Generic Compatible 25GBASE-LR SFP28 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

SFP28-25-13-10(LR)-LCD

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SPECIFICATIONS
Product ModelSFP28-25-13-10(LR)-LCDManufacturer BrandPHILISUN
Package TypeSFP28Optical ConnectorDuplex LC
Max Data Rate25.78GChannel Data Rate10.31Gbps
Effective Transmission Distance10km
Wavelength1310nmOperating Voltage3.3V
Fiber TypeSMFCore Size9/125µm
Transmitter TypeDFB-LDReceiver TypeCDR
TX Power-7~2dbmReceiver Sensitivity＜9.5dBm
Digital Diagnostic Monitoring(DDM)YESReceiver Overload2dBm
Power Consumption<1.2W(Standard)
<1.5W(Industrial)		ProtocolsSFF-8402
Operating Temperature(Commercial)0℃~+70℃Storage Temperature(Commercial)-40℃~+85℃
Operating Temperature(Industrial)-40℃~+85℃Storage Temperature(Industrial)-40℃~+85℃

 

PRODUCT PRESENTATION
The PHILISUN SFP28 25G 1310nm 10km LR LC DX is a high-performance single-mode transceiver designed for duplex optical data communications. Supporting data rates of 24.33Gbps and 25.78Gbps with CDR enabled, it also accommodates 10G Ethernet communications when CDR is bypassed. The module features an SFP+ 20-pin connector for hot-plug capability and provides digital diagnostic monitoring via an I2C interface.Equipped with built-in clock and data recovery (CDR), this transceiver operates at a nominal wavelength of 1310nm. The transmitter section incorporates a 1310nm multiple quantum well DFB laser, compliant with Class 1 laser safety standards (IEC 60825). The receiver section features an integrated InGaAs detector preamplifier (IDP) housed in an optical header, paired with a limiting post-amplifier IC for reliable performance.

 

TRANSCEIVER SERIES PRODUCTS

 

PRODUCTION & TESTING EQUIPMENT

 

PERFORMANCE PARAMETER
Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Storage temperature Ts -45 +100 °C
Supply voltage Vcc -0.5 4.0 V
Operating relative humidity RH 5 95 %
*Note:Exceeding any one of these values may destroy the device permanently.

 

Recommended Operating Conditions
Parameter Symbol Min. Typical Max. Units
Operating case temperature TC Standard 0 – 70 °C
Extended -40 – 85
Power supply voltage Vcc 3.135 – 3.465 V
Power supply current Icc Standard – – 360 mA
Extended – – 455 mA

 

Performance Specifications–Electrical
Parameter Symbol Min. Typ. Max Unit Notes
Transmitter
CML inputs(Differential) Vin 200 – 900 mVpp AC coupled inputs
Input impedance (Differential) Zin – 100 – ohms Connected directly to TX pins
Tx_DISABLE input voltage – high – 2 – Vcc+0.3 V –
Tx_DISABLE input voltage – low – -0.3 – 0.8 V –
Receiver
CML Outputs (Differential) Vout 300 – 1000 mVpp AC coupled outputs
Rx_LOS output voltage – high – 2 – Vcc+0.3 V –
Rx_LOS output voltage – low – -0.3 – 0.8 V –

 

Optical and Electrical Characteristics
Parameter Symbol Min. Typical Max. Unit
9µm core diameter SMF – – – 10 Km
Transmitter
Centre wavelength λC 1295 1310 1325 nm
Spectral width (-20dB) Δλ – – 1 nm
Average output power@25.78Gb/s Pout -7 – 2 dBm
Extinction ratio ER 3 – – dB
Transmitter dispersion penalty TDP – – 2.7 dB
Receiver
Centre wavelength λ 1260 1310 1355 nm
Receiver sensitivity(OMA) PXOMA – – -12 dBm
Stressed receiver sensitivity(OMA) RXSRS – – -9.5 dBm
Receiver overload Pmax 2 – – dBm
Receiver reflectance – – – -26 dB
LOS de-assert ORL – – -17 dBm
LOS assert LOSD -30 – – dBm
LOS hysteresis LOSA 0.5 – – dB

 

SFP28 TRANSCEIVER ELECTRICAL PAD LAYOUT

 

PIN FUNCTION DEFINITIONS
Pin Num. Name Function Plug Seq. Notes
1 VeeT Transmitter ground 1 Note 5
2 TX fault Transmitter fault indication 3 Note 1
3 TX disable Transmitter disable 3 Note 2, module disables on high or open
4 SDA Module definition 2 3 Data line for serial ID.
5 SCL Module definition 1 3 Clock line for serial ID.
6 MOD_ABS Module definition 0 3 Note 3
7 RS0 RX rate select(LVTTL). 3 Rate select 0, optionally controls SFP28 module receiver. This pin is pulled low to VeeT with a>30K resistor..
8 LOS Loss of signal 3 Note 4
9 RS1 TX rate select(LVTTL). 1 Rate select 1, optionally controls SFP28 module transmitter. This pin is pulled low to VeeT with a >30K resistor.
10 VeeR Receiver ground 1 Note 5
11 VeeR Receiver ground 1 Note 5
12 RD- Inv. received data out 3 Note 6
13 RD+ Received data out 3 Note 6
14 VeeR Receiver ground 1 Note 5
15 VccR Receiver power
2
 3.3V ± 5%, Note 7
16 VccT Transmitter power 2 3.3V ± 5%, Note 7
17 VeeT Transmitter ground 1 Note 5
18 TD+ Transmit data in 3 Note 8
19 TD- Inv. transmit data in 3 Note 8
20 VeeT Transmitter ground 1 Note 5
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 4.7K – 10 KΩ resistor. Its states are:
Low (0 – 0.8V): Transmitter on
(>0.8, < 2.0V): Undefined
High (2.0 – 3.465V): Transmitter Disabled
Open: Transmitter Disabled3) Module Absent, connected to VeeT or VeeR in the module.4) RX 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.5) The module signal ground contacts, VeeR and VeeT, should be isolated from the module case.6) 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.7) 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 360mA. 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 30mA greater than the steady state value. VccR and VccT may be internally connected within the SFP+ transceiver module.8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board.

 

PRODUCT CERTIFICATION

 

QUALITY ADVANTAGE

 

COMPATIBLE BRANDS
CONFIGURATION INFORMATION
光模块产品详情订购信息---SFP28

 

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