SFP 1.25Gb/s Transceiver
Features
1490nm DFB Single Mode bi-directional Transmission Technology
SFP Multi-source Package with LC Receptacle
Up to 1.25Gb/s Data Links
Distance Up to 20KM
Hot-Pluggable Capability
Single +3.3V Power Supply
Isolation > 30dB, Cross Talk < -45dB
Compliant with Specifications for IEEE802.3Z
Compliant with Bellcore TA-NWT-000983
Eye Safety Designed to Meet Laser Class1,
Compliant with IEC60825-1
RoHS compliance
Applications
Gigabit Ethernet
Fiber Channel
WDM Application
Specification
Electrical and Optical Characteristics: (Condition: Ta=TOP)
Parameter
|
Symbol
|
Min.
|
Typical
|
Max.
|
Unit
|
Transmitter Differential Input Volt
|
+/-TX_DAT
|
200
|
|
2400
|
mV p-p
|
Supply Current
|
ICC
|
|
130
|
180
|
mA
|
Tx_Disable Input Voltage – Low
|
VIL
|
0
|
|
0.8
|
V
|
Tx_Disable Input Voltage – High
|
VIH
|
2.0
|
|
Vcc
|
V
|
Tx_Fault Output Voltage – Low
|
VOL
|
0
|
|
0.8
|
V
|
Tx_Fault Output Voltage – High
|
VOH
|
2.0
|
|
Vcc
|
V
|
Receiver Differential Output Volt
|
+/-RX_DAT
|
600
|
|
1400
|
mV p-p
|
Rx_LOS Output Voltage- Low
|
VOL
|
0
|
|
0.8
|
V
|
Rx_LOS Output Voltage- High
|
VOH
|
2.0
|
|
Vcc
|
V
|
Transmitter Section
Parameter
|
Symbol
|
Min.
|
Typical
|
Max.
|
Unit
|
Data Rate
|
B
|
-
|
1250
|
-
|
Mb/s
|
Centre Wavelength-D
Centre Wavelength-U
|
λc
|
1485
1260 |
1490
1310 |
1496
1360 |
nm
|
Output Spectral Width
|
△λ(-20dB)
|
-
|
-
|
1
|
nm
|
Average Output Power
|
Po
|
D:-9
U:-9
|
-
|
D:-3
U:-3
|
dBm
|
Extinction Ratio
|
EXT
|
9
|
-
|
-
|
dB
|
Data Input Voltage-High
|
VIHS
|
Vcc-1.16
|
-
|
Vcc-0.89
|
V
|
Data Input Voltage -Low
|
VILS
|
Vcc-1.82
|
-
|
Vcc-1.48
|
V
|
Supply Current
|
ICC
|
-
|
90
|
150
|
mA
|
Receiver Section
|
|||||
Parameter
|
Symbol
|
Min.
|
Typical
|
Max.
|
Unit
|
Receive Sensitivity
|
Pmin
|
-
|
-
|
-23
|
dBm
|
Maximum Input Power
|
PMAX
|
-3
|
-
|
-
|
dBm
|
Signal Detect Threshold-Assertion:
|
SDHIGH
|
-
|
-
|
-23
|
dBm
|
Signal Detect Threshold-Deassertion:
|
SDLOW
|
-32
|
-
|
-
|
dBm
|
Hysteresis
|
-
|
-
|
3.0
|
-
|
dBm
|
Output High Voltage
|
VOH
|
Vcc-1.03
|
-
|
Vcc-0.89
|
V
|
Output Low Voltage
|
VOL
|
Vcc-1.82
|
-
|
Vcc-1.63
|
V
|
Operating Wavelength-D
Operating Wavelength-U
|
λc
|
1260
1485 |
1310
1490 |
1360
1496 |
nm
|
Supply Current
|
ICC
|
-
|
80
|
110
|
mA
|
Parameter
|
Symbol
|
Min.
|
Max.
|
Unit
|
Storage Temperature
|
TST
|
-40
|
+85
|
℃
|
Operating Temperature
|
TIP
|
0
|
+70
|
℃
|
Input Voltage
|
TCC
|
0
|
+5
|
V
|
Parameter
|
Symbol
|
Min.
|
Typical
|
Max.
|
Unit
|
|
Supply Voltage
|
VCC
|
+3.1
|
+3.3
|
+3.5
|
V
|
|
Operating Temperature
|
TOP
|
0
|
-
|
+70
|
℃
|