a8e
re
systems
T48-Type
1300
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Data
Sheet,
Rev
.
1
October
2001
Applications
Offering multiple
output
power
options
and
SONET/SDH
com-
patibility,
the
T48-Type
Uncooled
Laser Transmitters are
man-
ufactured
in
a24-pin
plastic
DIP
with
a
single-mode
fiber
pigtail
.
Features
.
Multisource
compliant
.
Data
rates
to
2
.5
Gbits/s
.
SONET
and
ITU-T
compliant
at
OC-48
and
STM-16
.
Uncooled,
field-proven
InGaAsP
MQW
laser
.
1300
nm
and
1500
nm
versions
.
Clocked
or
nonclocked
operation
with
single-ended
or
differential
inputs
.
50
5l
ac-coupled
ECL
or
PECL
compatible
data
and
clock
inputs
.
Operation from
single
+5
V
or
-5
V
power
supply
.
Low-profile,
24-pin
nonconductive
package
.
Automatic
power
control
.
Wide
operating
case
temperature
range
:
-
T481, T483,
-40
°C
to
+85
°C
-
T485,
-25
°C
to
+70
°C
.
Laser
back-facet
monitor
output
.
Laser
degrade
alarm
.
Transmitter-disable
input
.
FC, SC,
LC,
or
MU
connectors
.
Telecommunications
:
-
SONET/SDH
SR/IR/LR
-
Subscriber
loop
-
Metropolitan
area
networks
.
High-speed
data
communication
Description
The
T48-Type
2
.5
Gbits/s
Laser
Transmitters
are
designed
for
use
in
transmission
systems
and
high-
speed
data
communication
applications
.
The
trans-
mitter
operates
at
the
SONET
OC-48
rate,
as
well
as
the
ITU-T
SDH
rate of
STM-16
.
The
transmitters
meet
all
present
Telcordia
Technol-
ogiesT'm
GR-253CORE
requirements
and
the
ITU-T
G
.957
and
G
.958
recommendations
.
They
are
also
ideally
suited
for
extended-distance data
and
net-
working
applications
.
Manufactured
in
a
24-pin,
plastic-encased
DIP,
the
transmitter
incorporates
an
InGaAs
PIN
photodiode
back-facet
monitor,
a
GaAs
laser
driver
IC,
and
a
choice
of lasers,
including
:
.
1300
nm
hermetic
Fabry-Perot
laser
(T481
ver-
sions)
.
1300
nm
hermetic
MQW
isolated
DFB
laser
(T483
versions)
.
1550
nm
hermetic
MQW
isolated
DFB
laser
(T485
versions)
The
transmitter
requires
a
single
power
supply
(+5
V
or
-5 V)
.
A
clock
input
can be
enabled
for
those
applications
where
jitter
is
critical
.
Pin
information
is
listed
in
Table
1
.
AdLib OCR Evaluation
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Data
Sheet,
Rev
.
1
October
2001
Transmitter
Processing
The
transmitter
can
withstand
normal
wave
soldering
processes
.
The
complete
transmitter
module
is
not
her-
metically
sealed
;
therefore,
it
should
not
be
immersed
in
or
sprayed
with
any
cleaning
solution
or solvents
.
The
process
capand
fiber-pigtail
jacket
can
deform
at
temperatures
greater
than
85°C
.
The
transmitter
pins
can be wave-soldered
at
maximum
temperature
of
250
°C
for
10
seconds
.
Installation
Considerations
Although
the
transmitter
has
been
designed
with rug-
gedness
in
mind,
care
should
be
used
during
handling
.
The
optical
connector
should
be
kept
free
from
dust,
and
the
process
cap
should
be
kept
in
place
as a
dust
cover
when
the
device
is
not
connected
to
a
cable
.
If
contamination
is
present
on
the
optical
connector,
the
use
of
canned
air
with
an
extension
tube
should
remove
any
debris
.
Other
cleaning
procedures
are
identified
in
the
Cleaning
Fiber-Optic
Assemblies
Tech-
nical
Note (TN95-01
0LWP)
.
