Datasheet
10T4xyz – 10Gb/s 1310nm Cooled SR1/IR1
Electroabsorption Modulated Laser (EML) TOSA
Special Temperature Range (-5°C to 85°C) or
Industrial Temperature Range (-40°C to 90°C)
Product Overview
The 10T4xyz TOSA features CyOptics’ (formerly Apogee
Photonics’) 1310 nm EMLs for outstanding DC and RF
performance in an XMD MSA compliant 18.25 mm receptacle
package.
Features
•
•
•
•
•
•
•
10Gb/s Monolithic Electro-
Absorption Modulated Laser
Internal Thermoelectric Cooler (TEC)
LC receptacle, or fiber pigtail
High operating case temperature to
90°C
Electrically isolated case for
EMI/ESD performance
Compliant to XMD MSA
RoHS compliant
The 10T4xyz operates at a device temperature of 50
o
C
enabling low power dissipation for 300-pin MSA and XFP
modules.
The 10T4xyz TOSA is available in LC/XMD and fiber
pigtailed versions, and is suitable for SR1 and IR1
applications.
Applications
•
•
•
•
•
•
High port density 10G TX for XFP
10G TX for 300-pin MSA
transponders
SR1/ IR1 OC-192/STM-64
10 Gb Ethernet / FC
TX w/FEC for SONET at 10.7Gbps
& 10GbE at 11.1Gbps
Industrial temperature transceivers
Mask Margin
Extinction Ratio
Vpp
Laser Current
Average Output Power
Laser temperature
27%
9.55dB
2.5V
125mA
+2.4dBm
50
o
C
Typical Filtered OC-192 Optical Eye for 10T416y
10T4xyz 1310nm Cooled EML TOSA
- 1/7 -
For more information, check our website at:
www.cyoptics.com
Table 1 - Optical and Electrical Specifications
Parameter
Operating Wavelength
(1)
Operating Temperature (Case)
Special Temperature (ST)
Industrial Temperature (IT)
Laser Temperature
Mean (Modulated) Output Power
(2)
SR1
IR1
Operating Current
SR1
IR1
Modulator DC Bias
(3)
RF Input Swing
(4)
Extinction Ratio
(5,6,8)
Rise & Fall Times
(7)
Mask Margin
(6,4)
Side Mode Suppression Ratio
(9)
Thermistor Resistance at 25°C
Tracking Error
(10)
Relative Intensity Noise
Modulator Photocurrent
(11)
TEC Current
(12)
Tec Power Dissipation
(12)
Symbol (unit)
λ
(nm)
T
op
(°C)
T
L
(°C)
P
out
(dBm)
I
OP
(mA)
V
mbias
(V)
V
mpp
(V)
ER (dB)
t
r
, t
f
(ps)
MM (%)
SMSR (dB)
R
th
(kΩ)
TE (dB)
RIN (dB/Hz)
I
Mod
(mA)
I
TEC
(mA)
P
TEC
(W)
Min
1290
-5
-40
54.9
-2.75
1.5
60
60
-
2.0
8.2
-
12
35
9.5
-0.5
-
1.0
-
-
Max
1330
85
90
55.1
-1.5
5.0
85
110
4.0
-
-
35
-
-
10.5
+0.5
-130
10.0
0.7
0.8
Notes:
1.
Laser wavelength measured at I
OP
@ T
OP.
2.
I
OP
, optimal V
mbias
and V
mpp
, over operating temperature range (i.e. includes tracking error).
3.
Positive polarity.
4.
Data (compliment) input. V
mp-p
is defined as the peak-to-peak swing from driver when measured with 50Ω termination.
5.
For the ER specified here, CyOptics deploys a 100Ω termination across the modulator to increase applied swing voltage across the
modulator.
6.
Mask margin and ER measurements with 2
31
-1 PRBS input and filtered eye.
7.
EML rise and fall times estimated after accounting for contribution from measurement system. Calculated from 20%-80%
measurement. Unfiltered eye.
8.
V
mp-p
= 2.5V
9.
V
mbias
= 0V
10.
TE = Worst Case TE of Pout @ T
CASE_MAX
- Pout @ T
CASE_= 25C
or Pout @Tcase Min -Pout @ T
CASE_
= 25C
11.
DC component indicates outgoing power.
12.
I
F
=I
OP
∆T=
35
o
C
10T4xyz 1310nm Cooled EML TOSA
- 2/7 -
For more information, check our website at:
www.cyoptics.com
Table 2 - Absolute Maximum Ratings
The absolute maximum ratings given in Table 2 define the damage thresholds. Hence, the component shall withstand the
given limits without any irreversible damage.
Parameter
Storage Temperature
Laser Reverse Voltage
CW
Laser Forward Current
CW
Peak Optical Output Power
CW, from fiber
Modulator Bias Voltage
Reverse biased w/ positive voltage
Modulator Photo Current*
Back Detector Diode Reverse Voltage
Thermoelectric Cooler (TEC) Current
Electrostatic Discharge
C=100pF, R=1.5kΩ, Human Body Model
*
Please make certain precautions are taken to prevent I
Mod
> 12mA.
Min
-40
Max
90
2
150
10
8
12
15
1.35
250
Unit
ºC
V
mA
dBm
V
mA
V
A
V
ESD
-0.3
Reliability
Reliability is consistent with Telcordia GR-468-CORE requirements.
RoHS
This product is compliant with RoHS directive 2002/95/EC plus amendments.
Laser Safety Classification
This is a FDA class IIIB and IEC class 1 laser product in accordance with CDRH 21 CFR 1040 and IEC/EN 60825/A2:
2001 Laser Safety requirements.
ESD
This part is sensitive to electrostatic discharge. Please follow JEDEC standard JESD625-A guidelines during handling.
10T4xyz 1310nm Cooled EML TOSA
- 3/7 -
For more information, check our website at:
www.cyoptics.com
Block Diagram (R
T
=100Ω)
Table 3. Pin assignments for 10T4xyz
8-Pad
Flex
Pad #
1
2
3
4
5
6
7
8
Pin Name
TE Cooler (-)
TE Cooler (+)
RF Ground
RF Input
RF Ground
No Connect
Laser Bias
Thermistor
Symbol
TEC -
TEC +
GND
Sig
GND
N/C
I
laser
Rth
DC current adjustment to set laser forward current,
Laser Anode
Thermistor connection
Description
TEC
TEC
RF Ground,
LD Cathode, EA Anode, Thermistor
EA Cathode, RF Input for data stream
RF Ground,
LD Cathode, EA Anode, Thermistor
Note: TOSA package is isolated from ground.
10T4xyz 1310nm Cooled EML TOSA
- 4/7 -
For more information, check our website at:
www.cyoptics.com
Outline Diagram TOSA with LC receptacle (10T4xy1)
All dimensions are in mm.
Please note that the drawings shown are for illustration only and that the up-to-date
controlled engineering drawings need to be requested and used for mechanical designs employing this product.
10T4xyz 1310nm Cooled EML TOSA
- 5/7 -
For more information, check our website at:
www.cyoptics.com
