73Alvium USB Cameras User Guide V3.6.4
Specifications
ROI frame rates
Values were calculated as defined in Specified values on page 51.
To reach the maximum frame rate available for this setup, the bandwidth for image
traffic is 200 MBps. Increasing the
DeviceLinkThroughputLimit value does not
increase frame rates.
Alvium 1800 U-120 cameras do not allow overlapping of exposure and readout.
In triggered mode, the maximum available frame rates may be reduced with long
exposure times.
Image format
Width
[pixels]
Height
[pixels]
ROI area
[MP]
Frame rate [fps]
1
450 MBps 375 MBps 200 MBps
Full resolution 1280 960 1.229 52 / 52
HD 720 1280 720 0.922 69 / 69
XGA 1024 768 0.786 65 / 65
SVGA 800 600 0.480 81 / 81
VGA 640 480 0.307 100 / 100
HVGA 480 320 0.154 143 / 143
QVGA 320 240 0.077 160 / 160
HQVGA 240 160 0.038 160 / 160
QQVGA 160 120 0.019 160 / 160
Max. × half 1280 480 0.614 100 / 100
Max. × min. 1280 8 0.010 160 / 160
Min. × max. 8 960 0.008 52 / 52
Min. × min. 8 8 64 pixels 160 / 160
1
Mono8 or Bayer...8
(2)
at SensorBitDepth = 12-Bit /
Mono12 or Bayer...12 at
SensorBitDepth = 12-Bit
2
The three dots... represent the colors of a Bayer pixel format, such as in BayerRG8.
Table 25: Alvium 1800 U-120m/c ROI frame rates
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