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LM60BIM3-LM60BIM3X-LM60CIM3-LM60CIM3X
2.7V, SOT-23 Temperature Sensor
LM60
2.7V, SOT-23 or TO-92 Temperature Sensor
General DescriptionThe LM60isa precision integrated-circuit temperature sen-
sor that can sensea −40˚Cto +125˚C temperature range
while operating froma single +2.7V supply. The LM60’s
output voltageis linearly proportionalto Celsius (Centigrade)
temperature (+6.25 mV/˚C) and hasaDC offsetof +424 mV.
The offset allows reading negative temperatures withoutthe
needfora negative supply. The nominal output voltageofthe
LM60 ranges from +174 mVto +1205 mVfora −40˚Cto
+125˚C temperature range. The LM60is calibratedto pro-
vide accuraciesof ±2.0˚Cat room temperature and ±3˚C
over thefull −25˚Cto +125˚C temperature range.
The LM60’s linear output, +424 mV offset, and factory cali-
bration simplify external circuitry requiredina single supply
environment where reading negative temperaturesis re-
quired. Because the LM60’s quiescent currentis less than
110 μA, self-heatingis limitedtoa very low 0.1˚Cin stillairin
the SOT-23 package. Shutdown capabilityfor the LM60is
intrinsic becauseits inherent low power consumption allowstobe powered directly fromthe outputof many logic gates.
Features Calibrated linear scale factorof +6.25 mV/˚C Ratedforfull −40˚to +125˚C range Suitablefor remote applications Availablein SOT-23 and TO-92 packages
Applications Cellular Phones Computers Power Supply Modules Battery Management FAX Machines Printers HVAC Disk Drives Appliances
Key Specifications Accuracyat 25˚C: ±2.0 and ±3.0˚C (max) Accuracyfor −40˚Cto +125˚C: ±4.0˚C (max) Accuracyfor −25˚Cto +125˚C: ±3.0˚C (max) Temperature Slope: +6.25mV/˚C Power Supply Voltage Range: +2.7Vto +10V Current Drain@ 25˚C: 110μA (max) Nonlinearity: ±0.8˚C (max) Output Impedance: 800Ω (max)
Typical Application
Connection Diagrams
SOT-23Top View
See NS Package Number MA03B
TO-92
See NS Package Number Z03A
01268102= (+6.25 mV/˚CxT˚C)+424mV
Temperature(T) TypicalVO+125˚C +1205 mV
+100˚C +1049 mV
+25˚C +580 mV
0˚C +424 mV
−25˚C +268 mV
−40˚C +174 mV
FIGURE1. Full-Range Centigrade Temperature Sensor
(−40˚Cto +125˚C) Operating froma Single Li-Ion
Battery CellJuly 2001
LM60
2.7V
SOT
O-92
emperature
Sensor
