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Part: Camelia4M
Category:
Sensors
-> Image Sensors
-> Cameras (& Camera Modules)
Description: Area Array Ccd, 2048 X 2048, Digital 12-bit Output, 4.3 F/s
Company: ATMEL Corporation
Datasheet: Download Camelia4M datasheet File size : 188 kB
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Datasheet text preview:
Main Features
· · · · · · · · ·
High Sensitivity Full Frame CCD Sensor 2048 x 2048 Resolution with 14 µm Square Pixels 100% Aperture Pixels 12-bit Dynamic Range Very Low Noise: 66 dB SNR Binning Modes LVDS Data Format High Data Rate: 20 Mpixels/s Flexible and Easy to Operate via RS-232 Control Trigger Mode: Free Run or External Trigger Modes Binning 2 x 2 and 4 x 4 Exposure Time Gain: x1 to x8 3-Shot Color Operation · Single Power Supply: DC 24V · High Reliability CE Compliant · F (Nikon) Mount Adapter (Lens Not Supplied)
CAMELIA 4M
Full Frame Black and White and 3-Shot Color Digital Camera
Product Description
This camera is designed to meet high performance and quality requirements while providing ease of use. · ATMEL manages the whole process, from the sensor to the camera. The result is a camera that works in 12-bit, with dedicated electronics that provides an excellent signal to noise ratio. The sensitivity of the camera is fairly high even in the near infrared thanks to the 100% aperture pixel. The programmable settings let the user work at different integration times and gains. The external trigger allows synchronization of the camera on an external event, while the 3-shot color mode allows very high resolution for color image acquisition.
· ·
Appl ication s
Performance and reliability of this camera make it well suited for the most demanding applications such as film and document scanning, semiconductor and PCB inspection, DNA analysis, metrology, X-ray imaging.
Rev. 5301BIMAGE04/03
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Camelia Package Contents
Depending on the selected configuration, a Camelia package may include: · · · · · · · Camelia camera FGT frame grabber board Power supply Cable and RS-232 cable Data and Sync cable COMMCAM software FGT software Documentation 24V (0.6A) power supply Computer: Minimal configuration: PENTIUM II 350 MHz RAM: 128 Mb, 256 Mb for 3-shot color mode Cache memory: 256 Kb 1 free PCI slot Operating System: Windows® NT 4.0 Windows® 95b, 98 · · NIKON lens Lighting control (shutter/chopper or pulsed lighting)
System Requirements
· ·
Getting Started
1. Connect the camera to one of the computer serial ports (COM1 or COM2) by using the RS-232 cable. 2. Power on the camera. 3. Install the COMMCAM software in your computer (see the "COMMCAM User Guide"). 4. Install the FGT frame grabber board and the FGT software on your computer (see the "FGT Frame Grabber User Guide"). 5. Run the system.
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CAMELIA 4M Digital Camera
5301BIMAGE04/03
CAMELIA 4M Digital Camera
Imaging System Description
Figure 1. Imaging System
Control Box
FGT Frame Grabber
Light Source
Light & Shutter Trigger Cables
Data & Sync Cable
RS-232 Cable
Computer
Lens
Shutter & BG38 Camera
Power Supply Cable 24V
The Camelia 4M is powered by a 24V power supply and is configured through the serial port of the computer. The camera sends digital video to the FGT frame grabber. As Camelia's CCD is a full frame sensor, either pulsed lighting or a chopper/shutter mus t be used in front of the camera during integration time in order to have incident lighting on the CCD. The user must design an electro-optical interface to drive the camera, shutter/chopper or lighting by using the SHUTTER signal delivered by the camera. If required, the system can send an external trigger or external ITC (integration time control) signal to the camera.
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Camelia 4M Camera
CCD Description
· · · · Image format: 28.7 mm (V) x 28.7 mm (H) 2048 mm (V) x 2048 mm (H) active pixels Readout register along the small side of the image area (vertical image) Pixel geometry: · 14 µm (V) x 14 µm (H) 100% aperture ratio
Antiblooming by clocking
Timing
2 x 2 and 4 x 4 pixel binning can be used to enable previewing modes. Data rate (pixel clock): 20 MHz Table 1. Frame Readout Time
Mode No binning 2 x 2 pixel binning 4 x 4 pixel binning Frame Readout Times 235 ms 125 ms 70 ms
Three timing modes are available: · · · Continuous Timing Mode Continuous External triggered Integration time controlled (ITC)
The camera delivers frames continuously: · · Frame N+1 integration starts as soon as frame N readout is completed. Integration time is set by RS-232.
Figure 2. Continuous Timing Diagram
Frame integration Int. time set by RS-232 LEN 2046 2047 Video lines FEN 2048 1 2 3 Shutter delay Frame readout 2048 pixels 2 ms
SHUTTER
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CAMELIA 4M Digital Camera
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CAMELIA 4M Digital Camera
External Trigger Timing Mode The external TRIG signal allows the user to control the start of frame integration: · · · The rising edge of TRIG activates the start of frame integration. This rising edge is synchronized by the camera with a precision of 112 µs. Integration time is set by RS-232. Note that the TRIG signal period must be greater than the sum of the integration time and the frame readout time.
Figure 3. External Trigger Timing Diagram
Frame integration Int. time set by RS-232 TRIG 2048 pixels LEN 2046 Video lines FEN SHUTTER 2047 2048 1 2 3 Shutter delay Frame readout Waiting
Integration Time Control (ITC) Timing Mode
The external ITC signal allows the user to fully control frame integration: · · · The falling edge of ITC activates the start of frame integration. This falling edge is synchronized by the camera with a precision of 112 µs. The rising edge of ITC activates the stop of frame integration. This rising edge is synchronized by the camera with a precision of 112 µs. Note that the ITC signal period must be greater than the sum of the integration time (defined by ITC low) and the frame readout time.
Figure 4. "Integration Time Control" Timing Diagram
Frame integration ITC 2048 pixels LEN 2046 Video lines FEN SHUTTER 2047 2048 1 2 3 Shutter delay Frame readout Waiting
Antiblooming by Clocking
Antiblooming can be activated or inhibited (see "RS-232 Interface" on page 8): · · Antiblooming OFF: antiblooming inhibited. Recommended if antiblooming is not required for the application. Antiblooming ON: antiblooming activated.
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