80
Alvium USB Cameras User Guide V3.6.4
Specifications
ROI frame rates
Values were calculated as defined in
To reach the maximum frame rate available for this setup, the bandwidth for image
traffic is 450 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
1456
1088
1.584
248 / 129 / 128 209 / 108 / 107
116 / 59 / 58
WXGA+
1440
900
1.296
298 / 155 / 154 252 / 130 / 129
140 / 71 / 71
SXGA
1280
1024
1.311
267 / 155 / 154 251 / 130 / 129
139 / 70 / 70
HD 720
1280
720
0.922
362 / 212 / 211 341 / 179 / 178
192 / 98 / 98
XGA
1024
768
0.786
345 / 249 / 211 345 / 208 / 208 223 / 115 / 115
SVGA
800
600
0.480
428 / 353 / 264 428 / 328 / 264 350 / 183 / 183
VGA
640
480
0.307
517 / 428 / 321
517 / 273 / 272
HVGA
480
320
0.154
712 / 593 / 449
712 / 498 / 449
QVGA
320
240
0.077
873 / 740 / 564
HQVGA
240
160
0.038
1129 / 975 / 750
QQVGA
160
120
0.019
1322 / 1154 / 896
Max. × half
1456
544
0.792
446 / 238 / 236 381 / 201 / 199 215 / 111 / 110
Max. × min.
1456
8
0.012
2098 / 1444 /
1376
1941 / 1306 /
1250
1421 / 866 /
844
Min. × max.
8
1088
0.009
257 / 212 / 157
Min. × min.
8
8
64 pixels
2535 / 2374 / 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 Bayer
RG
8.
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 29: Alvium 1800 U-158m/c ROI frame rates