PYQ 1748 Quad Element DigiPyro
PART/ PYQ 1748 

PYQ 1748 Quad-Element DigiPyro

This Quad-Element Pyrodetector features four elements in series connection in TO-5 Metal Housing. This Pyrodetector Series is part of the DigiPyro® family that feature internal integrated circuitry to convert the element signals into a 14-bit digital output.

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This DigiPyro Detector Series in TO-5 housing includes Quad-Elements for ceiling applications. 

The PYQ 1748 was designed for economy mid-range sensing applications. It includes a built-in temperature diode which provides output related to the pyro internal temperature. This makes the output signal into a 14 +14 bit signal, communicated in one digital bit stream of 2x14-bit output via a single wire “direct link” connection to a suitable host microprocessor. 

Features 

  • Integrated digitization 
  • High-responsivity ceramic pyroelectric elements  
  • Dual detector with 1x1 mm² elements 
  • 148° Field-of-view 
  • TO-5 metal housing for high EMI immunity 
  • Best for advanced motion detection algorithms 

Applications 

  • Mid-distance motion detection (with lens) 
  • Energy saving applications 
  • Intrusion alarms 
  • Ceiling mounting applications 
PYQ 1748 Diagram
  • Responsivity: 4.2 kV/W (typical) 
  • Noise: 3 digits (typ), 12 digits(max)  
  • Housing with optical window: TO-5 
  • Power requirement: 2.7-3.6 V / 10 µA 
  •  Field-of-view (horiz/vert): 148°/148° 
  • Responsivity: 4.2 kV/W (typical) 
  • Noise: 3 digits (typ), 12 digits(max)  
  • Housing with optical window: TO-5 
  • Power requirement: 2.7-3.6 V / 10 µA 
  •  Field-of-view (horiz/vert): 148°/148° 
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