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MIC281 - Thermal Sensor

Description

The MIC281 is a digital thermal sensor capable of measuring the temperature of a remote PN junction.

It is optimized for applications favoring low cost and small size.

Features

  • the same industry-leading noise performance and small size. The advanced integrating A/D converter and analog front-end reduce errors due to noise for maximum accuracy and minimum guardbanding. A 2-wire SMBus 2.0-compatible serial interface is provided for host communication. The clock and data pins are 5Vtolerant regardless of the value of VDD. They will not clamp the bus lines low even if the device is powered down. Superior performance, low power, and small size make.

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Datasheet preview – MIC281

Datasheet Details

Part number MIC281
Manufacturer Micrel Semiconductor
File Size 642.75 KB
Description Thermal Sensor
Datasheet download datasheet MIC281 Datasheet
Additional preview pages of the MIC281 datasheet.

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Full PDF Text Transcription

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MIC281 Low-Cost IttyBitty™ Thermal Sensor General Description The MIC281 is a digital thermal sensor capable of measuring the temperature of a remote PN junction. It is optimized for applications favoring low cost and small size. The remote junction may be an inexpensive commodity transistor, e.g., 2N3906, or an embedded thermal diode such as found in Intel Pentium® II/III/IV CPUs, AMD Athlon® CPUs, and Xilinx Virtex® FPGAs. The MIC281 is 100% software and hardware backward compatible with the MIC280 and features the same industry-leading noise performance and small size. The advanced integrating A/D converter and analog front-end reduce errors due to noise for maximum accuracy and minimum guardbanding. A 2-wire SMBus 2.0-compatible serial interface is provided for host communication.
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