被动红外人体感应传感器具有内置放大器。 Passive infrared human detection sensor with built-in amp.
The passive infrared sensor from Electric Works will keep track of movement when used within a thermal sensing device. It has a digital output. This device has a minimum operating supply voltage of 2.2 V and a maximum of 3 V. This part has a minimum operating temperature of -20 °C and a maximum of 60 °C. It has a single channel per chip.