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LM95221 - Dual Remote Diode Digital Temperature Sensor

Description

The LM95221 is a dual remote diode temperature sensor in an 8-lead VSSOP package.

The 2-wire serial interface of the LM95221 is compatible with SMBus 2.0.

The LM95221 can sense three temperature zones, it can measure the temperature of its own die as well as two diode connected transistors.

Features

  • 1.
  • 2 Accurately Senses Die Temperature of Remote ICs or Diode Junctions.
  • Remote Diode Fault Detection.
  • On-board Local Temperature Sensing.
  • Remote Temperature Readings.
  • 0.125°C LSb.
  • 10-bits Plus Sign or 11-bits Programmable Resolution.
  • 11-bits Resolves Temperatures Above 127°C.
  • Local Temperature Readings.
  • 0.25°C.
  • 9-bits Plus Sign.
  • Status Register Support.
  • Programmable Conversion Rate Allows.

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Full PDF Text Transcription

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LM95221 www.ti.com SNIS134B – MAY 2004 – REVISED MARCH 2013 LM95221 Dual Remote Diode Digital Temperature Sensor with SMBus Interface Check for Samples: LM95221 FEATURES 1 •2 Accurately Senses Die Temperature of Remote ICs or Diode Junctions • Remote Diode Fault Detection • On-board Local Temperature Sensing • Remote Temperature Readings – 0.125°C LSb – 10-bits Plus Sign or 11-bits Programmable Resolution – 11-bits Resolves Temperatures Above 127°C • Local Temperature Readings – 0.25°C – 9-bits Plus Sign • Status Register Support • Programmable Conversion Rate Allows User Optimization of Power Consumption • Shutdown Mode One-shot Conversion Control • SMBus 2.
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