -40°C to 125°C
• Optimized for analogue to digital converters
• Wide operating voltage range 2.3V to 5.5V
• Low operating current of typically 6µA
• Sensor output voltage of 500mV
• Optimized to drive large capacitive loads

Applications

Sensing & Instrumentation, Consumer Electronics, Portable Devices, Automotive

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