NOIL2SM1300A-GWC ON Semiconductor, NOIL2SM1300A-GWC Datasheet - Page 31
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NOIL2SM1300A-GWC
Manufacturer Part Number
NOIL2SM1300A-GWC
Description
Manufacturer
ON Semiconductor
Datasheet
1.NOIL2SM1300A-GWC.pdf
(45 pages)
Specifications of NOIL2SM1300A-GWC
Lead Free Status / Rohs Status
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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
NOIL2SM1300A-GWC
Manufacturer:
ON/安森美
Quantity:
20 000
for multiple windows. The handling of integration time is
identical to the single window mode (except that in this case,
the maximum integration time is equal to the sum of the
integration time in function of the number of lines read
presents multiple slopes (proportional to the X size of these
windows). Because this can cause confusion when
programming the integration time, it is easier to configure all
timer registers using the clock cycle configuration instead of
the ’line’ configuration.
Multiple Slopes
capabilities of the sensor. The four colored lines in Figure 28
represent analog signals of the photodiode of four pixels,
which decrease as a result of exposure. The slope is
determined by the amount of light at each pixel (the more
light, the steeper the slope). When the pixels reach the
saturation level, the analog does not change despite further
Figure 27 shows the sequence of integration and read out
If the X size of the windows are not identical, the
Dynamic range can be extended by the multiple slope
Handling
Readout
Handling
Figure 28. Dynamic Range Extended by Multiple Slope Capability
FOT
FOT
Figure 27. Exposure and Read Out of Multiple Windows
ROT
Line Readout Window 1
Line Readout Window 2
Reset N
Readout N-1
Exposure Time N
Window 1
http://onsemi.com
Readout
Window 2
N-1
31
2
y_widths of the two windows). Read out starts with a FOT
that is similar to single window mode. After the FOT, all
lines of window 1 are read, followed by the lines of
window 2.
exposure. Without the multiple slope capabilities, the pixels
p3 and p4 are saturated before the end of the exposure time,
and no signal is received. However, when using multiple
slopes, the analog signal is reset to a second or third reset
level (lower than the original) before the integration time
ends. The analog signal starts decreasing with the same
slope as before, and pixels that were saturated before could
be nonsaturated at read out time. For pixels that never reach
any of the reset levels (for example, p1 and p2) there is no
difference between single and multiple slope operation.
resets (typical at 90% and 99% of the integration,
configurable by the user), it is possible to have a
nonsaturated pixel value even for pixels that receive a huge
amount of light.
FOT
FOT
By choosing the time stamps of the double and triple slope
Reset N+1 Exposure Time N + 1
Readout N
Window 1
Readout N
Window 2