- 1 / 8 -
(SDT9998-T)
Specification : TS-S01D073A
January, 2002
Data Rate: OC-3 OC-48 Other _______
Application: DWDM Supervisory Channel Other _______
Wavelength: Fixed 2 Channel-Selectable Other
Output Power: +1dBm +7dBm Other
Dispersion: 1600ps/nm 3200ps/nm Other
Supply Voltage: Single 5.0 V Single 3.3 V Other 5.0V and 3.3V
Function: Transceiver Transmitter Other
Package: Original MSA Other
Technical Specification
for
2.5Gbps Cooled Laser Transmitter Module
SDT9998-T
Sumitomo Electric reserves the right to make changes in the specification without prior notice.
#Safety Precaution Symbols This specification uses various picture symbols to prevent possible injury to operator or
other persons or damage to properties for appropriate use of the product. The symbols and definitions are as shown below. Be sure to be
familiar with these symbols before reading this specification.
Warning Wrong operation without following this instruction may lead to human death or serious injury.
Caution Wrong operation without following this instruction may lead to human injury or property damage.
Example of picture symbols indicates prohibition of actions. Action details are explained thereafter.
indicates compulsory actions or instructions. Action details are explained thereafter.
2500ps/nm
- 2 / 8 -
(SDT9998-T)
Specification : TS-S01D073A
January, 2002
1. General
The features of SDT9998-T are listed below:
* 2 Wavelengths selectable ITU-T G.692 ; 100GHz grid
* High Optical Output Power ; +7dBm(typ.)
* Power Supply Voltage +5V and +3.3V
* Low Power Consumption 4.0W (typ.) 24pin Metal Package
* Wavelength Selection Comand (WSC)
* Optical Output Shut-down Function (SDC)
* Laser Degrade Alarm. (LDA)
* Laser / Rear Facet Monitor Function. (BACK)
* Clocked / Non-clocked mode selector (SELC)
* Optical Connector Interface SC, LC connector
2. Block Diagram
Figure 1 Block Diagram
Thermister
LD
TEC
Monitor PD
ATC
BFM
APC
LD Driver
Di
Dib
Cki
Ckib
SELC SDC LDA TDA TDA
BACK
SDC :Shut Down Command
SELC:Clock mode SELect
TDA :Temperature Deviation Alarm
LDA :Laser Degrade Alarm
VTEC:TEC supply Voltage
VTECWSC
(Example)n:F600
n‑1:F590
(*)refertoTable1
*Clocked Operation Mode *Non-Clocked Operation Mode
H:High Level, L:Low Level,
φ
:H or L
Q0:Previous optical output status
before data input condition defined
H:High Level, L:Low Level
Data Input Optical Data Input Optical
Di DiB CKi CKib Output Di DiB Output
HL H HL H
LH L LH L
φφ
LHQ0
*WSC Operation Mode
WSC Channel Wavelength
H n-1
L nominal n
H:High Level, L:Low Level
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(SDT9998-T)
Specification : TS-S01D073A
January, 2002
3. Package Dimension
Figure 2 Package Dimension unit : mm
3.75
3.75
6
6
7.90 -2
+0.50
0.3min
PIN13
PIN12
PIN24
PIN1
BOTTOM VIEW
M2
×
5
5 Areas 6
×
6
TOP VIEW
3.80
12.7max
38.10
73.40max
3.60 M2.5
×
4
19.72max
51
±
0.15
φ
0.5, 2.5min
2.54
27.26
±
0.40
φ
7max
990
±
100
- 4 / 8 -
(SDT9998-T)
Specification : TS-S01D073A
January, 2002
4. Pin Assignment
5. Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device.
Caution
Do not disassemble this product. Otherwise, failure, electrical shock, overheating or fire may occur.
Handle the lead pins carefully. Use assisting tools or prospective aids as required. A lead pin may injure skin or human body
Warning
Use the product with the rated voltage described in the specification. If the voltage exceeds the maximum rating, overheating or fire
may occur.
Caution
Do not store the product in the area where temperature exceeds the maximum rating, where there is too much moisture or damp-
ness, where there is acid gas or corrosive gas, or other extreme conditions. Otherwise, failure, overheating or fire may occur.
