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Dalsa Piranha XL

High Sensitivity Line Scan Camera

Piranha XL: Multi-line CMOS TDI delivers breakthrough performance


Teledyne DALSA presents our latest multi-line CMOS camera, delivering unprecedented speed and responsivity with low noise. Exposure control allows for seamless variable speed imaging down to stopped conditions on select models.

Multi-line CMOS TDI Cameracameralink-hs

The camera uses the Camera Link HS interface based on Teledyne DALSA’s field-proven HS Link technology. It delivers very high data throughput with long transmission distances and cable flexibility. The camera, combined with a frame grabber, offers a complete solution for the next generation Automatic Optical Inspection.

FeaturesApplicationsTDI High Sensitivity Line ScanProgrammabilityOrder the Piranha XL


  • True exposure control
  • High speed 125 kHz line rate
  • Highly responsive multi-line CMOS architecture
  • 16k pixel resolution with 5 μm x 5 μm pixel size
  • Very low noise
  • High dynamic range look-up table (LUT)
  • Binning
  • Stop / Start seamless imaging (PX-HM-16K06B)
  • Forward or reverse scanning
  • Smart lens shading correction
  • Field proven Camera Link HS interface
  • Multiple user sets
  • Fibre optic module support



  • Flat panel display inspection
  • Film and web inspection
  • Printed circuit board inspection
  • High throughput and high resolution applications

How does TDI Work?

Teledyne DALSA’s high sensitivity line scan products use TDI (time delay and integration) technology. TDI is a method of line scanning which provides dramatically increased responsivity compared to other video scanning methods. It permits much greater scanning speeds in low light, or allows reduced lighting levels (and costs) at conventional speeds. From wafer, PCB, and LCD panel inspection to high-end document scanning, Teledyne DALSA’s advanced, high sensitivity line scan delivers an unmatched mix of sensitivity and speed.

How Does TDI Work?

TDI is based on the concept of accumulating multiple exposures of the same (moving) object, effectively increasing the integration time available to collect incident light. The object motion must be synchronized with the exposures to ensure a crisp image.


  • More speed. With more effective integration time, you can increase the speed of the target object or inspection web.
  • Less light, less expense. Instead of high-powered, high-cost, high-temperature halogen lighting with DC power, you can use high-frequency AC or even LED lighting, profoundly lowering your system maintenance costs. TDI operation effectively averages out fluctuations in light intensity to represent a DC light source. This factor alone can justify the increased cost of a TDI sensor versus the cost of using DC regulated light source and a line scan image sensor.


  • TDI requires more care in synchronization and alignment. But in general practice these requirements are not difficult to achieve. A TDI sensor can withstand some misalignment (either translational or rotational) without negative effect on image quality. A total misalignment of one pixel or less across the length of a TDI sensor will not affect image quality.
  • In most applications, a 96-stage TDI device can comfortably tolerate a 2-4% velocity mismatch between inspection web and imager. This is not difficult to achieve using a web-mounted encoder to supply a sync signal to the camera, even with webs that change speed. This approach is used in thousands of successful applications.
  • Designed for light-starved applications, TDI generally lacks antiblooming to contain “glints.” But Teledyne DALSA offered the world’s first antiblooming TDI devices. We are the acknowledged world leader in this area.
  • TDI sensors generally use photogates–surface electrodes covering the entire pixel. While this ensures 100% fill factor, it can attenuate incoming photons in the deep blue region. Teledyne DALSA has developed enhanced blue response TDI sensors to compensate.




  • Adjustable responsivity
  • Multiple areas of interest (AOI) for data reduction
  • Multiple regions of interest (ROI) for easy calibration
  • Lens and shading correction
  • Test pattern and diagnostics


Piranha XL Camera Models


Model Name Part Number  Sensor Type Camera Type Resolution Interface Mono/Color Frame Rate
Piranha XL Color 16k, 40 kHz PX-HC-16K04T CMOS TDI Line 16352 x 12 Camera Link HS COLOR 40 kHz
Piranha XL Color 16k, 70 kHz PX-HC-16K07T CMOS TDI Line 16352 x 12 Camera Link HS COLOR 70 kHz
Piranha XL 16k, 60 kHz PX-HM-16k06X CMOS TDI Line 16352 x 12 Camera Link HS Monochrome 60 KHz
Piranha XL 16k, 125 kHz PX-HM-16K12X CMOS TDI Line 16352 x 12 Camera Link HS Monochrome 125 kHz

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