TC281 Datasheet, PDF (10/18 Pages) Texas Instruments – 1036- × 1010-pixel ccd image sensor

TC281
1036- × 1010-PIXEL CCD IMAGE SENSOR
SOCS058B – JUNE 1996 – REVISED MAY 1999
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature
PARAMETER
MIN
TYP MAX UNIT
Dynamic range (see Note 2)
62
dB
Charge-conversion factor
10
µV/e
Charge-transfer efficiency (see Note 3)
0.99990 0.99995
1
Signal-response delay time, Tau (see Note 4)
7
ns
Output resistance
310
400
Ω
Noise-equivalent signal
12
25
electrons
Supply current (see Note 5)
IDD
3.5
5 mA
IAG
14500
SAG
14500
Capacitance
SRG
52
pF
TRG
50
RST
5.5
† _{All typical values are used at TA = 25°C.}
NOTES: 2. Dynamic range is – 20 times the logarithm of the mean-noise signal divided by the saturation-output signal.
3. Charge-transfer efficiency is one minus the charge loss per transfer in the output register. The test is performed in the dark using
an electrical input signal.
4. Signal-response delay time is the time between the falling edge of the SRG pulse and the output-signal valid state.
5. VADC at 12 V and VSUBSTRATE at ground.
optical characteristics
PARAMETER
MIN
TYP MAX
UNIT
Sensitivity (see Note 6)
No IR filter
With IR filter
240
mV/lux
30
Saturation signal, Vsat (see Note 7)
Blooming overload ratio (see Note 8)
Antiblooming off
320
mV
300
1000
Image-area well capacity
32K
electrons
Smear at 5 MHz (see Notes 9 and 10)
Dark current
Electronic-shutter capability
TA = 21°C
1/1000
0.06%
0.4
1/30
Saturation
nA/cm2
sec
NOTES: 6. Based on 16.67 ms integration time.
7. Saturation is the condition in which further increases in exposure do not lead to further increase in output signal.
8. Blooming-overload ratio is the ratio of blooming exposure to saturation exposure.
9. Smear is a measure of the error introduced by transferring charge through an illuminated pixel in shutterless operation. It is
equivalent to the ratio of the single-pixel transfer time to the exposure time using an illuminated section that is 1/10 of the image-area
vertical height with recommended clock frequencies.
10. The exposure time is 16.67 ms, the fast dump clocking rate during vertical timing is 10 MHz, and the illuminated section is 1/10 of
the height of the image section.
10
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