109
Alvium USB Cameras User Guide V3.3.0
Specifications
ROI frame rates
200 to 300 MBps
Values were measured for
typical operation
in rolling shutter (RS) mode, using the
test setup defined in
To reach the maximum frame rate available for typical operation, the bandwidth
for image traffic is 375 MBps. Increasing the
DeviceLinkThroughputLimit
value
may even increase frame rates if supported by the hardware used.
Image format
Width
[pixels]
Height
[pixels]
ROI area
[pixels]
Frame rate [fps]
200 MBps
250 MBps
300 MBps
Full resolution
5,312
3,040
16,197,120
11
14
17
UHD 4K
3,840
2,160
8,294,400
22
28
33
QSXGA
2,560
2,048
5,242,880
35
44
46
WQHD
2,560
1,440
3,686,400
49
61
64
QXGA
2,048
1,536
3,145,728
57
61
Full HD
1,920
1,080
2,073,600
83
83
UXGA
1,600
1,200
1,920,000
76
76
WXGA+
1,440
900
1,296,000
98
98
SXGA
1,280
1,024
1,310,720
88
88
HD 720
1,280
720
921,600
119
XGA
1,024
768
786,432
113
SVGA
800
600
480,000
139
VGA
640
480
307,200
166
QVGA
320
240
76,800
272
QQVGA
160
120
19,200
399
Maximum × half
5,312
1,520
8,074,240
22
28
33
Maximum × minimum
5,312
8
42,496
257
311
359
Minimum × maximum
8
3,040
24,320
32
Minimum × minimum
8
8
64
706
Table 47: Alvium 1800 U-1620m/c ROI frame rates at 200 to 300 MBps
Frame rate values
•
In triggered mode, the values for maximum frame rate reached in free run
mode are cut in half.
•
Frame rates increase when bandwidth is increased, see
