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Digital Temperature Sensor with I2C Serial Interface, Prog. Thermostat/Alarm Function
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Temperature
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TMP100, TMP101SBOS231I–JANUARY 2002–REVISED NOVEMBER 2015
TMP10x Temperature Sensor WithI2C and SMBus Interface with
Alert Functionin SOT-23 Package Features 3 DescriptionThe TMP100 and TMP101 devices are digital Digital Output: SMBus™, Two-Wire, andI2C temperature sensors ideal for negative temperatureInterface Compatibility coefficient (NTC) and positive temperature coefficient• Resolution:9to 12 Bits, User-Selectable (PTC) thermistor replacement. The devices offera Accuracy: typical accuracyof ±1°C without requiring calibration external component signal conditioning. Device– ±1°C (Typical) from –55°Cto 125°C temperature sensors are highly linear and do not– ±2°C (Maximum) from –55°Cto 125°C require complex calculations or look-up tables to• Low Quiescent Current: 45-μA, 0.1-μA Standby derive the temperature. The on-chip, 12-bit ADC
offers resolutions downto 0.0625°C. The devices are• Wide Supply Range: 2.7Vto 5.5V availablein 6-Pin SOT-23 packages.• TMP100 Features Two Address Pins
The TMP100 and TMP101 devices feature SMBus,• TMP101 Features One Address Pin and an Two-Wire, andI2C interface compatibility. TheALERT Pin TMP100 device allows upto eight devices on one• 6-Pin SOT-23 Package bus. The TMP101 device offers an SMBus Alert
function withupto three devices per bus.
2 Applications The TMP100 and TMP101 devices are ideal for• Power-Supply Temperature Monitoring extended temperature measurementina varietyof Computer Peripheral Thermal Protection communication, computer, consumer, environmental,
industrial, and instrumentation applications.• Notebook Computers
The TMP100 and TMP101 devices are specified for• Cell Phones
operation overa temperature range of −55°C to• Battery Management 125°C.• Office Machines Thermostat Controls
Device Information(1) Environmental Monitoring and HVAC• Electromechanical Device Temperature
(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Simplified Schematics