Connector
Options
The
standard
fiber-optic
pigtail
is
an 8
gm
core
single-
mode
fiber
in
a
0
.036
in
.
(914
gm)
diameter,
tight-buff-
ered
outer
jacket
.
The
standard
length
is
39
in
.
±4
in
.
(1
m
±10
cm)and
can
be
terminated
with
either
an
FC,
SC,
LC,
or
MU
optical
connector
.
Other
connector
options
may
be
available
on
special
order
.
Absolute
Maximum
Ratings
Table
1
.
Pin
Descriptions
Pin
Number
Name
1
VEE
2
BF
Monitor"
3
Bias Monitor"
4
Tx
Disable
5 Clock
Select
6
Ground
7
NUCt
8
Laser
Degrade
Alarm
9
NUCt
10
NUCt
11
Ground
12 VEE
13
Vcc
14
NUCt
15
Ground
16
DATA
17
Ground
18
DATA
19
Ground
20
Clock
21
Ground
22
Clock
23 Ground
24
Vcc
"
Laser
back-facet
and
bias
monitor
functions
are customer-use
options
that
are not
required
for
normal
operations
of
the
transmit-
ter
.
They
are
normally
used
during
manufacture and
for
diagnos-
tics
.
t
Pins
designated
no
user
connection
(NUC)
cannot be
tied
to
ground
or
any
other
circuit
potential
.
Stresses
in
excess
of
the
absolute
maximum
ratings
can
cause permanent
damage
to
the device
.
These
are
abso-
lute
stress
ratings
only
.
Functional
operation
of
the device
is
not
implied
at
these
or
any
other
conditions
in
excess
of
those
given
in
the
operations sections
of
the
data
sheet
.
Exposure
to
absolute
maximum
ratings
for
extended
periods
can
adversely
affect
device
reliability
.
Parameter
Symbol
Min
Max
Unit
Supply
Voltage"
- -
5
.5
V
Operating
Case
Temperature
Range
:
T481
and
T483
T485
Tc
-40
-25
85
70
0C°C
Storage
Case
Temperature
Range
:
Tstg
-40 85 °C
Lead
Soldering
Temperature/Time
- -
250/10
°C/s
Relative
Humidity
(noncondensing)
RH
-
85
Minimum
Fiber
Bend
Radius
I
-
I
1
.00
(25
.4)
I
-
I
in
.
(mm)
"With
VEE
connected
to
-5
V,
Vcc
must
be
at
0
V
;
with
Vcc
connected
to
+5
V,
VEE
must
be
at
0
V
.
2
AgereSystems
Inc
.
AdLib OCR Evaluation
Data
Sheet,
Rev
.
1
October
2001
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Characteristics
Minimum
and
maximum
values
specified
over
operating
case
temperature
range
at
50%
duty
cycle
data
signal
.
Typical
values
are
measured
at
room
temperature
unless
otherwise
noted
.
Table
2
.
Electrical
Characteristics
Parameter
Symbol
Min Typ
Max
Unit
do
Power
Supply
Voltages
V
4
.75
5
.0
5
.25
V
do
Power
Supply
Current
Drain
I
-
180 300
mA
Input
Data/Clock
Voltage
:2,
3
Single-ended
Input
Differential
Input
VIN
VIN
400200
800
400
1000
500
mVp-p
mVp-p
Clocked/Nonclocked
Select
Voltage
:4
Clocked
Operation
(active-low)
Nonclocked
Operation
VSEL
CLK
VSEL
CLK
VEE
Vcc-2
.0
-
-
VEE
+
0
.8
Vcc
V
V
Input
Impedance
RIrv
-
50
-
SZ
Transmitter
Disable
Voltages
VDIS
Vcc
-
2
.0
-
Vcc
V
Transmitter
Enable
Voltage
(enabled
low)
VErv
VEE
-
VEE
+
0
.8
V
Laser
Degrade
Alarm
:
Normal
Alarmed
-
Vcc-2
.0
VEE
-
-
Vcc
VEE
+
0
.8
V
V
Laser
Bias
Voltage
6
VB
0
200
1600
mV
Back-facet
Monitor Voltage
(50%
duty
cycle)
VBF
470 500
530
mV
Set
Time
(See
Figure
1
.)
tSET
70
-
330
ps
Hold
Time
(See
Figure
1
.)
tHOLD
70
- -
ps
Optical
Rise
Time
(20%-80%)
tR
- -
70
ps
Opt
i
ca
l
Fa
ll
Tim
e
(80%-
2
0%)
tF
- -
1
50
ps
1
.
