CYII4SD1300AA-QWC Cypress Semiconductor Corp, CYII4SD1300AA-QWC Datasheet - Page 11
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CYII4SD1300AA-QWC
Manufacturer Part Number
CYII4SD1300AA-QWC
Description
IC SENSOR IMAGE COLOR 84-LCC
Manufacturer
Cypress Semiconductor Corp
Type
CMOS Imagingr
Datasheet
1.CYII4SM1300AA-QDC.pdf
(35 pages)
Specifications of CYII4SD1300AA-QWC
Pixel Size
7µm² x 7µm²
Active Pixel Array
1286H x 1030V
Frames Per Second
7
Voltage - Supply
5V
Package / Case
84-LCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
There are 2 modes of offset calibration for the output amplifier:
slow and fast adjustment.
waveforms for fast offset adjustment mode. Closing both 'calib_f'
and 'unitygain' operates it. After 'calib_f' is opened again, the
offset level is adjusted to the desired value in a single cycle. The
signal applied to the output amplifier should be stable just before
and during the adjustment phase. The same is true for the DAC
output.
Figure 8.
adjustment mode. It is operated by pulsing 'calib_s'. The
amplifier input signal must be stable and refer to 'dark' signal at
the moment when calib_s goes low. The offset is slowly adjusted
Document Number: 38-05707 Rev. *C
shows the timing and signal waveforms for slow offset
unitygain
calib_f
signal
dark
Figure 7.
calib_s
signal
dark
Figure 7. Offset Adjustment: Fast Offset Adjustment Mode
shows the timing and signal
> 100 ns
Figure 8. Slow Offset Adjustment Mode
stable input
min 100 ns
stable input
min. 500 ns
min. 100 ns
> 0
The signal applied to the output amplifier can be either:
■
■
If this fast offset adjustment is used, it should be done once each
frame, before the readout of the frame starts, e.g., during the
blanking time of the first line.
with a time constant of about 100 of these pulses. One pulse is
then generated during each row blanking time.
The baseline is to use the fast calibration once per image. The
slow calibration is intended as alternative if, for very slow
readout, the offset drifts during the image.
The signal generated by the electrical dark reference in the
imager core itself, i.e., the pixels named "dark" in
Apply the reference from outside on the pin EXTIN, controlled
by SEL_EXTIN.
CYII4SM1300AA
Page 11 of 35
Figure 20.
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