The 7611 PIR Controller is a CMOS LSI chip designed for use in automatic PIR lamp control. It can oper-ate with a 2-wire configuration for triac applications or with a 3-wire configuration for relay applications. The chip is equipped with opera-tional amplifiers, a comparator, timer, a zero crossing detector, control circuit, a voltage regu-lator, a system oscillator, and an output timing oscillator. Its PIR sensor detects infrared power vari-ations induced by the motion of a human body and transforms it to a voltage variation. If the PIR output voltage variation conforms to the criteria.
FEATURES of 7611 PIR Controller:
- Operating Voltage:5V-12V
- Operating Temperature:–25°C to 75°C
- Maximum Operating Current:350µA
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