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Saturday 26 May 2012
Products
Analogue / Linear / Mixed Signal ICs
Torex temperature sensor has V output
Monday 3 October 2011
The XC3101 series bandgap-type temperature sensor from Torex comes with analogue (VAOUT) and alarm (VDOUT) outputs.
The chip’s power consumption is 3.5µA.
The voltage outputted by the VAOUT pin is the result of a highly accurate (±3.5°C) temperature detection that can operate between -40 and +100°C, followed by a highly-linear (±0.4%) temperature-to-voltage conversion whose coefficient is -11.77mV/°C.
For applications that require not only the accurate tracking of the temperature via the analogue output, but also a clear indication as to when the monitored temperature rises above a pre-defined value, the VDOUT pin (alarm output) of the XC3101 will provide the appropriate logic signal.
The accurate (±4.5°C) threshold of this N-ch open drain alarm output is 70°C (other alarm temperatures are possible within a range of 50°C to 95°C). The detect output goes “Low” when the temperature monitored by the IC goes above this pre-set threshold.
The output returns to “High” when the temperature drops below a pre-set hysteresis, whose width is selectable between 0, 2.4 and 5°C.
The XC3101 operates with an input voltage range of 2.7V to 5.5V.
www.torex-europe.com/products/range/343
The chip’s power consumption is 3.5µA.
The voltage outputted by the VAOUT pin is the result of a highly accurate (±3.5°C) temperature detection that can operate between -40 and +100°C, followed by a highly-linear (±0.4%) temperature-to-voltage conversion whose coefficient is -11.77mV/°C.
For applications that require not only the accurate tracking of the temperature via the analogue output, but also a clear indication as to when the monitored temperature rises above a pre-defined value, the VDOUT pin (alarm output) of the XC3101 will provide the appropriate logic signal.
The accurate (±4.5°C) threshold of this N-ch open drain alarm output is 70°C (other alarm temperatures are possible within a range of 50°C to 95°C). The detect output goes “Low” when the temperature monitored by the IC goes above this pre-set threshold.
The output returns to “High” when the temperature drops below a pre-set hysteresis, whose width is selectable between 0, 2.4 and 5°C.
The XC3101 operates with an input voltage range of 2.7V to 5.5V.
www.torex-europe.com/products/range/343
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