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IBIS4-1300

1.3 MPxl Rolling Shutter CMOS Image Sensor



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IBIS4-1300 pdf
IBIS4-1300
1.3 MPxl Rolling Shutter CMOS Image
Sensor
Overview
The IBIS4-1300 is a digital CMOS active pixel image sensor
with SXGA format.
Due to a patented pixel configuration a 60% fill factor and 50%
quantum efficiency are obtained. This is combined with an
on-chip double sampling technique to cancel fixed pattern
noise.
Features
• SXGA resolution: 1280 x 1024 pixels
• High sensitivity 20 µV/e-
• High fill factor 60%
• Quantum efficiency > 50% between 500 and 700 nm.
• 20 noise electrons = 50 noise photons
• Dynamic range: 69 dB (2750:1) in single slope operation
• Extended dynamic range mode (80…100 dB) in double
slope integration
• On-chip 10 bit, 10 mega Samples/s ADC
• Programmable gain & offset output amplifier
• 4:1 sub sampling viewfinder mode (320x256 pixels)
• Electronic shutter
• 7 x 7 µm2 pixels
• Low fixed pattern noise (1% Vsat p/p)
• Low dark current: 344 pA/cm2
• (1055 electrons/s, 1 minute auto saturation)
• RGB or monochrome
• Digital (ADC) gamma correction
Part Number
Part Number
Package Glasslid RGB/B&W
CYII4SC1300AA-QSC LCC
S8612 RGBBayer
pattern
CYII4SM1300AA-QDC LCC
D263
B&W
Cypress Semiconductor Corporation
Document Number: 38-05707 Rev. *B
• 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Revised January 2, 2007
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IBIS4-1300
TABLE OF CONTENTS
Overview ............................................................................................................................. 1
Features .............................................................................................................................. 1
Part Number ........................................................................................................................ 1
Architecture of the image sensor.......................................................................................... 4
Image sensor core - focal plane array ...................................................................................... 5
Output amplifier ........................................................................................................................ 11
Analog to digital converter ........................................................................................................ 17
ADC timing ............................................................................................................................... 18
Operation of the image sensor ............................................................................................ 20
Set configuration & pulse timing ............................................................................................... 20
Illumination control ................................................................................................................... 26
"Double slope" or "High-dynamic range" mode ........................................................................ 27
Electrical parameters ............................................................................................................... 28
Pin configuration .................................................................................................................. 29
Pin list ....................................................................................................................................... 29
Bonding pad geometry for the IBIS4-1300 ............................................................................... 31
Package .............................................................................................................................. 33
Cover glass .............................................................................................................................. 33
Ordering Information ........................................................................................................... 35
FAQ ..................................................................................................................................... 35
Temperature dependence of dark signal ................................................................................. 35
Useful range of "double slope" ................................................................................................. 35
Skipping rows or columns ........................................................................................................ 36
Disclaimer ............................................................................................................................ 36
Document History Page ...................................................................................................... 37
LIST OF FIGURES
Block diagram ................................................................................................................................... 4
Architecture of the image sensor core .............................................................................................. 4
Pixel selection - principle .................................................................................................................. 5
Spectral response * fill factor of the IBIS4-1300 pixels ..................................................................... 7
Near infrared spectral response ....................................................................................................... 8
IBIS4-1300 response curve - two pixels - lowest gain setting (0000) ............................................... 9
Output amplifier architecture ............................................................................................................. 12
Offset adjustment: fast offset adjustment mode ............................................................................... 13
Slow offset adjustment mode ............................................................................................................ 13
Output amplifier DC gain .................................................................................................................. 15
Output amplifier bandwidth for different gain settings ....................................................................... 16
Typical transfer characteristic of the output amplifier (no clipping, Voffset = 2 V, input signal during offset
adjustment is 1.2 V) ........................................................................................................................... 16
Suggested circuit for high and low references of DAC ..................................................................... 17
Document Number: 38-05707 Rev. *B
Page 2 of 37
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Part Number IBIS4-1300
Description 1.3 MPxl Rolling Shutter CMOS Image Sensor
Maker Cypress Semiconductor - Cypress Semiconductor
Total Page 30 Pages
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