With
VEE
connected
to
-5
V,
Vcc
must
be
at
0
V
;
with
Vcc
connected
to
+5
V,
VEE
must
be
at
0
V
.
2
.
Inputs
are
ac-coupled
into
an
equivalent
input
impedance
of
50
~/4
.
3
.
Single-ended
or
differential
operation
may
be
used
.
If
the
inputs
are
driven
single-ended,
the
unused
inputs
must be
ac-coupled
(0
.1
R
F) to
ground
.
4
.
Clocked
operation
is
optional
.
For
clocked
operation,
pin
5
must
be
tied to
VEE
.
With
clocked
operation,
the
optical
output
changes
state with-
the
rising
edge
of
the
input
clock
signal
.
If
left
unconnected,
the
pin
will
be
pulled
low,
enabling
the
clock
mode
.
5.The
transmitter
is
normally
enabled
and
only
requires
an
external
voltage
to
disable
.
6
.This
voltage
is
measured
from
pin
3
to
VEEand
is
converted
to
laser
bias
current
with
the
ratio
of
20
mWmA
.
AgereSystems
Inc
.
3
AdLib OCR Evaluation
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Data
Sheet,
Rev
.
1
October
2001
Characteristics
(continued)
tSE'
Figure
1
.
Electrical
Input/Output
Interface
Timing
Diagram
Table 3
.
Optical
Characteristics
1-1087(F)
Parameter
Symbol
Min Typ
Max
Unit
Average
Power
Output
:
1
T481xLAA
Po
-10
-5 -3
dBm
T483xFAA,
T485xFAA
Po -5 -2
0
dBm
T483xDAA,
T485xDAA
Po -2
0 2
dBm
Center
Wavelength
Range
:
T481
xLAA
X,
1266
-
1360
nm
T483xFAA
X,
1270
-
1360
nm
T483xDAA
X,
1280
-
1335
nm
T485xFAA
X,
1430
-
1580
nm
T485xDAA
X,
1500
-
1580
nm
Spectral
Width
(T481
Version,
F-P
Laser)
AXRMS
- -
4
nm
Spectral
Width
(T483fT485
Versions,
DFB
Laser)2
AX20
- -
1
nm
Wavelength
Shift
with
Temperature
:
T481
Version
AVAT
-
0
.4
-
nm/°C
T483/T485
Versions
AVAT
-
0
.1
-
nm/°C
Side-mode
Suppression
Ratio
(T483fT485
Version)3
SSR
30
- -
dB
Extinction
Ratio
4
re
8
.2
- -
dB
Shutdown
Optical
Power
PST
-
-80 -70
dBm
Ey
e
M
asko
f
Opt
i
ca
l
output
5,6
-
M
eets
SO
NET
a
n
d
IT
U-
T
1 .
Output
power
definitions
and
measurement
per
ITU-T
Recommendation
G
.957
and
G
.958
.
2
.
Full
spectral
width
measured
20dBdown
from
the
maximum
of
the
central
wavelength
peak
under
fully
modulated
conditions
.
3
.
Ratio
of
the
average
output
power
in
the
dominant
longitudinal
mode
to
the
optical
power
in
the
most
significant
side
mode
under
fully
modulated
conditions
.
4
.
Ratio
of logic
1
output
power
to
logic
0
output
under
fully
modulated
conditions
.
5
.
GR-253-CORE,
Synchronous
Optical
Network
(SONET)
Transport
Systems
:
Common
Generic
Criteria
.
6
.
