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SIT7226

The SIT7226 is a digital temperature sensor with 16-bit resolution and an LSB of 7.8125 m°C. It achieves ±0.3°C (maximum accuracy) within a temperature range of 20°C to 50°C without additional recalibration. Each chip is specially calibrated before shipment to achieve an accuracy of ±0.3°C (maximum) within the 20°C to 50°C range.

Temperature data can be read directly via a digital interface. The SIT7226 supports I2C communication with a maximum speed of 1MHz.

It includes a high-precision bandgap circuit, a 16-bit analog-to-digital converter, a calibration unit, and a digital interface module.

Available package: CSP-4 (0.74mm × 0.74mm).

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Product Features

  • Operating voltage: 1.62V to 1.98V

  • Average quiescent current: 2.7μA (typical), 1.0 slew/second, 1.8V

  • Temperature accuracy:

    Maximum value: ±0.3°C (-20°C to 55°C)

    Maximum value: ±0.5°C (-40°C to 125°C)

  • 16-bit ADC with a resolution of 7.8125 m°C

  • I2C interface compatible

  • Programmable over/under temperature alarm

  • Eight different slave addresses are available

  • Temperature range: -40°C to 85°C

Application scenarios

Application diagram

Sample application

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