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LM73 Datasheet 11-to-14 Bit Digital Temperature Sensor

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: .. LM73 2.7V, SOT-23, 11-to-14 Bit Digital Temperature Sensor with 2-Wire Interface July 2006 LM73 2.

General Description

The LM73 is an integrated, digital-output temperature sensor featuring an incremental Delta-Sigma ADC with a two-wire interface that is patible with the SMBus and I2C ® interfaces.

The host can query the LM73 at any time to read temperature.

Available in a 6-pin SOT-23 package, the LM73 occupies very little board area while operating over a wide temperature range (-40˚C to 150˚C) and providing ± 1.0˚C accuracy from -10˚C to 80˚C.

Key Features

  • n Single address pin offers choice of three selectable addresses per version for a total of six possible addresses. n SMBus and I2C-compatible two-wire interface n Supports 400 kHz operation n Shutdown mode with one-shot feature available for very low average power consumption n Programmable digital temperature resolution from 11 bits to 14 bits. n Fast conversion rate ideal for quick power up and measuring rapidly changing temperature n Open-drain ALERT output pin goes active when temperature i.

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