Analogue, Mixed Signal, LSI


Digital thermometers

4 April 2012 Analogue, Mixed Signal, LSI

New from Maxim are the MAX31722/MAX31723 digital thermometers and thermostats. The devices provide local temperature readings over a user-selectable SPI or 3-wire interface. They can operate from a voltage supply as low as 1,7 V which, along with a 2,4 μA standby mode, makes them ideal for low-power or battery-operated systems. The user can adjust the readout resolution between 9 and 12 bits for applications that require greater temperature resolution. Both high- and low-accuracy applications are satisfied with the MAX31723 (±0,5°C) or MAX31722 (±2,0°C). Non-volatile memory for thermostat thresholds and configuration register can be set at, or prior to, component placement with no need for reprogramming at each power up.



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