1. 3 Million Pixel Progressive Scan Digital Camera Revision 2 August 3, 2004


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Silicon Imaging

SI-1300 MegaCamera

1.3 Million Pixel Progressive Scan Digital Camera




Revision 1.2

August 3, 2004



1.3 Million Pixels

1280 x 1024 Image Sensor

5.2 um Square Pixel

½ Optical format

Rolling Shutter

½ & ¼ Image Subsampling

10~40MHz Mhz Clock rates

10 Bit Digital Sampling

Auto Black Level Correction

64dB Dynamic Range

USB2.0 High-Speed Interface
**** Company Confidential ****






SI-1300-M & RGB MegaCamera™ 

1.3 Megapixel (1280 x 1024), 10-Bit Low-Noise, 40MHz

USB 2.0 High-Speed 480Mb/sec Digital Camera










Silicon Imaging is proud to continue its innovation in high-resolution color vision camera. Driven by the growing demand for consumer Digital Still Cameras, CMOS sensors are continuing to break technical barriers and surpass the performance characteristics of CCD’s in many photonic, imaging and consumer applications. By utilizing a single highly integrated CMOS device, which incorporates Megapixel sensing areas, timing generation, signal processing and high bandwidth outputs, Silicon Imaging has developed a very compact, low-power, ultra high speed Megapixel digital camera system.
1280 x 1024 Megapixel  - Ultra Resolution

The SI-1300 is an all-digital CMOS camera that delivers 1.3 Million pixels of resolution and is capable of running at 30 frame/sec at 1024 x 1024 resolution and 25fps at its full 1280x1024 resolution.   The entire package is only 45 x 52 x 50mm (33 x 40mm x 22mm in PCB) and is small enough to placed on a robot for semiconductor machine vision inspection or placed in an outdoor housing for remote surveillance. For handheld instrumentation designs the ‘R’ version PCB is small enough to fit into a 27mm diameter.
10-Bits Low-Noise (<20e-) – Sub-Pixel Accuracy

The SI-1300 MegaCameraä uses 10-Bit digitizers to sample the pixel data. Converting the pixel data directly to digital at the sensor head eliminates pixel-sampling jitter and enables accurate sub-pixel metrology, image analysis and improved live video reconstruction. The results are impressive with low-noise and low-dark currents to allow increases in gain and exposure time for improved signal noise. Image transfer can be switched from 8 to 16bit mode, to get full 10bit data. A programmable 10~40MHz clock allows for trade-off in bit-depth and speed versus exposure time and lower noise.
75 FPS VGA Subsampling - Fast Preview

Ideal for high speed preview and focusing, the SI-1300 is capable of generating imagery at over 100 frames per second by reducing the size of the readout image in color subsampling mode, This entire imager is readout by skipping pairs of pixels (4:2) to maintain color information of neighboring bayer groups. In this way, the 640x480 accurately represents the full size 1280x1024 image.
Automatic Black Level Correction – IR Sensitivity

The SI-1300 has automatic black level calibration, which measures the average value of 256 pixels from two dark rows of the imager for each of the four colors. The pixels are averaged as if they were light sensitive and passed through the appropriate color gain. This average is then digitally filtered over many frames and compared to minimum and maximum acceptable thresholds for automatic correction.
USB2.0 Bus-Powered – 40MB/sec Transfers

For low-cost and portable connectivity, with data transfer rates up to 40MB/sec, the SI-1300U provide convenient capture using the High-Speed 480Mb/sec USB 2.0 interface. It is a bus-powered unit, consuming less than 500mA at 5VDC and will operate without any external power supply. The precision-machined C-mount housing includes an integrated tethered USB cable and optional 3-pin trigger/strobe connection. For OEM board level configurations, two General Purpose Outputs are accessible; Pull-Up and pull-down driven transistors to be used to control light sources and switches.
Microsoft-XP™ Live Mode Kernel Driver - Fast captures

For applications which require a combination of high-resolution and streaming high-frame rate video images, Silicon Imaging has developed a custom driver which can request and capture double buffered images at the driver level. This method enables immediate request to camera for next image without user level software intervention. The double-buffers allow one image to processed by the host PC, while another image is being readout from the camera and filled into the user allocated memory space.






