P/N: C-1x-1250(C)-TDFB(3)-SSC(2/3/4)x-G5
1.25 Gbps Single Mode Transceiver
Features
SC Duplex Single Mode Transceiver
Industry Standard 1x9 Footprint
Gigabit Ethernet Compliant
Single +3.3/5V Power Supply
PECL Differential Inputs and Outputs
PECL/LVPECL Signal Detection Output
[C-1x-1250-TDFB(3)-SSC(2/3/4)]
TTL/LVTTL Signal Detection Output
[C-1x-1250C-TDFB(3)-SSC(2/3/4)]
Wave Solderable and Aqueous Washable
Uncooled laser diode with MQW structure
Complies with Telcordia (Bellcore) GR-468-CORE
Gigabit Ethernet Application
RoHS compliance available
Table 1 – Absolute Maximum Rating
Parameter
Power Supply Voltage
Power Supply Voltage
Output Current
Soldering Temperature
Storage Temperature
Symbol
Vcc
Vcc
I
out
-
Tstg
Min.
0
0
-
-
-40
Typical
-
-
-
-
-
Max.
6
3.6
30
260
85
Unit
V
V
mA
ºC
ºC
1
Notes
Note 1: 10 seconds on leads only
Table 2 – Recommended Operating Condition
Parameter
Power Supply Voltage
Power Supply Voltage
Operating Temperature (Case)
Operating Temperature (Case)
Data Rate
Symbol
Vcc
Vcc
Topr
Topr
DR
Min.
4.75
3.1
0
-40
-
Typical
5
3.3
-
-
1250
Max.
5.25
3.5
70
85
-
Unit
V
V
ºC
ºC
Mbps
2
Notes
Note 2: Please refer to ordering information
-1-
DS-6540
Rev 0.1 2011-06-08
P/N: C-1x-1250(C)-TDFB(3)-SSC(2/3/4)x-G5
1.25 Gbps Single Mode Transceiver
Table 3 – Transmitter Specifications (Optical)
Parameter
Optical Transmit Power
Optical Transmit Power
Optical Transmit Power
Optical Transmit Power
Output Center Wavelength
Output Center Wavelength
Side Mode Suppression Ratio
Output Spectrum Width
Extinction Ratio
Output Eye
Optical Rise/Fall Time
Relative Intensity Noise
Total Jitter
t
r
/t
f
RIN
T
J
-
-
-
Symbol
P
o
P
o
P
o
P
o
λ
λ
Sr
Δλ
ER
Min.
-9.5
-5
-3
0
1280
1520
30
-
9
Typical
-
-
-
-
1310
1550
35
-
-
-
-
-
Max.
-3
0
+2
+5
1340
1580
-
1
-
0.26
-120
0.27
Unit
dBm
dBm
dBm
dBm
nm
nm
dB
nm
dB
ns
dB/Hz
ns
12
11
Notes
3
4
5
6
7
8
9
10
Compliant with IEEE 802.3
Note 3: C-1x-1250(C)-TDFB(3)-SSC
Note 4: C-1x-1250(C)-TDFB(3)-SSC2
Note 5: C-1x-1250(C)-TDFB(3)-SSC3
Note 6: C-1x-1250(C)-TDFB(3)-SSC4
Note 7: C-13-1250(C)-TDFB(3)-SSC(2/3/4)
Note 8: C-15-1250(C)-TDFB(3)-SSC(2/3/4)
Note 9: CW, Po=5mW
Note 10: -20 dB width
Note 11: 20% to 80% Values
Note 12: Measured with 2 -1 PRBS
7
Table 4 – Transmitter Specifications (Electrical)
Parameter
Power Supply Current
Data Input Current-Low
Data Input Current-High
Differential Input Voltage
Data Input Voltage-Low
Data Input Voltage-High
Symbol
I
CC
I
IL
I
IH
V
IH
-V
IL
V
IL
-V
CC
V
IH
-V
CC
Min.
-
-350
-
300
-2.0
-1.1
Typical
-
-
-
-
-
-
Max.
180
-
350
-
-1.58
-0.74
Unit
mA
μA
μA
mV
V
V
14
Notes
13
Note 13: Maximum current is specified at V
CC
= Maximum @ maximum temperature
Note 14: These inputs are compatible with 10K, 10KH and 100K ECL and PECL inputs
-2-
DS-6540
Rev 0.1 2011-06-08
P/N: C-1x-1250(C)-TDFB(3)-SSC(2/3/4)x-G5
1.25 Gbps Single Mode Transceiver
Table 5 – Receiver Specifications (Optical)
Parameter
Sensitivity
Maximum Input Power
Signal Detect-Asserted
Signal Detect-Deasserted
Signal Detect-Hysteresis
Wavelength of Operation
Symbol
-
P
in
Pa
Pd
-
Min.
