175Alvium USB Cameras User Guide V4.6.1
Specifications
ROI frame rates
Values were measured as defined in Specified values on page 67.
To reach the maximum frame rate available for this setup, the bandwidth for image
traffic is 375 MByte/s. Increasing the
DeviceLinkThroughputLimit value does
not increase frame rates.
Image
format
Width
[pixels]
Height
[pixels]
ROI
area
[MP]
Frame rate [fps]
1
450 MByte/s 375 MByte/s 200 MByte/s
Full
resolution
4112 2176 8.948 31.5/24.0 31.5/20.3 21.6/10.9
UHD 4K 3840 2160 8.294 31.8/25.9 31.8/21.9 23.3/11.8
QSXGA 2560 2048 5.243 33.6/33.6 33.6/18.6
WQHD 2560 1440 3.686 47.2/47.2 47.2/26.1
QXGA 2048 1536 3.146 44.5/44.5 44.5/30.6
Full HD 1920 1080 2.074 62.3/62.3 62.3/45.8
UXGA 1600 1200 1.92 56.5/56.5 56.5/49.8
WXGA+ 1440 900 1.296 74.4/74.4 74.4/72.3
SXGA 1280 1024 1.311 65.9/65.9
HD 720 1280 720 0.922 91.8/91.8
XGA 1024 768 0.786 86.6/86.6
SVGA 800 600 0.48 109.2/109.2
VGA 640 480 0.307 134.4/134.4
HVGA 480 320 0.154 193.3/193.3
QVGA 320 240 0.077 247.8/247.8
HQVGA 240 160 0.038 345.2/345.2
QQVGA 160 120 0.019 428.4/428.4
Max. × half 4112 1088 4.474 60.9/46.6 60.9/39.4 42.0/21.3
Max. × min. 4112 8 0.033 808.2/684.0 808.2/606.6 638.5/379.9
Min. × max. 8 2176 0.017 32.0/32.0
Min. × min. 8 8 64 P 1317.0/1317.0
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 77: Alvium 1800 U-895m/c ROI frame rates
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