For ease of use, all the features of the AD7781 are controlled by dedicated pins.

为便于使用，AD 7781的所有特性均由专用引脚控制。

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To enable 27 address combinations, this temperature sensor provides three dedicated address pins that can be placed in one of three states: tied to GND, tied to VDD, or left floating.

为了使27位地址连接，该温度传感器提供三条精确的地址线，可以有三种放置方式：连接到GND，VDD或靠左悬浮。

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