82Alvium 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
728 544 0.396 494.0/409.3/302.3 445.3/227.3/224.0
VGA 640 480 0.307 553.3/458.5/338.9 553.3/288.9/284.9
HVGA 480 320 0.154 786.3/652.1/483.5 786.3/539.9/483.5
QVGA 320 240 0.077 991.2/833.4/617.7
HQVGA 240 160 0.038 1340.5/1138.9/847.2
QQVGA 160 120 0.019 1627.3/1390.6/1037.6
Max. × half 728 272 0.198 884.6/733.8/544.8 800.5/412.9/405.9
Max. × min. 728 8 0.006 3803.8/3186.0/2462.7
3545.1/1992.7/
1915.3
Min. × max. 8 544 0.004 498.0/416.0/306.8
Min. × min. 8 8 64 P 4057.3/3647.7/2798.5
1
Mono8 or Bayer...8
(2)
at SensorBitDepth = 8-Bit
(3)
/
Mono10 or Bayer...10 at SensorBitDepth = 10 -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.
3
The SensorBitDepth value must be set separately from PixelFormat.
See
Sensor ADC readout modes for maximum frame rates on page 68 for details.
Table 23: Alvium 1800 U-040m/c ROI frame rates
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