ITU-T
Recommendation
G
.957,
Optical
Interfaces
for
Equipment
and
Systems
Relating
to
the
Synchronous
Digital
Hierarchy
.
4
Agere
Systems
Inc
.
AdLib OCR Evaluation
Data
Sheet,
Rev
.
1
October
2001
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Outline
Drawing
Dimensions
are
in
inches
and
(millimeters)
.
~
1
.100
~
I
_ (27
.94)
I
I
40
.014
(0
.36)
0
.495
0-018
-
.14L!' 0
.710
0
.122
(12
.57)
(0
.48)
0
.100
(18
.03)
(3.10)
(2
.54)
2
.54)
2
.305
0
.950
(24
.13)
(58
.55)
11
1a
a
0 0
0
0 0
0
0 0 0 04
11
0
.144
(3
.36)
II
12
a
a a
a
a a
a
aaa
a1 II
BOTTOM
VIEW
0.350
(8
.89)
O
1
.00
0
(2255
.40)
1
.400
(35
.56)
1-999
.F
AgereSystems
Inc
.
AdLib OCR Evaluation
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Data
Sheet,
Rev
.
1
October
2001
Qualification
and
Reliability
To
help
ensure
high
product
reliability
and
customer
satisfaction,
Agere
Systems
is
committed
to
an
intensive
qual-
ity
program
that starts
in
the
design
phase
and
proceeds
through
the
manufacturing
process
.
Optoelectronics
mod-
ules
are
qualified to
Agere
Systems'
internal
standards
using
MIL-STD-883
test
methods
and
procedures
and
using
sampling
techniques
consistent
with
Telcordia
Technologies requirements
.
This
qualification
program
fully
meets
the
intent of
Telcordia
Technologies
reliability
practices
TR-NWT-000468
and
TA-TSY-000983
.
In
addition,
the
Agere
Systems'
optoelectronics
design,
development,
and
manufacturing
facility
has
been
certified
to
be
in
full
compliance
with
the
latest
ISO°9001
Quality
System
Standards
.
Laser
Safety
Information
Class
I
Laser
Product
FDA/CDRH
Class
I
laser
product
.
All
versions
of
the
T48-Type
transmitters
are
Class
I
laser
products
per
CDRH,
21
CFR
1040
Laser
Safety
requirements
.
The
transmitters
have
been
certified
with
the
FDA
under
accession
num-
ber
8720009
.
All
versions
are
Class
I
laser
products
per
IEC®
60825-1
:1993
.
CAUTION
:
Use
of
controls,
adjustments,
and
procedures
other
than
those
specified
herein
may
result
in
hazardous
laser
radiation
exposure
.
This
product
complies
with
21
CFR
1040
.10
and
1040
.11
.
8
.8
gm/1
25
gm
single-mode
fiber
pigtail
with
914
gm
tight-buffered
outer
jacket
and
connector
Wavelength
=
1
.3
gm,
1
.5
gm
Maximum
power
=
1
.6
mW
Because
of
size
constraints,
laser
safety
labeling
is
shipped
with
the device
.
Product
is
not
shipped
with
power
supply
.
Notice
Unterminated
optical
connectorscan
emit
laser
radiation
.
Do
not
view
with
optical
instruments
.
6
Agere
Systems
Inc
.
AdLib OCR Evaluation
Data
Sheet,
Rev
.
1
October
2001
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Ordering
Information
Table
4
.
