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Datasheet> All Categories > Wireless rf/communication> Optical fiber> LCP-4250B4QDR
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LCP-4250B4QDR

Description
Transceiver, 1260nm Min, 1360nm Max, 4250Mbps(Tx), 4250Mbps(Rx), LC Connector, Surface Mount, ROHS COMPLIANT PACKAGE
CategoryWireless rf/communication    Optical fiber   
File Size504KB，13 Pages
ManufacturerDelta Electronics
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LCP-4250B4QDR Overview

Transceiver, 1260nm Min, 1360nm Max, 4250Mbps(Tx), 4250Mbps(Rx), LC Connector, Surface Mount, ROHS COMPLIANT PACKAGE

LCP-4250B4QDR Parametric

Parameter NameAttribute value
MakerDelta Electronics
package instructionROHS COMPLIANT PACKAGE
Reach Compliance Codecompliant
Other featuresIT CAN ALSO BE OPERATED AT 1200NM TO 1600NM
body width13.4 mm
body height8.5 mm
Body length or diameter57 mm
Connection TypeLC CONNECTOR
Data rate (receive)4250 Mbps
Data rate (send)4250 Mbps
Emitter/Detector TypeLASER DIODE, PIN PHOTODIODE
Fiber optic equipment typesTRANSCEIVER
Fiber type9/125, SMF
Installation featuresSURFACE MOUNT
Maximum operating temperature70 °C
Minimum operating temperature-5 °C
Maximum operating wavelength1360 nm
Minimum operating wavelength1260 nm
Nominal operating wavelength1310 nm
Nominal optical power output0.354 mW
minimum return loss12 dB
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES

