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Temperature Sensor IC, Voltage, ± 1°C, -40 °C, +150 °C, SOT-23, 6 Pins


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Product Overview

The LM73CIMK-0 is a ±1°C Temperature Sensor with I²C/SMBus interface features an incremental Delta-Sigma ADC with a Two-Wire interface that is compatible with the SMBus and I²C interfaces. The host can query the LM73 at any time to read temperature. The user can optimize between the conversion time and the sensitivity of the sensor by programming it to report temperature in any of four different resolutions. Defaulting to 11-bit mode (0.25°C/LSB), the sensor measures temperature in a maximum time of 14ms, making it ideal for applications that require temperature data very soon after power-up. In its maximum resolution, 14-bit mode (0.03125°C/LSB), the sensor is optimized to sense very small changes in temperature. A single multi-level address line selects one of three unique device addresses. An open-drain ALERT output goes active when the temperature exceeds a programmable limit. Both the data and clock lines are filtered for excellent noise tolerance and reliable communication.
  • Single address pin offers choice of three selectable addresses per version
  • SMBus and I²C-compatible Two-Wire interface
  • Supports 400kHz operation
  • Shutdown mode with one-shot feature available for very low average power consumption
  • Fast conversion rate ideal for quick power up and measuring rapidly changing temperature
  • Open-drain alert output pin goes active when temperature is above a programmed temperature limit
  • Very stable, low-noise digital output
  • UL recognized component


Computers & Computer Peripherals, Portable Devices, Automotive

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