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Line sensor array comparison

  • By Hamamatsu Corporation

Side-by-side measurements were made comparing the Hamamatsu S11639/S11639-01 CMOS sensors, Sony ILX511B CCD sensor, and Toshiba TCD1205DG CCD sensor under standardized test conditions. The parameters evaluated include readout noise, dark current, dynamic range, linearity, spectral response, cross talk, and sensitivity.



Report title

Line Array Sensor Comparison


Daniel T. McCormick, PhD, AdvancedMEMS

Excerpt from the report

“It is critical that the specific requirements of a given application be considered when selecting an image sensor, as each application will have unique specifications and different sets of tradeoffs in terms of the sensor parameters required to achieve optimal performance. In this report, we have presented direct comparisons of important parameters used to evaluate the performance of line scan image sensors for the Sony ILX511B, Toshiba TCD1205DG, and Hamamatsu S11639 as well as S11639-01. Below we summarize a few recommendations based on these test results.

  • In applications requiring native UV response, or high SNR and sensitivity in the UV and near IR ranges the Hamamatsu S11639 and S11639-01 offer superior performance.
  • We also recommend the Hamamatsu S11639 or S11639-01 in applications where dynamic range (in particular the S11639-01 offers excellent dynamic range performance) or imaging speed are dominant parameters of concern.
  • The Sony ILX511B and Toshiba TCD1205DG both offer high responsivity and sensitivity in the visible range as well as low absolute dark current levels.
  • The Hamamatsu S11639 or S11639-01 should be considered if the highest degree of linearity is required.
It is important to state that Spectronic Devices interface boards were selected when compiling data for this report, as opposed to manufacturers' evaluation boards, setups from various vendors or custom designed AdvancedMEMS boards, in order to provide an independent, direct comparison. The Spectronic Devices boards provide a simple, low cost option for users wishing to explore different sensors. However, in most real world applications an optimized board will likely be required in order to provide higher resolution A/D conversion, adjustable gain or additional timing options.”