LC-1250B4Q2RT中文资料
LC-1250xxxxRx Series
RoHS Compliant 2x5 Small Form Factor Transceiver for Gigabit
Ethernet
FEATURES
Compliant with SFF transceiver MSA specification Compliant with specifications for IEEE 802.3z/Gigabit Ethernet LC-1250BxQxRx compliant with the
1.0625GBd Fiber Channel 100-SM-LC-L FC-PI Rev.13 LC-1250AxFxRx compliant with the
1.0625GBd Fiber Channel FC-PI 100-M5-SN-I Rev.13 Single + 3.3V power supply
Laser Class 1 product which comply with the requirements of IEC 60825-1 and IEC 60825-2 Duplex LC connector interface TTL or PECL signal detect level
RoHS Compliant per Directive 2002/95/EC
Description The LC-1250xxxxRx series are high performance,
cost effective optical transceivers intended for
1250 Mb/s. They are designed to provide Gigabit Ethernet compliant link at 1250 Mb/s for
short, intermediate and long reach links, respectively. The LC-1250xxxxRx series provide with the LC
receptacle those are compatible with the industry standard LC connector.
The LC-1250xxxxRx series are Class 1 eye
safety product. The optical power levels, under normal operation, are at eye safe level.
Applications
Switch to switch interface
Switched backplane applications File server interface Performance LC-1250AxFxRx: 850nm VCSEL, up to 500m in 50/125 m MMF
850nm VCSEL, up to 220m in 62.5/125 m MMF LC-1250BxQxRx:
1310nm FP laser, up to 10km in 9/125 m SMF 1310nm FP laser, up to 550m in 50/125 m MMF 1310nm FP laser, up to 550m in 62.5/125 m MMF
LC-1250xxxxRx Series
Absolute Maximum Ratings
Parameter Symbol Min.
Typ.
Max.
Unit
Note Storage Temperature Ts -40 85 oC
Lead Soldering Temperature T SOLD260 oC
Lead Soldering Time t SOLD10 Sec.
Supply Voltage V CC 0 5 V
Recommended Operating Conditions
Parameter Symbol Min.
Typ.
Max.
Unit
Note Ambient Operating Temperature T A 0 70 oC 1
Supply Voltage V CC 3.135 3.465V
Note: See ordering information for detail
Electrical Characteristics
(V CC=3.135 V to 3.465 V)
Parameter Symbol
Min.
Typ.
Max.
Unit
Note Transmitter
Transmitter Data Input Voltage-Low V IL-V CC -1.81 -1.48 V
Transmitter Data Input Voltage-High V IH-V CC -1.16 -0.88 V
Transmitter Disable Input-High V DISH 2 V CC+0.3 V
Transmitter Disable Input-Low V DISL 0 0.8
V Receiver
Data Output Voltage-Low V OL-V CC -1.95 -1.62 V
Data Output Voltage-High V OH-V CC -1.045 -0.74 V
SD Output Voltage-Low V SDH-V CC -1.95 -1.62 V SD Output Voltage-High V SDL-V CC -1.05 -0.74 V ECL
Family SD Output Voltage-Low V SDH-V CC0.8 V
SD Output Voltage-High V SDL-V CC 2 V
LVTTL
LC-1250xxxxRx Series Transmitter Optical Performance Specifications:
(V CC=3.135 V to 3.465 V)
Parameter Symbol Min. Typ. Max. Unit Notes Supply Current Icc 150 mA
Average Launched Power
LC-1250AxFxRx LC-1250BxQxRx P O-9.5
-9.5
-4
-3
dBm
Optical extinction ratio ER 9 dB Center wavelength
LC-1250AxFxRx LC-1250BxQxRx 830
1274
860
1355
nm
Spectral Width
LC-1250AxFxRx (RMS) LC-1250BxQxRx (RMS) σ0.85
2.8
nm
Relative Intensity Noise RIN -116 dB/Hz Optical Rise/Fall Time t
r
/t f260 ps 1
Output Eye Complies with the IEEE 802.3z/D2 specification, and is class 1
laser eye safety
Receiver Optical Performance Specifications:
(V CC=3.135 V to 3.465 V)
Parameter Symbol Min. Typ. Max.
