BISS0001-YDpyroelectric infrared induction IC chip
 The characteristics of the circuit are as follows:
1. CMOS digital analog mixing
2. It has an independent high input impedance operational amplifier, which can be matched with a variety of sensors for signal preprocessing.
3. Bidirectional amplitude discriminator can effectively suppress interference
4. Built in delay time timer and blocking time timer, stable and reliable, wide adjustment range
5. Built in reference power supply
6. Wide working voltage range + 3V - + 5V
7. Packaged with 16 pin dip and SOP