Description
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The PT8A264X is a CMOS LSI chip designed for use in automatic PIR lamp control.
Features
* Operating voltage: 5V (Typ. )
* Average supply current: 120µA (Typ. )
* 2 stage op-amp for filter.
* Build-in noise rejection circuit.
* On-chip regulator.
* Adjustable output duration
* Override function.
* ON/AUTO/OFF selectable by MODE pin
* Apply to AC 220V/50
Applications
* or with a 3-wire configuration for relay applications. The chip is equipped with operational amplifiers, a comparator, timer, a zero crossing detector, control circuit, a voltage regulator, a system oscillator, and an output timing oscillator. Its PIR sensor detects infrared power variations induced
