Holtek Semiconductor HT7612
the HT7612 and less than 3 seconds for the HT7612B. The BUZ output can drive a piezo buzzer LVD is used as an input low voltage detector.| Part No. | HT7612 |
|---|---|
| Datasheet | HT7612 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | General Purpose PIR Controller |
| Buy | Stock & Price |
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 NSOP packages
● Alarm system
● Auto door bells
GENERAL DESCRIPTION
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 HT7612/HT7612B is available in low profile NSOP & DIP packages. Selection Table Part No. HT7612 HT7612B CDS Debounce Time 15~20 seconds < 3 seconds Blo...
