Analogue, Mixed Signal, LSI


Two-wire thermal sensors in SOT-23

9 February 2005 Analogue, Mixed Signal, LSI

Microchip's MCP980X digital-temperature sensors in space-saving SOT-23 packages have only a ±1°C maximum temperature error, providing digital temperature information for protection and/or calibration, with no external components. They convert and communicate the temperature data in about 30 ms (for 9-bit resolution) via I²C or SMBus interface. Conversion time can be traded against a higher resolution of up to 12-bits. These digital temperature sensors need only 200 μA of operating current and have a shutdown current of 1 μA. A one-shot measurement mode can wake the device to take a single temperature measurement before going back into sleep mode.



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