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10G SFP+ CWDM 80 km

ASCENT’s CWDM SFP+ transceivers are designed for use in 10-Gigabit Ethernet links with distances up to 80 km over single-mode fiber. These transceivers include an APD receiver and CWDM EML transmitter. Digital diagnostic functions are available via an I2C interface. This module is designed for single-mode fiber and operates at wavelengths between 1470 nm to 1610 nm.

    Up to 11.3Gbps Data Links

    Up to 80km transmission on SMF

    CWDM EML transmitter and APD receiver

    Metal enclosure for lower EMI

    2-wire interface with integrated Digital Diagnostic monitoring

    Hot-pluggable SFP+ footprint

    Compliant with SFF 8472 and SFF 8431

    Compliant with SFP+ MSA with LC connector

    Single 3.3V power supply

    Commercial/Industrial case operating temperature range: 0 °C to +70 °C / -40 °C to +85 °C

    Without CDR (standard) or with CDR supported 9.95 Gb/s to 11.3Gb/s reference-free

    Low power dissipation


Absolute Maximum Ratings  

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Storage Temperature

Ts

‑40

85

°C


Relative Humidity

RH

5

95

%


Power Supply Voltage

VCC

‑0.3

4

V


Signal Input Voltage


Vcc‑0.3

Vcc+0.3

V


 

Recommended Operating Conditions

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note


Case Operating Temperature

Tcase

0

70

°C

Commercial




‑40

85

°C

Industrial


Power Supply Voltage

VCC

3.14

3.3

3.47

V



Power Supply Current

ICC


450

mA



Data Rate

BR


10.3125

11.3

Gbps



Transmission Distance

TD


80

km



Coupled fiber

Single‑mode fiber

9/125 µm SMF

 

Optical Characteristics 

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Transmitter







Average Launched Power

PO

‑1


4

dBm

1

Extinction Ratio

ER

8.2



dB


Center Wavelength

λc

λc‑6.5


λc+6.5

nm

2

Spectrum Band Width (‑20dB)

σ



1.0

nm


SMSR


30



dB


Transmitter OFF Output Power

Poff



‑30

dBm


Transmitter and Dispersion Penalty

TDP



3.0

dB


Output Eye Mask


Compliant with IEEE 802.3ae


Receiver







Input Optical Wavelength

λ

1270


1610

nm


Receiver Sensitivity

Psen



‑23.0

dBm

3

Input Saturation Power (Overload)

Psat

‑6



dBm


LOS Assert 

LOSA

‑35



dBm


LOS De‑assert 

LOSD



‑26

dBm


LOS Detect Hysteresis

Phys

0.5



dB


Notes:  

1. Launched power (avg.) is power coupled into a single‑mode fiber with master connector. (Before of Life)

2. For λc refer to wavelength selection

3. Measured with conformance test signal for BER = 1012 @ 10.3125 Gbps, PRBS = 231‑1, NRZ, Optical source with worst ER, Wavelength between 1470 nm and 1610 nm; back to back.

 

Electrical Characteristics 

Parameter

Symbol

Min

Typ.

Max

Unit

Note

Supply Voltage

Vcc

3.14

3.3

3.46

V


Supply Current (Note 1)

Icc



430

mA

SFPP‑AT‑LP‑CXX‑80





490

mA

SFPP‑AT‑LP‑CXX‑80A





460

mA

SFPP‑AT‑LP‑CXX‑80C





520

mA

SFPP‑AT‑LP‑CXX‑80CA

Transmitter







Input Differential Impedance

Rin


100


Ω

2

Differential Data Input Swing

Vin, pp

180


700

mV


Transmit Disable Voltage

VDis

2.0


Vcc

V


Transmit Enable Voltage

VEN

Vee


Vee+ 0.8

V

3

Transmit Disable Assert Time




10

µs


Receiver







Differential Data Output Swing

Vout, pp

300


850

mV

4

Data Output Rise Time

tr

30



ps

5

Data Output Fall Time

tf

30



ps

5

LOS Output High Level

VLOS‑H

2.0


VCCHOST

V

6

LOS Output Low Level

VLOS‑L

Vee


Vee+0.8

V

6

Notes: 

1. Measured with receive Pin = Psen, Vcc = 3.3 V, operation temperature range, without air flow.

2. Connected directly to TX data input pins. AC coupled.

3. Or open circuit.  

4. Input 100 Ω differential termination.  

5. These are unfiltered 20 % to 80 % values.

6. Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.  

 


 


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