KC778B
Description
Supply Voltage (5 V) PIR Motion Sensitivity Input PIR Motion Offset Filter PIR Anti-Alias Filter PIR Gain Stabilization Filter Voltage Regulator Output Pyro Drain Reference Pyro Source Input Signal Analog Circuitry Ground Digital Circuitry Ground Daylight Adjustment and CdS Input Silicon Photo Diode Input PIR Gain Select Tri-State Input Mode Select Tri-State Input Mode Select Toggle Input Lights ON/OFF Output PIR Motion Indicator Output OFF Timer Oscillator Input OFF Timer Oscillator Output Frequency Reference Oscil.
Key Features
- A) Circuit design maximizes performance while minimizing external ponent count and board layout space
- B) Low cost solution for PIR motion control switching applications
- C) High sensitivity PIR input with special noise cancellation circuitry
- D) Choice of two PIR gain settings: 62 db and 68 db
- E) Adjustable PIR sensitivity
- G) RFI noise immunity exceeds 30 V/m from 1 MHz to 1000 MHz
- H) High immunity to line frequency noise
- I) Daylight detector circuitry is designed to use either silicon photo diode or CdS detector
- J) Adjustable daylight detector sensitivity
- L) Output can directly drive TRIACs, opto-couplers and small relays (no buffering required)