Function S
y
mbol No. No. S
y
mbol Function
Ground
(
TEC
)
GND 1 24 Vcc Positive
p
ower su
pp
l
y
Monitorin
g
for back facet PD current BACK
(
+
)
2 23 GND Ground
Laser De
g
rade Alarm
(
*1
)
LDA 3 22 Ckib Fals e clock in
ut
Shut Down Command (*2) SDC 4 21 GND Ground
Clock mode select
(
*3
)
SELC 5 20 Cki True clock in
p
ut
Ground GND 6 19 GND Ground
Tem
p
erature Deviation Alarm
(
*4
)
TDA 7 18 Dib False data in
p
ut
No User Connection NUC 8 17 GND Ground
No User Connection NUC 9 16 Di True data in
p
ut
Wavelen
g
th Selection Command
(
*5
)
WSC 10 15 GND Ground
Ground GND 11 14 VTEC TEC su
pp
l
y
volta
g
e
No Internal Connection NIC 12 13 Vcc Positive
p
ower su
pp
l
y
Table 1 Logic state descriptions
H normal
L Laser end of life condition
H shut down mode
L operating mode (default) NOTE: When SDC, SELC and
H non clocked mode WSC are left open, they are
L clocked mode (default) default state respectively.
H temperature deviation alarm
L normal
H (n-1) ITU-T channel
L (n) ITU-T channel (default)
# Pins designated NUC (No User Connection) must not to be tied to GND or any other circuit potential.
*5 WSC
*1 LDA
*2 SDC
*3 SELC
*4 TDA
Symbol Min. Max. Unit
Storage Case Temperature Ts -40 85 degC
Operating Case Temperature Tc -5 75 degC
Supply Voltage Vcc 0 6.0 V
TEC Supply Voltage Vtec 0 3.5 V
TEC Supply Current Itec 0 1.3 A
input Voltage Vi 0 Vcc+0.5 V
Lead Soldering temperature - 260 degC
time - 10 sec
Parameters
- 5 / 8 -
(SDT9998-T)
Specification : TS-S01D073A
January, 2002
6. Electrical Interface
( Unless otherwise specified, Vcc = 4.75 to 5.25 V Vtec = 3.1 to 3.5 V @2488.32Mbps, PRBS2^23-1,
50% duty and all operating temperature shall apply.)
Figure 3 Input Data and Clock Timing
7. Optical Interface
( Unless otherwise specified, Vcc-Vee = 4.75 to 5.25 V @2488.32Mbps, PRBS2^23-1, 50% duty
and all operating temperature shall apply. )
Warning
Do not look at the laser beam projection area (e.g. end of optical connector) with naked eyes or through optical equipment
while the power is supplied to this product. Otherwise, your eyes may be injured.
Ts
CKi Th
CKib
401.9psec(=1/2488.32Mbps)
Di or Dib
Symbol Min. Typ. Max. Unit Note
Supply voltage Vcc 4.75 5.0 5.25 V
Supply current Icc 300 mA 1
TEC supply voltage Vtec 3.1 3.3 3.5 V
TEC supply current Itec 1300 mA
Power dissipation 4.0 6.0 W
Input Voltage DATA & CLOCK (single) 0.5 0.8 1.0 Vp-p
Clock duty cycle 40 60 %
Bit rate 2.5 Gb/s
Normalized back face voltage 500 mV
Normalized back face accuracy -10 10 %
Setup Time ts 100 ps 2
Hold Time th 0 ps 2
Input current -20 400
µ
A3
Command Logic Level High 2.0 Vcc V 3
( TTL Input ) Low 0.0 0.8
Alarm Logic Level High 4.4 Vcc V 4
( CMOS Output ) Low 0.0 0.6
Note1. Termination Current is not Included.
Note2. Refer to Figure 3
Note3. SDC, SELC, WSC
Note4. LDA, TDA
Parameters
Symbol Min. Typ. Max. Unit Note
Center Wavelength Range 1528.77 1563.86 nm
Wavelength deviation (BOL) -50 50 pm 1
Wavelength deviation (EOL) -100 100 pm 1
Average Optical output power (BOL) 5 9 dBm
Average Optical output power (EOL) 4 7 9 dBm
Shutdown optical power -50 -40 dBm
Spectral width (at 20dB down) 0.3 0.5 nm
SMSR 30 dB
Extinction ratio ER 8.2 dB
Dispersion 2500 ps/nm
Return loss 24 dB
Note1 Clocked-mode, Mark Ratio 50%
Parameters
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(SDT9998-T)
Specification : TS-S01D073A
January, 2002
8. Recommended User Interface
Figure 4 Recommended Power Supply Filtering
Figure 5 Data and Clock Interface with PECL Device
9. Fiber Pigtail Specification
Caution
Do not give undue force or impact to the optical fiber pigtail. A broken optical fiber may injure skin or human body, or a strong
laser beam may cause eye injury. Operate the equipment carefully. Use assisting tools or prospective aids as required.
