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| 型號(hào)： | TC227-40 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO6 |
| 封裝： | WINDOWED, PLASTIC PACKAGE-6 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大小： | 216K |
| 代理商： | TC227-40 |
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TC221, TC225, TC227
SMALL-FORMAT CCD IMAGE SENSORS
SOCS037C – DECEMBER 1991 – REVISED AUGUST 1997
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating ranges of supply voltage and operating
free-air temperature (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
Dynamic range (see Note 2)
60
dB
Charge-conversion factor
9.5
V/e
Charge-transfer efficiency (see Note 3)
0.99990
1.00000
Signal-response delay (see Note 4)
30
ns
Gamma (see Note 5)
0.90
1.0
Noise-equivalent signal (KTC noise without CDS circuit)
36
e
Output resistance
600
ADB (see Note 6)
–20
Rejection ratio
SRG (see Note 7)
–40
dB
ABG (see Note 8)
–50
Supply current
5
mA
IAG
600
Input capacitance, Ci (TC221)
SRG
20
pF
ABG
240
IAG
1320
Input capacitance Ci (TC225)
SRG1, SRG2
40
pF
Input capacitance, Ci (TC225)
TRG
60
pF
ABG
520
IAG
200
Input capacitance, Ci (TC227)
SRG
10
pF
ABG
100
All typical values are 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 1 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 clock pulse and the output-signal valid state.
5. Gamma (
γ) is the value of the exponent in the equation below for two points on the linear portion of the transfer-function curve (this
value represents points near saturation):
Exposure (2)
Exposure (1)
g
+
Output signal (2)
Output signal (1)
6. ADB rejection ratio is – 20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at ADB.
7. SRG rejection ratio is – 20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at SRG.
8. ABG rejection ratio is – 20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at ABG.
optical characteristics, TA = 25°C, integration time = 16.67 ms (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
Sensitivity (see Note 9)
No IR Filter
210
mV/lx
Sensitivity (see Note 9)
With IR Filter
30
mV/lx
Saturation signal (see Note 10)
350
380
400
mV
Maximum usable signal
170
190
200
mV
Blooming overload ratio (see Note 11)
5
Image-area well capacity
40
ke
Dark current
TA = 21°C
0.27
nA/cm2
Dark signal uniformity
TA = 45°C
10
mV
Shading
Output signal = 100 mV
20%
NOTES:
9. Sensitivity is measured at a source temperature of 2856 K. A 1-mm CM-500 filter is used.
10. Saturation is the condition in which further increase in exposure does not lead to further increase in output signal.
11. Blooming-overload ratio is the ratio of blooming exposure to saturation exposure.
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