-
-3
-
-38
1
1100
Typical
-
-
-
-
-
-
Max.
-24
-
-24
-
-
1620
Unit
dBm
dBm
dBm
dBm
dB
nm
16
17
Notes
15
Note 15:
Measured with 2
7
-1 PRBS, 10
-12
BER.
Note 16:
Measured on transition: low to high.
Note 17:
Measured on transition: high to low.
Table 6 – Receiver Specifications (Electrical)
Parameter
Power Supply Current
Data Output Voltage-Low
Data Output Voltage-High
Signal Detect Output Voltage-Low
Signal Detect Output Voltage-High
Signal Detect Output Voltage-Low
Signal Detect Output Voltage-High
Symbol
Min.
-
-2
-1.1
-2
-1.1
-
2.0
Typical
-
-
-
-
-
-
-
Max.
100
-1.58
-0.74
-1.58
-0.74
0.5
-
Unit
mA
V
V
V
V
V
V
Notes
18
19
20
21
I
CC
V
OL
-V
CC
V
OH
-V
CC
V
SDL
-V
CC
V
SDH
-V
CC
V
SDL
V
SDH
Note 18:
The current excludes the output load current
Note 19:
These outputs are compatible with 10K, 10KH and 100K ECL and LVPECL outputs.
Note 20:
C-1x-1250-TDFB(3)-SSC(2/3/4)
Note 21:
C-1x-1250C-TDFB(3)-SSC(2/3/4)
-3-
DS-6540
Rev 0.1 2011-06-08
P/N: C-1x-1250(C)-TDFB(3)-SSC(2/3/4)x-G5
1.25 Gbps Single Mode Transceiver
Connection Diagram
Table 7 – Pin Definitions
Pin
1
2
3
4
5
6
7
8
9
Unit
RxGND
RD+
RD-
SD
RxV
CC
TxV
CC
TD-
TD+
TxGND
Notes
Directly connect this pin to the receiver ground plane
See recommended circuit schematic
See recommended circuit schematic
Active high on this indicates a received optical section
DC power for the receiver section
DC power for the transmitter section
See recommended circuit schematic
See recommended circuit schematic
Directly connect this pin to the transmitter ground plane
-4-
DS-6540
Rev 0.1 2011-06-08
P/N: C-1x-1250(C)-TDFB(3)-SSC(2/3/4)x-G5
1.25 Gbps Single Mode Transceiver
Recommended Circuit Schematic
C-1x-1250-TDFB(3)-SSC2(3/4)
Tx Vcc
Rx Vcc
C5
9 8
R1
R3
7 6 5
4 3 2
1
R9
R5
R7
C6
TD +
TD -
RD +
RD -
Tx Vcc
Rx Vcc
R2
R4
R10
R6
R8
SD
No internal
connection
Transceiver
Top view
No internal
connection
L1
Vcc
C3
L2
C4
C2
C1
Rx Vcc
Notes +3.3V:
R1=R3=R5=R7=R9=130
Ω
R2=R4=R6=R8=R10=82
Ω
C1=C2=C3=C5=C6=0.1
μ
F
C4=10
μ
F
L1=L2=1
μ
H
Notes +5V:
R1=R3=R5=R7=R9=82
Ω
R2=R4=R6=R8=R10=130
Ω
C1=C2=C3=C5=C6=0.1
μ
F
C4=10
μ
F
L1=L2=1
μ
H
Tx Vcc
C-1x-1250C-TDFB(3)-SSC2(3/4)
Tx Vcc
Rx Vcc
C5
9 8
R1
R3
7 6 5
4 3 2
1
R5
R7
C6
TD +
TD -
RD +
RD -
Tx Vcc
Rx Vcc
R2
R4
R6
R8
SD
No internal
connection
Transceiver
Top view
No internal
connection
L1
Vcc
C3
L2
C4
C2
C1
Notes +3.3V:
R1=R3=R5=R7=130
Ω
R2=R4=R6=R8=82
Ω
C1=C2=C3=C5=C6=0.1
μ
F
C4=10
μ
F
L1=L2=1
μ
H
Notes +5V:
R1=R3=R5=R7=82
Ω
R2=R4=R6=R8=130
Ω
C1=C2=C3=C5=C6=0.1
μ
F
C4=10
μ
F
L1=L2=1
μ
H
Rx Vcc
Tx Vcc
The split-loaded terminations for ECL signals need to be located at the input of devices receiving those ECL signals.
The power supply filtering is required for good EMI performance. Use short tracks from the inductor L1/L2 to the module
Rx Vcc. / Tx Vcc.
A GND plane under the module is required for good EMI and sensitivity performance.
-5-
DS-6540
Rev 0.1 2011-06-08
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