Di (CKi)
Transmitter
390
Ω
PECL Buffer
Dib (CKib)
390
Ω
Parameter Min. T
yp
.Max.UnitNote
Core Diameter 9.5 µm
Claddin
g
Diameter 125 µm
Outer Diameter 0.9 mm
Fiber Len
g
th 890 990 1090 mm
O
p
tical Cord Tensile Break Stren
g
th 9.8 N
Bend Radius 30 mm
Vcc
100µH
0..022µF
SDT9998-T
5V
Vtec
TDK Z BF253D
0..022µF
3.3V
0.1µF
100µF100µF
100µF1µF
- 7 / 8 -
(SDT9998-T)
Specification : TS-S01D073A
January, 2002
10. Laser Safety
This product uses a semiconductor laser system and is a laser class
1 product acc. FDA, complies with 21CFR1040. 10 and 1040.11.
Also this product is a laser class 1 product acc. IEC 60825.
11. Ordering Information
Table 2
Channel No. Frequency(THz) Wavelength(nm) Channel No. Frequency(THz) Wavelength(nm)
F610 196.10 1528.773 F390 193.90 1546.119
F600 196.00 1529.553 F380 193.80 1546.917
F590 195.90 1530.334 F370 193.70 1547.715
F580 195.80 1531.116 F360 193.60 1548.515
F570 195.70 1531.898 F350 193.50 1549.315
F560 195.60 1532.681 F340 193.40 1550.116
F550 195.50 1533.465 F330 193.30 1550.918
F540 195.40 1534.250 F320 193.20 1551.721
F530 195.30 1535.036 F310 193.10 1552.524
F520 195.20 1535.822 F300 193.00 1553.329
F510 195.10 1536.609 F290 192.90 1554.134
F500 195.00 1537.397 F280 192.80 1554.940
F490 194.90 1538.186 F270 192.70 1555.747
F480 194.80 1538.976 F260 192.60 1556.555
F470 194.70 1539.766 F250 192.50 1557.363
F460 194.60 1540.557 F240 192.40 1558.173
F450 194.50 1541.349 F230 192.30 1558.983
F440 194.40 1542.142 F220 192.20 1559.794
F430 194.30 1542.936 F210 192.10 1560.606
F420 194.20 1543.730 F200 192.00 1561.419
F410 194.10 1544.526 F190 191.90 1562.233
F400 194.00 1545.322 F180 191.80 1563.047
F170 191.70 1563.863
Caution
If this product is used under conditions not recommended in the specification or this product is used with unauthorized revision,
classfication for laser product safety standard is invalid. Classify the product again at your responsibility and take appropriate
actions.
Class 1 Laser Product
Operating Case Temperature
Connector Type SC LC
Ordering Number SDT9998 - TC - XXXX SDT9998 - TL - XXXX
XXXX : Refer to Channel No. in Table 2
Tc = -5~75°C
- 8 / 8 -
(SDT9998-T)
Specification : TS-S01D073A
January, 2002
13. For More Information
12. Other Precaution
Under such a strong vibration environment as in automobile, the performance and reliability are not guaranteed.
The governmental approval is required to export this product to other countries. To dispose of these compo-
nents, the appropriate procedure should be taken to prevent illegal exportation.
This module must be handled, used and disposed of according to your company's safe working practice.
Caution
Be sure to turn the power off when you touch this product connected to the printed circuit boards. Otherwise, electric shock may occur.
Dispose this product or equipment including this product properly as an industrial waste according to the regulations.
Warning
Be sure to carry out correct soldering for connection to peripheral circuits in order to prevent contact failure or short-circuit. Otherwise,
a strong laser beam may cause eye injury, overheating or fire.
Do not put this product or components of this product into your mouth. This product contaions material harmful to health.
U.S.A.
ExceLight Communications, 4021 Stirrup Creek Drive, Suite 200 Durham, NC 27703
Tel. +1-919-361-1600 / Fax. +1-919-361-1619
E-mail: info@excelight.com
http://www.excelight.com
Europe
Sumitomo Electric Europe Ltd., 220, Centennial Park, Elstree, Herts, WD6 3SL, United Kingdom
Tel. +44-208-953-8681
Fax. +44-208-207-5950
E-mail: photonics@sumielectric.com
http://www.sumielectric.com
Japan
Sumitomo Electric Industries, Ltd. ( International Business Division ), 3-12, Moto-Akasaka 1-chome
Minato-ku Tokyo 107-8468
Tel. +81-3-3423-5771 / Fax. +81-3-3423-5099
E-mail: product-info@ppd.sei.co.jp
http://www.sei.co.jp/Electro-optic/index_e.html