NOIL1SM4000A-GDC ON Semiconductor, NOIL1SM4000A-GDC Datasheet - Page 12
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NOIL1SM4000A-GDC
Manufacturer Part Number
NOIL1SM4000A-GDC
Description
LUPA4000 MONO PGA127
Manufacturer
ON Semiconductor
Datasheet
1.NOIL1SM4000A-GDC.pdf
(30 pages)
Specifications of NOIL1SM4000A-GDC
Lead Free Status / Rohs Status
Supplier Unconfirmed
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NOTES: 10. AH: Active High
Test Signals
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Table 5. FRAME RATE AS FUNCTION OF ROI READ OUT AND SUB SAMPLING
2048 x 2048
1024 x 2048
1024 x 1024
640 x 480
The test structures implemented in this image sensor are:
Spi_load (AH
then the data is internally available on the rising edge of
SPI_load.
Sh_kol (AL
It is used in sample and hold mode and binning mode.
Norowsel (AH
readout (see Timing and Readout of Image Sensor).
Pre_col (AL
to reduce row blanking time.
Voltage averaging (AH
voltage averaging of two pixels.
Array of pixels (6 x 12) that outputs are tied together:
used for spectral response measurement.
Temperature diode (2): Apply a forward current of
10 mA to 100 mA and measure the voltage V
diode. V
decreases with approximately 1.6 mV/°C).
End of scan pulses (do not use to trigger other signals):
♦
♦
♦
Image Resolution (X*Y)
indicating when the end of line is reached. It is not
generated when windowing.
indicating when the end of frame is reached. It is not
generated when windowing.
is transferred correctly through the SPI.
Eos_x: end of scan signal: is an output signal,
Eos_y: end of scan signal: is an output signal,
Eos_spi: output signal of the SPI to check if the data
11. AL: Active Low
T
varies linear with the temperature (V
[11]
[11]
[10]
[10]
): Control signal of the column readout.
): Control signal of the column readout
): When the SPI register is uploaded,
): Control signal of the column
[10]
): Signal required obtaining
Frame Rate [frames f/S]
210
15
31
62
T
of the
T
http://onsemi.com
12
Frame Readout Time [mS]
Frame Rate and Windowing
Frame Rate
amplifier should run at 66 MHz pixel rate or two output
amplifiers should run at 33 MHz each, assuming an ROT of
200 ns.
follows:
x Nr. Pixels) with:
(66 MHz pixel rate):
= 64 ms ³ 15 fps.
ROI Readout (Windowing)
point of the x-address and y-address is uploaded. This
downloaded starting point initiates the shift register in the
x-direction and y-direction triggered by the Sync_x and
Sync_y pulse. The minimum step size for the x-address and
the y-address is 2 (only even start addresses can be chosen).
The size of both address registers is 10-bits. For instance,
when the addresses 0000000001 and 0000000001 are
uploaded, the readout starts at line 2 and column 2.
To acquire a frame rate of 15 frames/sec, the output
The frame period of the LUPA4000 sensor is calculated as
Frame period = FOT + (Nr. Lines x (ROT + pixel period
FOT = 5 ms
Nr. Lines: Number of Lines read out each frame (Y)
Nr. Pixels: Number of pixels read out each line (X)
ROT = 200 ns (nominal; can be further reduced)
Pixel period: 1/66 MHz = 15.15 ns
Example read out of the full resolution at nominal speed
Frame period = 5 ms + (2048 x (200 ns + 15.15 ns x 2048)
Windowing is achieved by an SPI in which the starting
4.7
67
32
16
Full resolution.
Subsample in X-direction.
ROI read out.
ROI read out.
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