Unit Notes Supply Current Icc 120 mA
Optical input sensitivity (avg.)
LC-1250AxFxRx LC-1250BxQxRx P IN-17
-19
dBm 2
Optical input saturation (avg.)
LC-1250AxFxRx LC-1250BxQxRx P SAT-3
-3
dBm
Optical Wavelength
LC-1250AxFxRx LC-1250BxQxRx 830
1274
860
1355
nm
Output Data risetime t r0.35
ns
1 Output Data falltime t f0.35
ns
1 SD-Asserted Level (Avg.)
LC-1250AxFxRx LC-1250BxQxRx P A-17
-19
dBm
SD-Deasserted Level (Avg.)
LC-1250AxFxRx LC-1250BxQxRx P D-30
-30
dBm
Signal detect- Hysteresis P A -P D 0.5 dB Notes:
1. These are unfiltered 20%~80% values.
2. The sensitivity is provided at a BER of 1×10-10 or better with an input signal consisting of 1250 Mb/s,
LC-1250xxxxRx Series
27
-1 PRBS and ER=9dB.
Mask of the eye diagram for the optical transmit signal
Pin Out Table:
PIN (2X5) Symbol Functional description
1 GND Receiver Signal Ground
2 RXV CC Receiver Power Supply
3 SD Signal Detect
4
RD ( ) Receiver Data Out Bar (LVPECL) 5 RD (+) Receiver Data Out (LVPECL) 6 TXV CC Transmitter Power Supply 7 GND Transmitter Signal Ground 8 Disable Transmitter Disable (LVTTL) 9 TD (+) Transmitter Data In (LVPECL) 10 TD (-) Transmitter Data In Bar (LVPECL)
LC-1250xxxxRx Series
LC-1250xxxxRx Series
LC-1250xxxxRx Series
Package Outline Drawing (Plastic Housing)
MADE IN CHINA
LC-1250xxxxRx Series
Regulatory Compliance
Feature Reference Performance
Electromagnetic Interference (EMI)FCC Class B
EN 55022 Class B (CISPR 22A)
Radio Frequency Electromagnetic Field EN 61000-4-3 IEC 1000-4-3
Electrostatic Discharge to the Duplex LC Receptacle EN 61000-4-2 IEC 1000-4-2 IEC 801.2
Electrostatic Discharge to the Electrical Pins MIL-STD-883E Method 3015.7
(1) Satisfied with electrical
characteristics of product
spec.
(2) No physical damage
Eye Safety US FDA CDRH AEL Class 1
EN 60950: 2000
EN 60825-1: 1994+A11+A2
EN 60825-2: 2000 CDRH File # 0321539-00
TUV Certificate No. R50032471
Component Recognition Underwriters Laboratories and
Canadian Standards Association Joint
Component Recognition for Information
Technology Equipment Including
Electrical Business Equipment
UL File # E239394
LC-1250xxxxRx Series
Ordering information
LC-1250X 1X 2X 3X 4X 5X 6
X 1: Light source types:
A: 850nm Multi-mode B: 1310nm Single-mode X 4:
Pin-out / logic interface:
1 = 2X5 / DC-coupled
2 = 2X5 / AC-coupled
X 2:
X 3:
Power Supply Voltage
2: 3.3V / PECL SD Level 4: 3.3V / TTL SD Level
Distance:
F: 500m, 50/125 m MMF Q: 10km, 9/125 m SMF
X 5:
X 6:Blank : Non-RoHS Compliant R : RoHS Compliant
Temperature
Blank : 0 to +70 degree C H : -10 to +85 degree C T : -40 to +85 degree C