HT7612B Datasheet

HT7612B General Purpose PIR Controller

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. The .

Features

· 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 Applications
· PIR light control
· Motion detectors
· 40 second power-on delay
· 10 second high speed warm-up for test mode
· 1~3783 second adjustable PIR turn on time.
· Output drive for Relay, TRIAC and LED
· Output drive buzzer alarm
· Low voltage detector
· Override function
· 16-pin DIP/NSOP packages
· Alarm system
· Auto door bells General Description The HT7612/HT7612B is PIR controller specifically des.