R4220 查看數據表（PDF） - Hamamatsu Photonics
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R4220 Datasheet PDF : 4 Pages
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Figure 2: Typical Gain and Anode Dark Current
TPMSB0011EA
10–5
108
10–6
107
10–7
10–8
10–9
10–10
10–11
10–12
300
106
GAIN
105
ANODE DARK CURRENT
104
103
102
400 500 600 800 1000
SUPPLY VOLTAGE (V)
101
1500
Figure 4: Typical ENI vs. Wavelength
TPMSB0012EA
10–13
10–14
10–15
10–16
10–17
100 200 300 400 500 600 700 800
WAVELENGTH (nm)
Figure 6: Typical Single Photon Pulse Height
Distribution for R4220P
TPMSB0014EC
1.0
WAVELENGTH OF INCIDENT LIGHT : 450 (nm)
SUPPLY VOLTAGE
: 740 (V) (which is producing 106
0.8
Current Amplification)
LOWER LEVEL DISCRI. : 65 (ch)
PHOTON+DARK COUNT : 5562 (cps)
DARK COUNT
: 10 (cps)
AMBLENT TEMPERATURE : 25 (°C)
0.6
0.4
SIGNAL+DARK
0.2
DARK
0
200
400
600
800
CHANNEL NUMBER (CH)
1000
Figure 3: Typical Time Response
TPMSB0004EB
100
80
60
40
20
TRANSIT TIME
10
8
6
4
RISE TIME
2
1
300
500
700
1000
SUPPLY VOLTAGE (V)
1500
Figure 5: Typical EADCI (Equivalent Anode Dark
Current Input) vs. Supply Voltage
TPMSB0013EA
10-10
10-11
10-12
10-13
10-14
300
400 500 600
800 1000
SUPPLY VOLTAGE (V)
1500
Data shown here, which is given from a relation among supply voltage,
anode sensitivity and dark current, serves as a good reference in order
to determine the most suitable supply voltage or its range.
Figure 7: Typical Temperature Characteristics
of Dark Count for R4220P
TPMSB0015EA
104
103
102
101
100
10–1
–20
0
+20
+40
+60
TEMPERATURE (°C)
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