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Technical Data EoSens GE Camera Manual

9.2 Sensor defect specifications

Parameter Description Limit

BrightPix

Amount of bright pixels (response higher then half

scale) in a dark image. Dark image must first be FPN

corrected.

< 10

DarkMeanOutput Average value of a dark image (10-bit scale). 0 < x < 235

50%MeanOutput Average value of a half scale image (10-bit scale). 390 < x < 547

FPN

Fixed pattern noise of a dark image should be smaller

than 3.1% of the signal swing

< 3.1%

TotDefects

Amount of defect pixels in a half scale image. A

defect pixel is defined as a pixel that has a response

that is 20% off the median response of all pixels. The

half scale image must be FPN corrected.

< 20

BadColumnOutput

Amount of bad columns in a half scale image. A bad

column is defined as a column that has a response

that is 10% off the median of the surrounding 40

columns. The half scale image needs to be FPN

corrected.

BadRow

Amount of bad rows in a half scale image. A bad row

is defined as a row that has a response that is 10%

off the median of the surrounding 40 rows. The half

scale image needs to be FPN corrected.

Cluster

Amount of clusters allowed

See note 1.

Coverglass

Dig/Scratch

Uniform illumination. Test sensor for defective pixels.

Defects on cover glass will generate defect pixels. No

defect pixels may be visible.

Measurement conditions:

1. Illumination source: High brightness led light source (white) Using a pinhole to imitate

the lens setup in the application. F=5.4

2. Temperature is 25ºC (logged during the test program) and 30 ºC on

wafer. Dark current limit is set at 30 ºC

3. Definition of operation conditions:

Nominal clock frequency is 310 MHz.

Unity Gain

Power supplies as specified in the datasheet (recommended operation conditions)

Integr. times:Dark image short IT: 4μs, Dark image long IT: 1s, Other images: 2ms

Note 1: A cluster is defined as a group of minimal 2 and maximum 4 neighboring defect pixels (top, bottom or

side; not diagonal). Clusters that exceed the maximum of 4 defect pixels are not allowed at all.

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