Sensor overview

Table of Contents

• CCD sensors
  • Introduction
  • Output sequence of RAW data (only color versions)
• CMOS sensors
  • Introduction

CCD sensors

Introduction

The CCD sensors are highly programmable imager modules which incorporates the following features:

Sensors	0.3 Mpixels resolution CCD sensor (-M720a)	0.8 Mpixels resolution CCD sensor (-M721)	1.2 Mpixels resolution CCD sensor (-M722)	1.9 Mpixels resolution CCD sensor (-M724)
Sensor supplier	Sony	Sony	Sony	Sony
Sensor name	ICX424AL/AQ	ICX204AL/AQ	ICX445ALA/AQA	ICX274AL/AQ
Resolution	640 x 480 gray scale or RGB Bayer mosaic	1024 x 768 gray scale or RGB Bayer mosaic	1280 x 964 gray scale or RGB Bayer mosaic	1600 x 1200 gray scale or RGB Bayer mosaic
Pixel clock	20 MHz / 40 MHz
Max. frames per second	100	39	25	16
Exposure time	1 us - 128 s	1 us - 128 s	1 us - 128 s	1 us - 128 s
Programmable analog gain and offset	X	X	X	X
Frame integrating progressive scan sensor (no interlaced problems!)	X	X	X	X
High resolution	X	X	X	X
High color reproductivity (for color version)	X	X	X	X
High sensitivity, low dark current	X	X	X	X
Continuous variable-speed shutter	X	X	X	X
Overlapped mode	X	X	X	X
Low smear	X	X	X	X
Excellent antiblooming characteristics	X	X	X	X
Programmable exposure time from usec to sec.	X	X	X	X
Programmable readout timing with free capture windows and partial scan	X	X	X	X
Many trigger modes (free-running, software-triggered, hardware-triggered)	X	X	X	X
Flash control output, synchronous to exposure period	X	X	X	X
More specific data	mvBlueLYNX-M720a (0.3 Mpix [640 x 480])	mvBlueLYNX-M721 (0.8 Mpix [1024 x 768])	mvBlueLYNX-M722 (1.2 Mpix [1280 x 960])	mvBlueLYNX-M724 (1.9 Mpix [1600 x 1200])

Output sequence of RAW data (only color versions)

Figure 1: Output sequence of RAW data

CMOS sensors

Introduction

The CMOS sensor module incorporates the following features:

Sensors:	1.3 Mpixels resolution CMOS sensor (-M702a)
Sensor supplier	Aptina
Sensor name	MT9M001
Resoultion	1280 x 1024 gray scale
Pixel clock	40 MHz
Max. frames per second (in free-running full frame mode)	30
Exposure time	31 us - 0.5 s
SNR	45 dB
DNR (normal / HDR)	> 68 dB /
Progressive scan sensor (no interlaced problems!)	X
Rolling Shutter	X
Synchronous (snapshot) Shutter	no
High color reproductivity (for color version)	no
Programmable readout timing with free capture windows and partial scan	X
Many trigger modes (free-running, software-triggered, hardware-triggered)	no software trigger
Flash control output, synchronous to exposure period	no
More specific data	mvBlueLYNX-M702a (1.3 Mpix [1280 x 1024])

Note

For further information about rolling shutter, please have a look at the practical report about rolling shutter on our website: http://www.matrix-vision.com/tl_files/mv11/Glossary/art_rolling_shutter_en.pdf

For further information about image errors of image sensors, please have a look at

For further information about image errors of image sensors, please have a look at Correcting image errors of a sensor.