FEATURES



·       1280 x 1024 Resolution (1.3 Million Pixels)

·       1/2” Imaging Format, 5.2um Square Pixel

·       Rolling Shutter, Progressive scan

·       120fps Windowing at 320 x 240 QVGA

·       10 Bits per Pixel, 35MHz Sampling (Nominal)

·       10 ~ 45MHz Programmable Clock

·       IR-Sensitivity & Low-dark Currents (<20e-)

·       Programmable Gain, Exposure & Clocks

·       Auto Black Level Calibration

·      Monochrome & Color Bayer RGB Model

·       Custom PCB Version

·       USB2.0 High-Speed, 480Mb/sec Interface

·       C-Mount Precision Machined Housing

·       Image Capture & Color Processing SDK




SI-1300 USB2.0 MegaCamera Specifications


Sensor:

Optical Imaging Format

1/2” (6.83mm x 5.45mm)

Active Pixels

1,280H x 1,024V

Pixel Size (pitch)

5.2 µm x 5.2 µm

Pixel Type

CMOS

Aspect Ratio

1 : 1

Spectral Response

350 ~ 1000 nm

Peak QE

56% Monochrome @ 570nm

Minimum Illumination:

0.3 lux nominal ( SNR =1, f# = 2.8, exposure = 100ms, daylight)

Responsivity

2.1 V/lux-sec

Dark Current @ 25°C

20 e-/sec

Temporal Noise

10 e-

Saturation Charge

40,000 e-

Dynamic range

68.2 dB

Windowing (ROI)

Horizontal & Vertical speed increase

Sub-sampling

Full, 1/2, 1/4, 1/8

Gain MAX

15X, min step size 0.125

Readout Method

Progressive Scan

Black Level

Auto Black Level Calibration

Shutter

Rolling Shutter and Single Frame

Shutter Speed

Variable, 1 to 16383 row times

Horizontal Blanking

244 Clocks/line

Minimum Row Time

548 Clocks (304+ 244 Blanking)

Vertical Blanking

26 Rows

Row/Frame Time

1524 clocks/row x 1050/rows = 30fps



A/D Conversion & Sampling Clock Synthesizer

A/D Conversion

Nominal 35Mhz (24fps @ 1.0MP)

Vertical Resolution

10 Bit

Pixel Clock Frequency

10 ~ 40 Mhz Programmable



Digital Video Output

Readout Format

8-bit or 16bit (10-bit data)

Readout Rate

10 ~ 40Mhz ( 8bit format

10~ 25Mhz (16-bit format)

Max Transfer Rate

~ 40MB/sec(ICH4 or higher)

Frame Rate

1280 x 1024

1024 x 1024

1280 x 720

1024 x 768

640 x 480

320 x 240


40MHz

25

30

35

40

85

220

20MHz

12

15

17

20

42

110


Row Time


clocks/row / Clock =Row_Time

1524 / 40MHz = 38.1usec/row

Exposure Time

N-Row Times





USB2.0 High-Speed Interface & Control:

USB Speed

480Mb/sec (High-Speed)

Serial Communication

Endpoint 0, Vendor Protocol

Data Interface

Endpoint 2, 2K FIFO

Programmable Modes

Exposure, Gain, Windowing, Clock rates, Auto black, mirroring.

Region-of–Interest

Programmable Horiz & Vertical

Gains (R,G,B,G & Global)

Individual R,G1,B, G2 Gains

Range: 15X, MIN step size 0.125

Setting Timing

Next top of Frame

Ext Clock Sync

Clock in or Clock Out (-X Option)

External Triggers

TTL Trigger-In / Strobe-Out

w/3-Pin connection (option)



Power

Input Voltage

+5 VDC +/- 10%

Power

2.5 Watts

Trigger Connection (opt)

Tajimi RO3-PB3M 3Pin (optional)




Mechanical

Lens Mount

C-Mount, 7mm Back focus Adj.

Enclosure Size

45mm W x 52mm H x 50mm L

Weight

12 oz.

Camera Mount

¼” x 20 standard tripod mount

Cable Connector

Mini-B USB



Spectral Response Curve (Monochrome)


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