HT7612B
Overview
The HT7612/HT7612B is PIR controller specifically designed to interface to PIR sensors to implement motion sensing application products such as intruder alarms. The controller has the features of PIR sensitivity adjust- ment and a CDS can be connected to the controller for automatic detection.
- Operating voltage: 2.7V ~ 5.5V
- Standby current typical: HT7612: 17mA HT7612B: 19mA
- CDS input
- CDS debounce time: HT7612: 15~20 seconds HT7612B: < 3 seconds
- High noise immunity