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Alvium USB Cameras User Guide V3.6.4
Specifications
Alvium 1800 U-291m/c
Feature
Specification
1800 U-291m (monochrome)
1800 U-291c (color)
Sensor model
Sony IMX421
Resolution
1944 (H) x 1472 (V); 2.9 MP
Sensor type
CMOS
Shutter type
Global shutter (GS)
Sensor size
Type 2/3; 8.8 mm × 6.6 mm; 10.8 mm diagonal
Pixel size
4.5 µm × 4.5 µm
CRA
0 deg
Sensor bit depth (ADC)
8-bit, 10-bit, 12-bit; Adaptive (10-bit, 12-bit)
Monochrome pixel formats
Mono8 (default), Mono10,
Mono10p, Mono12, Mono12p
Mono8, Mono10, Mono10p,
Mono12, Mono12p
YUV color pixel formats
Not applicable
YCbCr411_8_CbYYCrYY,
YCbCr422_8_CbYCrY,
YCbCr8_CbYCr
RGB color pixel formats
Not applicable
BayerRG8, BayerRG10,
BayerRG10p, BayerRG12,
BayerRG12p, BGR8,
RGB8 (default)
Maximum frame rate
141 fps (at 450 MBps)
Exposure time
151 µs to 10 s (at 450 MBps)
Exposure modes
Timed, TriggerControlled, TriggerWidth
Gain
0 dB to 24 dB; 0.1 dB increments
Digital binning
Horizontal: 1 to 8 columns; Vertical: 1 to 8 rows
Image buffer (RAM)
256 KB
Non-volatile memory (Flash)
1024 KB
GPIOs
4 programmable GPIOs
As direct inputs (push-pull): 0 to 5.5 VDC
As direct outputs (push-pull): 0 to 3.3 VDC at 12 mA
Power requirements
Power over USB; External power
Power consumption
(typical, at 5 VDC)
USB power: 4.0 W
External power: 4.2 W
Table 32: Alvium 1800 U-291m/c specifications (sheet 1 of 2)