LCP-4250B4QDR Preview

RoHS Compliant Long Wavelength SFP Transceiver for Fiber
Channel and CPRI Application
FEATURES
Compliant with SFP transceiver SFF-8472
MSA specification and Fiber Channel FC-PI-2
1310nm DFB LD Transceiver
Built-in digital diagnostic monitoring function
Compliant with 4.25/2.125/1.0625 Gb/s Fiber
Channel (400/200/100-SM-LC-L)
Compliant with Industry Standard RFT
Electrical Connector and Cage
Duplex LC connector
Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
Description
The transceiver is hot pluggable 3.3V
Small-Form-Factor
transceiver
modules
designed
expressly
for
high-speed
communication applications that require rates of
up to 4.25Gb/s. It is compliant with the Fiber
Channel standards FC-PI-2, as well as MSA
SFF-8472.
The post-amplifier of the transceiver also
includes a LOS (Loss Of Signal) circuit that
provides a TTL logic-high output when an
unusable optical signal level is detected.
The transceiver is a Class 1 eye safety product.
The optical power levels, under normal
operation, are at eye safe level.
Applications
Tri-Rate 1.063/2.125/4.25 Gb/s Fiber Channel
Performance
Series Data Link up to 10km in 9/125µm Single
Mode Fiber
1
DELTA ELECTRONICS, INC.
2009/2/9
Rev. 0A
www.deltaww.com
Absolute Maximum Ratings
Parameter
Storage Temperature
Supply Voltage
Symbol
T
S
V
CC
Min.
-40
0
Typ.
Max.
85
5
Unit
ºC
V
Note
Recommended Operating Conditions
Parameter
Case Operating Temperature
Supply Voltage
Note 1: See order information
Symbol
T
C
V
CC
Min.
-5
3.135
Typ.
Max.
70
3.465
Unit
ºC
V
Note
1
Electrical Characteristics
(V
CC
=3.135V to 3.465V)
Parameter
Total Supply Current
Transmitter
Transmitter Differential Input Voltage
Transmitter Disable Input-High
Transmitter Disable Input-Low
Transmitter Fault Pull up Resistor
Transmitter Fault Output-High
Transmitter Fault Output-Low
Receiver
Receiver Differential Output Voltage
Receiver LOS Load
LOS Output Voltage-High
LOS Output Voltage-Low
Output Data Rise/Fall Time
Notes:
1.
2.
3.
4.
Pull up to V
CC
on host Board
Internally AC coupled, but requires a 100 Ohm differential termination at or internal to Serializer/ Deserializer.
Unfiltered, 20 – 80%
Symbol
I
CC
Vin,pp
V
DISH
V
DISL
R
TX_FAULT
V
TXFH
V
TXFL
V
out,pp
R
RXLOS
V
LOSH
V
LOSL
t
r
/ t
f
Min.
0.2
2
0
4.7
2
0
0.7
4.7
2
0
Typ.
Max.
300
2.4
V
CC
+0.3
0.8
10
V
CC
+0.3
0.8
1.2
10
V
CC
+0.3
0.8
120
Unit
mA
V
V
V
kΩ
V
V
V
kΩ
V
V
psec
Note
2
3
4
3
5
Internally AC coupled and terminated to 100 Ohm differential load.
2
DELTA ELECTRONICS, INC.
2009/2/9
Rev. 0A
www.deltaww.com
Optical Characteristics
(V
CC
=3.135V to 3.465V, Data Rate=4.25Gb/sec, PRBS=2
7
-1 NRZ, 9/125µm SMF)
Parameter
Transmitter
Output Optical Power (Avg.)
Optical Modulation Amplitude
@ 4.25 Gb/s
@ 2.125 Gb/s
@ 1.0625 Gb/s
Center Wavelength
Spectral Width (-20dB Width)
Side Mode Suppression Ratio
Optical Rise/Fall Time (20% - 80%)
Relative Intensity Noise
Output Eye
Receiver
Average Receiver Power
Sensitivity in OMA
@ 4.25 Gb/s
@ 2.125 Gb/s
@ 1.062 Gb/s
Input Optical Wavelength
LOS-De-asserted (Avg.)
LOS-Asserted (Avg.)
LOS-Hysteresis
Optical Return Loss
Symbol
P
O
OMA
λ
σ
SMSR
30
Min.
-8
247
196
156
1260
Typ.
Max.
-1
Unit
dBm
µW
1360
1
nm
nm
dB
Note
1
2
t
r
/ t
f
90/90 psec
3
RIN
-118 dB/Hz
Complies with the ANSI FC-PI Rev. 13 specification, and is class 1
laser eye safety
P
x (MAX)
P
IN
λ
P
D
P
A
P
D
-P
A
ORL
1200
-30
0.5
12
-1
29
15
15
1600
-20
dBm
uw
nm
dBm
dBm
dB
dB
.
4
Notes:
1. Into single mode fiber, 9/125µm diameter.
2. Equivalent extinction ratio specification for Fiber Channel. Allows smaller ER at higher average power.
3. Measured at nominal data rate. These are unfiltered 20%~80% values.
4. The sensitivity is tested at BER of 1×10
-12
or better with an input signal consisting of 2
7
-1 NRZ PRBS.
Mask of the eye diagram for the optical transmit signal
3
DELTA ELECTRONICS, INC.
2009/2/9
Rev. 0A
www.deltaww.com
SFP Transceiver Electrical Pad Layout
Pin Function Definitions
Pin Num.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
VeeT
TX Fault
TX Disable
MOD-DEF2
MOD-DEF1
MOD-DEF0
Rate Select
LOS
VeeR
VeeR
VeeR
RD-
RD+
VeeR
VccR
VccT
VeeT
TD+
TD-
VeeT
Function
Transmitter Ground
Transmitter Fault Indication
Transmitter Disable
Module Definition 2
Module Definition 1
Module Definition 0
1&2 or 2&4 Gbit/s
Loss of Signal
Receiver Ground
Receiver Ground
Receiver Ground
Inv. Received Data Out
Received Data Out
Receiver Ground
Receiver Power
Transmitter Power
Transmitter Ground
Transmit Data In
Inv. Transmit Data In
Transmitter Ground
Plug Seq.
Notes
1
3
Note 1
Note 2
3
Module disables on high or open
3
Note 3, 2 wire serial ID interface
3
Note 3, 2 wire serial ID interface
3
Note 3, Grounded in Module
Note 4, Open or Low = 1.063Gb/s, High
3
= 2.125Gb/s or 4.25Gb/s
3
Note 5
1
Note 6
1
Note 6
1
Note 6
3
Note 7
3
Note 8
1
Note 6
2
3.3 ± 5%, Note 7
2
3.3 ± 5%, Note 7
1
Note 6
3
Note 9
3
Note 9
1
Note 6
Plug Seq.: Pin engagement sequence during hot plugging.
4
DELTA ELECTRONICS, INC.
2009/2/9
Rev. 0A
www.deltaww.com
Notes:
1)
TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host
board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind.
Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.
2)
TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module
with a 4.7 – 10 K
Ω
resistor. Its states are:
Low (0 – 0.8V):
(>0.8, < 2.0V):
High (2.0 – 3.465V):
Open:
3)
Transmitter on
Undefined
Transmitter Disabled
Transmitter Disabled
Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩresistor on the
host board. The pull-up voltage shall be VccT or VccR (see Section IV for further details). Mod-Def 0 is grounded
by the module to indicate that the module is present Mod-Def 1 is the clock line of two wire serial interface for
serial ID Mod-Def 2 is the data line of two wire serial interface for serial ID
4)
5)
In accordance to SFF Committee SFF-8079 Draft Rev. 1.6.
LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor.
Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is
below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In
the low state, the output will be pulled to < 0.8V.
6)
7)
VeeR and VeeT may be internally connected within the SFP module.
RD-/+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be
terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus
not required on the host board. The voltage swing on these lines will be between 370 and 2000 mV differential
(185 – 1000 mV single ended) when properly terminated.
8)
VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP
connector pin. Maximum supply current is 300 mA. Recommended host board power supply filtering is shown
below. Inductors with DC resistance of less than 1 ohm should be used in order to maintain the required voltage
at the SFP input pin with 3.3V supply voltage. When the recommended supply-filtering network is used, hot
plugging of the SFP transceiver module will result in an inrush current of no more than 30 mA greater than the
steady state value. VccR and VccT may be internally connected within the SFP transceiver module.
9) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100
Ω
differential termination inside the module. The AC coupling is done inside the module and is thus not
required on the host board. The inputs will accept differential swings of 500 – 2400 mV (250 – 1200
mV single-ended), though it is recommended that values between 500 and 1200 mV differential (250 –
600 mV single-ended) be used for best EMI performance.
5
DELTA ELECTRONICS, INC.
2009/2/9
Rev. 0A
www.deltaww.com
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LCP-4250B4QDR Related Products

