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The TMP121 and TMP123 are SPI-compatible temperature sensors available in a SOT23-6 package. Without the need for external components, the TMP121 and TMP123 are capable of measuring temperatures at 2°C with an accuracy of -40°C over a temperature range of 125°C The low supply current and supply voltage range from 2.7V to 5.5V make the TMP121 and TMP123 excellent candidates for low-power applications.

The TMP121 and TMP123 are ideal for a wide range of thermal measurements in extended communications, computer, consumer, environmental, industrial and instrumentation applications.

• Digital output: SPI compatible interface
• Resolution: 12 bits + sign bits, between 0.0625°C
• Accuracy: ± 1.5 ° from -25 ° C to +85 ° C (max.)
• Low Quiescent Current: 50μA Max
• Wide supply voltage range: 2.7V to 5.5V
• Small SOT23-6 package
• Operation at 150 °C
• apply
  • Power supply temperature monitoring
  • Thermal protection around the computer
  • laptop
  • cell phone
  • Battery management
  • Office machines