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16位数字SPI总线温度传感器adt7320数据表
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The ADT7320 is a high accuracy digital temperature sensor that offers breakthrough performance over a wide industrial temperature range， housed in a 4 mm × 4 mm LFCSP package. It contains an internal band gap reference， a temperature sensor， and a 16-bit analog-to-digital converter （ADC） to monitor and digitize the temperature to a resolution of 0.0078°C. The ADC resolution， by default， is set to 13 bits （0.0625°C）。 The ADC resolution is a user programmable mode that can be changed through the serial interface. The ADT7320 is guaranteed to operate over supply voltages from 2.7 V to 5.5 V. Operating at 3.3 V， the average supply current is typically 210 µA. The ADT7320 has a shutdown mode that powers down the device and offers a shutdown current of typically 2.0 µA at 3.3 V. The ADT7320 is rated for operation over the −40°C to +150°C temperature range. The CT pin is an open-drain output that becomes active when the temperature exceeds a programmable critical temperature limit. The INT pin is also an open-drain output that becomes active when the temperature exceeds a programmable limit. The INT pin and CT pin can operate in either comparator or interrupt mode
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