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SNIS176A – MARCH 2013 – REVISED JANUARY 2015 LMT89 2.4-V, 10-µA, SC70 Temperature Sensor
1 Features 3 Description The LMT89 device is a precision analog output
CMOS integrated-circuit temperature sensor that
operates over a -55В°C to 130В°C temperature range.
The power supply operating range is 2.4 V to 5.5 V.
The transfer function of LMT89 device is
predominately linear, yet has a slight predictable
parabolic curvature. The accuracy of the LMT89
device, when specified to a parabolic transfer
function, is typically В±1.5В°C at an ambient
temperature of 30В°C. The temperature error
increases linearly and reaches a maximum of В±2.5В°C
at the temperature range extremes. The temperature
range is affected by the power supply voltage. At a
power supply voltage of 2.7 V to 5.5 V, the
temperature range extremes are 130В°C and -55В°C.
Decreasing the power supply voltage to 2.4 V …
