STMicroelectronics newly launched 0.25 ° C precision temperature sensors to make mobile monitoring equipment more flexible

China, November 20, 2019 - 0.25 ° C Typical measurement accuracy, low operating current, low standby current, intention of new STTS22H temperature sensors can improve asset trackers, container transport recorders, HVAC HVAC systems , Air humidifier, refrigerator, building automation system and intelligent consumption and other equipment temperature and heat flow monitoring function. STTS22H is compatible with the I2C and SMBus 3.0 bus, and provides a variety of flexible working modes, including minimum rate of 1Hz, configurable output data rate (ODR) and power saving single measurement mode, interrupt pin supports SMBUS reminder Response address (ARA) . If the measured value exceeds the temperature limit or temperature limit of the user, the temperature sensor is used as a slave device on the SMBUS, and the request signal will be issued to the application via the interrupt pin. The device address of I2C / SMBus is set, the same bus can connect up to two STTS22H sensors. The STTS22H sensor has a very low power consumption. The 1 Hz ODR mode consumes only 2.0μA current, and periodic single measurement power consumption is only 1.75μA, thereby helping to extend battery-powered equipment. In standby mode in serial port, STTS22H consumes only 0.5μA (typical value). 1.5-3.6V's operating voltage range allows the sensor to use a variety of power supplies (such as small lithium batteries). The sensor processing speed is very fast, the conversion time is 5 ms, and 16-bit temperature data is supplied. This package has a metal block with low thermal implant to ensure a rapid measurement ambient temperature. The sensor is calibrated before the factory, and typically maintains 0.25 ° C within -10 ° C to 60 ° C, no user calibration. STTS22H has been put into production, with 2.0mm x 2.0mm x 0.5mm 6 lead UDFN compact thin package.

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