NEC NDL7701P2D, NDL7701PD, NDL7701P, NDL7701P1D, NDL7701P2 Datasheet
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DATA SHEET
LASER DIODE
NDL7701P Series
1 550 nm OPTICAL FIBER COMMUNICATIONS
InGaAsP STRAINED MQW DFB DC-PBH LASER DIODE MODULE
DESCRIPTION
The NDL7701P Series is a 1 550 nm phase-shifted DFB (Distributed Feed-Back) laser diode with single mode fiber. The strained Multiple Quantum Well (st-MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over wide temperature range of –20 to +85 °C.
It is designed for all STM-1 and STM-4 applications.
FEATURES
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Peak emission wavelength |
λp = 1 550 nm |
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Low threshold current |
Ith = 15 mA @ TC = 25 °C |
• Wide operating temperature range |
T C = −20 to +85 °C |
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•InGaAs monitor PIN-PD
•Based on Bellcore TA-NWT-000983
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PACKAGE DIMENSIONS |
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in millimeters |
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NDL7701P |
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NDL7701P1 |
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NDL7701P2 |
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Optical Fiber |
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0.9 |
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Optical Fiber |
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0.9 |
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Optical Fiber |
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0.9 |
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SM-9/125 |
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SM-9/125 |
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3.2±0.25 |
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SM-9/125 |
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3.2±0.25 |
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3.2±0.25 |
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Length: 1 m |
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Length: 1 m |
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Length: 1 m |
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7±0.2 |
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7±0.2 |
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7±0.2 |
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5 15 |
27.4±1.0 |
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2– 2.2 |
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5 15 |
27.4±1.0 |
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0.5±0.2 |
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5 15 |
27.7±1.0 |
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2.0±0.2 |
4.0±0.2 |
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4– |
0.45 |
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20±1.0 |
0.45±0.05 |
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20±1.0 |
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0.3 |
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2.5±1.0 |
19.5±1.0 |
0.3 |
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0.45±0.05 |
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±0.05 |
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6±0.1 |
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6±1.0 |
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12.7±0.2 |
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17.0±0.2 |
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PIN CONNECTIONS |
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PIN CONNECTIONS |
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PIN CONNECTIONS |
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16 |
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P.C.D. = |
2 |
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2 |
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PD |
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PD |
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2– |
2.5 |
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P.C.D. = |
2 |
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φ7±0.2 |
4 |
3 |
P.C.D. = |
2 |
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7.2±0.3 |
4 |
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3 |
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2 |
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7±0.2 |
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PD |
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4 |
3 |
4 |
3 |
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3 |
1 |
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3 |
1 |
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1 |
2 |
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3.7±0.3 |
1 |
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2 |
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4 |
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1 |
2 |
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1 |
2 |
LD |
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4 LD Case |
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LD |
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1.0±0.1 |
Case |
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12±0.15 |
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Case |
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16.0 |
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The information in this document is subject to change without notice.
Document No. P10715EJ4V0DS00 (4th edition) |
The mark • shows major revised points. |
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Date Published November 1998 NS CP(K) |
© |
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1995 |
Printed in Japan |
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NDL7701P Series
ORDERING INFORMATION
Part Number |
Available Connector |
Flange Type |
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NDL7701P |
Without Connector |
No Flange |
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NDL7701PC |
With FC-PC Connector |
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NDL7701PD |
With SC-PC Connector |
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NDL7701P1 |
Without Connector |
Flat Mount Flange |
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NDL7701P1C |
With FC-PC Connector |
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NDL7701P1D |
With SC-PC Connector |
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NDL7701P2 |
Without Connector |
Vertical Flange |
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NDL7701P2C |
With FC-PC Connector |
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NDL7701P2D |
With SC-PC Connector |
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ABSOLUTE MAXIMUM RATINGS (TC = −20 to +85 °C, unless otherwise specified)
Parameter |
Symbol |
Ratings |
Unit |
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Optical Output Power from Fiber |
Pf |
5.0 |
mW |
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Forward Current of LD |
IF |
150 |
mA |
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Reverse Voltage of LD |
VR |
2.0 |
V |
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Forward Current of PD |
IF |
10 |
mA |
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Reverse Voltage of PD |
VR |
20 |
V |
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Operating Case Temperature |
TC |
−20 to +85 |
°C |
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Storage Temperature |
Tstg |
−40 to +85 |
°C |
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Lead Soldering Temperature (10 s) |
Tsld |
260 |
°C |
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2
NDL7701P Series
ELECTRO-OPTICAL CHARACTERISTICS (TC = −20 to +85 °C, unless otherwise specified)
Parameter |
Symbol |
Conditions |
MIN. |
TYP. |
MAX. |
Unit |
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Forward Voltage |
VF |
Pf = 2.0 mW, TC = 25 °C |
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1.3 |
V |
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Threshold Current |
Ith |
TC = 25 °C |
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15 |
25 |
mA |
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Differential Efficiency from Fiber |
ηd |
Pf = 2.0 mW, TC = 25 °C |
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0.1 |
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W/A |
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Peak Emission Wavelength |
λp |
Pf = 1.0 mW, PN 1/2, Ib = Ith, |
1 530 |
1 550 |
1 570 |
nm |
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Side Mode Suppression Ratio |
SMSR |
622 Mb/s-NRZ |
30 |
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dB |
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Temperature Dependence of |
Δηd |
Δηd = 10 log ηd (TC = 85 °C) |
−3.0 |
−2.5 |
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dB |
Differential Efficiency from Fiber |
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ηd (TC = 25 °C) |
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Rise Time |
tr |
10-90%, TC = 25 °C |
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0.5 |
ns |
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Fall Time |
tf |
90-10%, TC = 25 °C |
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0.5 |
ns |
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Monitor Current |
Im |
VR = 5 V, Pf = 2.0 mW |
100 |
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μA |
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Monitor Dark Current |
ID |
VR = 5 V, TC = 25 °C |
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0.1 |
5 |
nA |
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Tracking Error |
γ*1 |
Im = const. (@ Pf = 2 mW, TC = 25 °C) |
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1.0 |
dB |
*1 |
γ = |
10 log |
Pf |
Pf |
TC = 25 ˚C |
2.0 mW |
(mW) |
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2.0 |
TC = –20 to +85 ˚C |
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Pf |
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0 |
Im |
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Im |
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(@ Pf (25 ˚C) = 2.0 mW) |
3
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