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LM70 - SPI/MICROWIRE 10-Bit plus Sign Digital Temperature Sensor

Description

The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in LLP and MSOP 8-pin packages.

The host can query the LM70 at any time to read temperature.

A shutdown mode decreases power consumption to less than 10 µA.

Features

  • n 0.25˚C temperature resolution. n Shutdown mode conserves power between temperature reading n SPI and.

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LM70 SPI/MICROWIRE10-Bit plus Sign Digital Temperature Sensor July 2000 LM70 SPI/MICROWIRE™ 10-Bit plus Sign Digital Temperature Sensor General Description The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in LLP and MSOP 8-pin packages. The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical. The LM70 has 10-bit plus sign temperature resolution (0.25˚C per LSB) while operating over a temperature range of −55˚C to +150˚C. The LM70’s 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications.
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