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參數(shù)資料
| 型號： | TC255 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, CDIP8 |
| 封裝： | 2.54 MM PITCH, WINDOWED, CERAMIC, DIP-8 |
| 文件頁數(shù)： | 18/18頁 |
| 文件大?。?/td> | 242K |
| 代理商： | TC255 |
TC255
336-
× 244-PIXEL CCD IMAGE SENSOR
SOCS034C – FEBRUARY 1993 – REVISED NOVEMBER 1994
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating range of supply voltage,TA = –10°C to 45°C
PARAMETER
MIN
TYP
MAX
UNIT
Dynamic range (see Note 2)
Antiblooming disabled (see Note 3)
66
dB
Charge conversion factor
11
12
13
V/e
Charge-transfer efficiency (see Note 4)
0.9995
0.99999
Signal-response delay time,
τ (see Note 5)
20
ns
Gamma (see Note 6)
0.97
0.98
0.99
Output resistance
350
Noise equivalent signal without correlated double sampling
62
electrons
Noise-equivalent signal with correlated double sampling (see Note 7)
31
electrons
ADB (see Note 8)
13
15
18
Rejection ratio
SRG (see Note 9)
50
dB
ABG (see Note 10)
40
Supply current
5
10
mA
IAG 1, 2
1000
Input capacitance Ci
SRG
22
pF
Input capacitance, Ci
ABG
850
pF
SAG
2000
NOTES:
2. Dynamic range is –20 times the logarithm of the mean-noise signal divided by saturation output signal.
3. For this test, the antiblooming gate must be biased at the intermediate level.
4. 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.
5. Signal-response delay time is the time between the falling edge of the SRG pulse and the output signal valid state.
6. 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)
7. A triple-level serial gate clock is necessary to implement correlated double sampling.
8. ADB rejection ratio is –20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at ADB. See Figure 11
for measured ADB rejection ratio as a function of frequency.
9. SRG rejection ratio is –20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at SRG.
10. ABG rejection ratio is –20 times the logarithm of the ac amplitude at the output divided by the ac amplitude at ABG.
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