C30902S 查看數據表（PDF） - PerkinElmer Inc
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C30902S Datasheet PDF : 7 Pages
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C30902E, C30902S, C30921E, C30921S
Electrical Characteristics1 at TA = 22°C
C30902E, C309021E
Min Typ Max
C30902S, C30921S
Min Typ Max
Units
Breakdown voltage, VBR
-
Temperature Coefficient of
VR for Constant Gain
0.5
Gain
-
Responsivity:
At 900 nm
55
At 830 nm
70
Quantum Efficiency:
At 900 nm
-
At 830 nm
-
Dark Current, Id
-
Noise Current, in: 2
f = 10 kHz, ∆f = 1.0 Hz
-
Capacitance, Cd
-
Rise Time, tr:
RL = 50Ω, λ = 830 nm,
10% to 90% points
-
Fall Time:
RL = 50Ω, λ = 830 nm,
90% to 10% points
-
Geiger Mode (See Appendix)
Dark Count Rate at 5% Photon
Detection Probability 3 (830 nm):
22°C
-
-25°C
-
Voltage Above VBR for 5% Photon
Detection Probability 3
(830 nm) (See Figure 8)
-
Dead-Time Per Event
(See Appendix)
-
After-Pulse Ratio at 5% Photon
Detection Probability (830 nm)
22°C 4
-
225
-
0.7
0.8
150
-
65
-
77
-
60
-
77
-
1.5x10-8 3x10-8
(Figure 6)
2.3x10-13 5x10-13
(Figure 3)
1.6
2
0.5 0.75
0.5 0.75
-
-
-
-
-
-
-
-
-
-
-
225
-
0.5
0.7
0.8
-
250
-
92
108
-
117 128
-
-
60
-
-
77
-
-
1x10-8 3x10-8
(Figure 6)
- 1.1x10-13 2x10-13
(Figure 3)
-
1.6
2
-
0.5 0.75
-
0.5 0.75
- 15,000 30,000
-
350 700
-
2
-
-
300
-
-
2
15
V
V/°C
A/W
A/W
%
%
A
A/Hz1/2
pF
ns
ns
cps
cps
V
ns
%
Note 1. At the DC reverse operating voltage VR supplied with the device and a light spot diameter of 0.25 mm (C30902E, S) or 0.10 mm (C30921E, S). Note that a specific value
of VR is supplied with each device. When the photodiode is operated at this voltage, the device will meet the electrical characteristic limits shown above. The voltage value will be
within the range of 180 to 250 volts.
Note 2. The theoretical expression for shot noise current in an avalanche photodiode is in = (2q (Ids + (IdbM2 + PoRM) F) Bw)1/2 where q is the electronic charge, Ids is the dark
surface current, Idb is the dark bulk current, F is the excess noise factor, M is the gain, Po is the optical power on the device, and Bw, is the noise bandwidth. For these devices F =
0.98 (2-1/M) + 0.02 M. (Reference: PP Webb, RJ McIntyre, JJ Conradi, "RCA Review", Vol. 35 p. 234, (1974)).
Note 3. The C30902S and C30921S can be operated at a substantially higher Detection Probabilities. See Appendix.
Note 4. After-Pulse occurring 1 microsecond to 60 seconds after main pulse.
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