Ordering
Information"
Product
Code
Laser
Type
Connector
Typical
Power
(dBm)
Comcode
T481
CLAA
1
.3
FP
SC
-5
108309162
T481
FLAA
1
.3
FP
FC
-5
108309170
T481
WLAA
1
.3
FP
LC
-5
108825795
T481JLAA
1
.3
FP
MU
-5
TBD
T483CDAA
1
.3
DFB
SC
0
108309196
T483FDAA
1
.3
DFB
FC
0
108309212
T483WDAA
1
.3
DFB
LC
0
108825803
T483JDAA
1
.3
DFB
MU
0
TBD
T483CFAA
1
.3
DFB
SC
-2
108309204
T483FFAA
1
.3
DFB
FC
-2
108309220
T483WFAA
1
.3
DFB
LC
-2
108825811
T483JFAA
1
.3
DFB
MU
-2
TBD
T485CDAA
1
.5
DFB
SC
0
108400300
T485FDAA
1
.5
DFB
FC
0
108400995
T485WDAA
1
.5
DFB
LC
0
108825829
T485JDAA
1
.5
DFB
MU
0
TBD
T485CFAA
1
.5
DFB
SC
-2
108400987
T483FFAA
1
.5
DFB
FC
-2
108401001
T483WFAA
1
.5
DFB
LC
-2
108825845
T483JFAA
I
1
.5
DFB
I
MU
I
-2
I
TBD
"
Please
contact
an
Agere
Systems
account
manager
for
more
information
.
Coding
Scheme
Example
:
T
Laser
type
:
1
=
1
.3
gm
Fabry-Perot
laser
;
3 =
1
.3
gm
DFB
laser
;
5 =
1
.5
gm
DFB
laser
Optical
connector
:
C=
SC
;
F
=
FC/PC
Typical
power
:
D=
0
dBm
;
F
=
-2
dBm
;
L
= -5
dBm
Customer
options
:
AA-=
AgereSystems
Inc
.
7
AdLib OCR Evaluation
T48-Type1300
nm
and
1500
nm
Uncooled
2
.5
Gbits/s
Laser
Transmitters
Data
Sheet,
Rev
.
1
October
2001
Related
Product
Information
Product
Code
Description
Document
Number
R485
Lightwave
Receiver
with
Clock
Recovery
for
2
.488
Gbits/s
Applications
DS01-0050PTO
R480
Lightwave
Receiver
with
CML
Data
Output
for
2
.488
Gbits/s
Applications
DS01-011
OPTO
P172
2
.5
Gbits/s
MiniDIL
Receiver
DS99-198LWP-2
C48
2
.5
Gbits/s
Cooled
Laser
Transmitters
DS00-071
OPTO-2
Telcordia
Technologies
is
a trademark
of
Telcordia
Technologies,
Inc
.
ISO
is
a
registered
trademark
of
The
International
Organization
for
Standardization
.
IEC
is
a
registered
trademark
of
The
International
Electrotechnical
Commission
.
For
additional
information,
contact your
Agere
Systems
Account
Manager
or
the
following
:
INTERNET
:
http
://www
.agere
.com
E-MAIL
:
docmaster0agere
.com
N
.
AMERICA
:
Agere
Systems
Inc
.,
555
Union
Boulevard,
Room
30L-15P-BA,
Allentown,
PA
18109-3286
1-800-372-2447,
FAX
610-712-4106
(In
CANADA
:
1-800553-2448,
FAX
610-712-4106)
ASIA
:
Agere
Systems
HongKong
Ltd
.,
Suites
3201
&
3210-12,
32/F,
Tower
2,
The
Gateway,
Harbour
City,
Kowloon
Tel
.
(852)
3129-2000,
FAX
(852)
3129-2020
CHINA
:
(86)
21-5047-1212
(Shanghai),
(86)
10-6522-5566
(Beijing),
(86)
755-695-7224
(Shenzhen)
JAPAN
:
(81)
3-5421-1600
(Tokyo),
KOREA
:
(82)
2-767-1850
(Seoul),
SINGAPORE
:
(65)
778-8833,
TAIWAN
:
(886)
2-2725-5858
(Taipei)
EUROPE
:
Tel
.
(44)
7000
624624,
FAX
(44)
1344
488045
Agere
Systems
Inc
.
reserves
the
right
to
make
changes
to
the
product(s)
or
information
contained
herein
without
notice
.
No
liability
is
assumed
as a
result
of
their
use
or
application
.
Copyright
02001
Agere
Systems
Inc
.
All
Rights
Reserved
s
y
s
tems
October 2001 a
'ere
DS00-088OPTO-1
(Replaces
DS00-088OPTO)
8
AdLib OCR Evaluation