LCP-4250B4QDR LCP-4250B4QDRT LCP-4250B4QDRH
Description Transceiver, 1260nm Min, 1360nm Max, 4250Mbps(Tx), 4250Mbps(Rx), LC Connector, Surface Mount, ROHS COMPLIANT PACKAGE Transceiver, 1260nm Min, 1360nm Max, 4250Mbps(Tx), 4250Mbps(Rx), LC Connector, Surface Mount, ROHS COMPLIANT PACKAGE Transceiver, 1260nm Min, 1360nm Max, 4250Mbps(Tx), 4250Mbps(Rx), LC Connector, Surface Mount, ROHS COMPLIANT PACKAGE
Maker Delta Electronics Delta Electronics Delta Electronics
package instruction ROHS COMPLIANT PACKAGE ROHS COMPLIANT PACKAGE ROHS COMPLIANT PACKAGE
Reach Compliance Code compliant compliant compliant
Other features IT CAN ALSO BE OPERATED AT 1200NM TO 1600NM IT CAN ALSO BE OPERATED AT 1200NM TO 1600NM IT CAN ALSO BE OPERATED AT 1200NM TO 1600NM
body width 13.4 mm 13.4 mm 13.4 mm
body height 8.5 mm 8.5 mm 8.5 mm
Body length or diameter 57 mm 57 mm 57 mm
Connection Type LC CONNECTOR LC CONNECTOR LC CONNECTOR
Data rate (receive) 4250 Mbps 4250 Mbps 4250 Mbps
Data rate (send) 4250 Mbps 4250 Mbps 4250 Mbps
Emitter/Detector Type LASER DIODE, PIN PHOTODIODE LASER DIODE, PIN PHOTODIODE LASER DIODE, PIN PHOTODIODE
Fiber optic equipment types TRANSCEIVER TRANSCEIVER TRANSCEIVER
Fiber type 9/125, SMF 9/125, SMF 9/125, SMF
Installation features SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT
Maximum operating temperature 70 °C 85 °C 85 °C
Minimum operating temperature -5 °C -40 °C -10 °C
Maximum operating wavelength 1360 nm 1360 nm 1360 nm
Minimum operating wavelength 1260 nm 1260 nm 1260 nm
Nominal operating wavelength 1310 nm 1310 nm 1310 nm
Nominal optical power output 0.354 mW 0.354 mW 0.354 mW
minimum return loss 12 dB 12 dB 12 dB
Maximum supply voltage 3.465 V 3.465 V 3.465 V
Minimum supply voltage 3.135 V 3.135 V 3.135 V
Nominal supply voltage 3.3 V 3.3 V 3.3 V
surface mount YES YES YES

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