62Alvium 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 250 MBps. Increasing the
DeviceLinkThroughputLimit value does not
increase frame rates.
Image format
Width
[pixels]
Height
[pixels]
ROI area
[MP]
Frame rate [fps]
1
450 MBps 375 MBps 200 MBps
Full resolution 728 544 0.396 461 / 386 / 289 417 / 217 / 216
VGA 640 480 0.307 512 / 429 / 322 512 / 274 / 273
HVGA 480 320 0.154 704 / 596 / 450 704 / 499 / 450
QVGA 320 240 0.077 864 / 742 / 564
HQVGA 240 160 0.038 1118 / 979 / 750
QQVGA 160 120 0.019 1311 / 1159 / 896
Max. × half 728 272 0.198 784 / 662 / 503 714 / 385 / 383
Max. × min. 728 8 0.006 2454 / 2169 / 1793
2313 / 1530 /
1494
Min. × max. 8 544 0.004 463 / 392 / 293
Min. × min. 8 8 64 pixels 2535 / 2397 / 1964
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 52 for details.
Table 19: Alvium 1800 U-040m/c ROI frame rates
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