IBIS4-1300
Document Number: 38-05707 Rev. *B
Page 2 of 37
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
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