DATA SHEET
PHOTO DIODE
NDL5481P Series
1 300 nm OPTICAL ANALOG CATV SYSTEM
φ80 μm InGaAs PIN PHOTO DIODE MODULE WITH SMF
DESCRIPTION
NDL5481P Series is InGaAs PIN photo diode modules with singlemode fiber. They are designed for analog transmission systems like CATV applications, and feature low intermodulation distortion and 40 dB minimum of optical return loss.
FEATURES
∙ |
Low intermodulation distortion |
IMD2 = −75 dBc MAX. |
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IMD3 = −90 dBc MAX. |
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Optical return loss |
45 dB |
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High quantum efficiency |
η = 81 % @ λ = 1 300 nm |
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∙ |
Small dark current |
ID = 0.1 nA |
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Small capacitance |
Ct = 0.7 pF |
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∙ |
Low operating voltage |
VR = 10 V |
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∙ |
Detecting area size |
φ 80 μm |
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∙Coaxial module with singlemode fiber (SM-9/125)
∙NDL5481P1 and NDL5481P2 have a flange.
NDL5481P
Optical Fiber:
SM-9/125
Length: 1 m MIN.
Shrunk tube
PACKAGE DIMENSIONS |
• |
in millimeters |
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NDL5481P1 |
NDL5481P2 |
Optical Fiber: |
Optical Fiber: |
SM-9/125 |
SM-9/125 |
Length: 1 m MIN. |
Length: 1 m MIN. |
Shrunk tube |
Shrunk tube |
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φ2.5 |
30.0 MAX. |
6.9±0.3 |
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φ6.0+0.0–0.1 |
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φ0.45 |
MIN. |
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12.5 |
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+0.0 –0.1 |
2 |
3 1 |
3.0±0.3 |
6.0 |
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φ 2.0 |
6.9±0.3 |
3.9±0.5 |
2–φ2.2
φ2.5 |
MAX. |
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14.0±0.1 |
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φ6.0 |
+0.0–0.1 |
30.0 |
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12.5 MIN. 4.0±0.1 |
7.0±0.3 |
1.5 |
2 3 |
1 |
4.0±0.3 |
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φ 2.0 |
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18.0±0.1 |
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LEAD CONNECTION |
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1 |
Anode (Negative) |
3 |
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2 |
Cathode (Positive) 2 |
1 |
3 Case
φ2.5
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φ6.0 |
+0.0 |
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–0.1 |
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2.5±0.1 |
0.5±0.1 |
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2 3 1
φ 2.0
12.0±0.1
16.0±0.2
MAX.30.0
MIN.12.5 2–φ2.5
7.0±0.15
The information in this document is subject to change without notice.
Document No. P10311EJ3V0DS00 (3rd edition) Date Published March 1996 P
Printed in Japan
The mark • shows major revised points.
© 1994
NDL5481P Series
•ORDERING INFORMATION
Part Number |
Available Connector |
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NDL5481P |
Without Connector |
no flange |
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NDL5481PC |
With FC-UPC Connector |
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NDL5481PD |
With SC-UPC Connector |
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NDL5481P1 |
Without Connector |
flat mount flange |
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NDL5481P1C |
With FC-UPC Connector |
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NDL5481P1D |
With SC-UPC Connector |
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NDL5481P2 |
Without Connector |
vertical flange |
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NDL5481P2C |
With FC-UPC Connector |
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NDL5481P2D |
With SC-UPC Connector |
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ABSOLUTE MAXIMUM RATINGS (TC = 25 °C)
Parameter |
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Symbol |
Ratings |
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Unit |
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Reverse Voltage |
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VR |
20 |
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V |
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Forward Current |
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IF |
10 |
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mA |
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Optical Input Power |
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Pin |
8 |
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mW |
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Operating Case Temperature |
TC |
−40 to +85 |
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°C |
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Storage Temperature |
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Tstg |
−40 to +85 |
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°C |
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ELECTRO-OPTICAL CHARACTERISTICS (TC = 25 °C) |
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Parameter |
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Symbol |
Conditions |
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MIN. |
TYP. |
MAX. |
Unit |
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Dark Current |
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ID |
VR = 10 V |
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0.1 |
1.0 |
nA |
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Terminal Capacitance |
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Ct |
VR = 10 V, f = 1.0 MHz |
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0.7 |
1.0 |
pF |
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Quantum Efficiency |
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η |
λ = 1 300 nm |
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76 |
81 |
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% |
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Responsivity |
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S |
λ = 1 300 nm |
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0.8 |
0.85 |
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A/W |
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Cut-off Frequency |
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fC |
VR = 10 V, λ = 1 300 nm, |
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2.5 |
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GHz |
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RL = 50 Ω |
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Optical Return Loss |
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ORL |
λ = 1 300 nm |
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40 |
45 |
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dB |
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Intermodulation |
2 order |
IMD2 |
λ = 1 300 nm, 2 Laser 2 Tone Test, |
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−75 |
dBc |
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Distortion |
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VR = 10 V, OMI = 50 %/LD, |
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Pin = 0.5 mW, f1 = 187.25 MHz, |
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3 order |
IMD3 |
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−90 |
dBc |
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f2 = 193.25 MHz |
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2
TYPICAL CHARACTERISTICS
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WAVELENGTH DEPENDENCE |
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100 |
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OF QUANTUM EFFICIENCY |
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(%) |
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80 |
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η |
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Efficiency |
60 |
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Quantum |
40 |
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20 |
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0.9 |
1.0 |
1.1 |
1.2 |
1.3 |
1.4 |
1.5 |
1.6 |
1.7 |
Wavelength λ (μm)
REVERSE VOLTAGE DEPENDENCE OF DARK CURRENT
10
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1.0 |
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TC = 75 ˚C |
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50 ˚C |
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ID (nA) |
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25 ˚C |
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CurrentDark |
0.1 |
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0 ˚C |
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0.01
–25 ˚C
0.001
0 |
10 |
20 |
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Reverse Voltage VR (V) |
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NDL5481P Series
•
TEMPERATURE DEPENDENCE
(%) |
10 |
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OF RESPONSIVITY |
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S/S |
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λ = 1 300 nm |
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Value) |
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(Relative |
0 |
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Responsivity |
–10 |
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–40 |
–20 |
0 |
20 |
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40 |
60 |
80 |
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100 |
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–60 |
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Operating Case Temperature TC (˚C)
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TEMPERATURE DEPENDENCE |
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101 |
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OF DARK CURRENT |
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(nA)ID |
100 |
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VR = 10 V |
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Current |
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10–1 |
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Dark |
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10–2 |
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10–3 |
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–40 |
–20 |
0 |
20 |
40 |
60 |
80 |
100 |
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–60 |
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Operating Case Temperature TC (˚C) |
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REVERSE VOLTAGE DEPENDENCE |
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5 |
OF TERMINAL CAPACITANCE |
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(pF)Ct |
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f = 1.0 MHz |
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Capacitance |
1 |
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Terminal |
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0.5 |
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0.01 |
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0.1 |
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1 |
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|
10 |
|
|
100 |
Reverse Voltage VR (V)
3