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10G SFP+ LR 1310 nm 40 km

ASCENT’s SFP+ transceiver SFPP-ATLP-31-40 is designed for use in 10-Gigabit Ethernet links up to 40km over single mode fiber. The module consists of 1310 DFB Laser, PIN and Preamplifier in a high-integrated optical sub- assembly. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF¬8472. The module data link up to 40km in 9/125um single mode fiber. The SFP+ transceivers provide a unique enhanced digital diagnostic monitoring interface, which allows real-time access to device operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power, and transceiver supply voltage. It also defines a sophisticated system of alarm and warning flags, which alerts end-users when particular operating parameters are outside of a factory set normal range.

·       Support data rate up to 11.3Gb/s

·       Hot-Pluggable SFP Footprint and Duplex LC Connector

·       Up to 40km reach for G.652 SMF

·       1310nm DFB laser and PIN receiver

·       Temperature Range:

      Commercial: 0°C to +70°C

      Industrial: -40°C to +85°C

·       Compliant with SFP-8431

·       Compliant with SFP-8432

·       Compliant with SFP-8472


Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.

Unit

Storage Temperature

Ts

-40

+85

°C

Maximum Supply Voltage

VCC

-0.5

3.6

V

Operating Relative Humidity

RH


95

V


Recommended Operating Conditions

Parameter

Case Operating Temperature

Symbol

Top

Min.

0

Typ.

 

Max.

+70

Unit

°C

Note

Commercial


-40


+85

°C

Industrial

Power Supply Voltage

VCC

3.13

3.3

3.47

V


Data Rate

BR

1.25

10.3125

11.3

Gbps


Transmission Distance

TD



40

km


Coupled fiber

Single-mode fiber

9/125 µm SMF

  
    Electrical Characteristics (TOP = Tc, Vcc = 3.135 to 3.465 Volts) 

Parameter

Transmitter

Symbol

Min

Typ

Max

Unit

Notes

Supply Voltage

Vcc

3.135


3.465

V


Supply Current

Icc



300

mA


Power Consumption

P



1.0

W


Transmitter Section

CML Inputs(Differential)

Vin

190


700

mVpp

1

Input Impedance(Differential)

Zin

90

100

105

ohm


TX_DIS Disable


2


Vcc+0.3

V


TX_DIS Enable


0


0.8

V


TX_FAULT Fault


2


Vcc+0.3

V


TX_FAULT Normal


0


0.5

V


Receiver Section

CML Outputs (Differential)

Vout

350


700

mVpp

1

Output Impedance (Differential)

Zout

90

100

105

Ohm


RX_LOS LOS


2


Vcc+0.3

V

2

RX_LOS Normal


0


0.8

V

2

MOD_DEF ( 0:2 ) VoH


2.5



V

With Serial ID

MOD_DEF ( 0:2 ) VoL


0


0.5

V

With Serial ID


Notes:

1.   CML logic, internally AC coupled.

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


Optical Characteristics

Parameter

Symbol

Min.

Typ.

Max

Unit

Note

Data Rate



10.3125

11.3

Gbps


Transmitter







Center Wavelength

λc

1260

1310

1355

nm


Spectral Width (-20dB)

∆λ



1

nm


Side Mode Suppression Ratio

SMSR

30



dB


Average Output Power

Pout

-1


5

dBm

1

Extinction Ratio

ER

4



dB


Average Power of OFF Transmitter

Poff



-30

dBm


Relative Intensity Noise

RIN



-128

dB/Hz

2

Receiver

Wavelength Range

λC

1260


1620

nm


Receiver Sensitivity

Pmin



-16

dBm

3

Receiver Overload

Pmax

0.5



dBm


LOS De-Assert

LOSD



-16

dBm


LOS Assert

LOSA

-30



dBm


LOS-Hysteresis

Phys

0.5


5

dB


Notes:

1.   Output is coupled into a 9/125um SMF.

2.   12dB reflection.

3.   Measured with worst ER, BER less than 1E-12 and PRBS 2^31-1 at 10.3125 Gbps.

Digital Diagnostic Functions

Parameter

Range

Unit

Accuracy

Calibration

Commercial Temperature

0 to +70

°C

±3°C

Internal / External

Industrial Temperature

-30 to +85

°C

±3°C

Internal / External

Voltage

3.0 to 3.6

V

±3%

Internal / External

Bias Current

10 to 100

mA

±10%

Internal / External

TX Power

-1 to +4

dBm

±3dB

Internal / External

RX Power

-15 to +0.5

dBm

±3dB

Internal / External

Note:

1.   The transceivers provide serial ID memory contents and diagnostic information about the present

operating conditions by the 2-wire serial interface (SCL, SDA). The diagnostic information with internal

calibration or external calibration all are implemented, including received power monitoring, transmitted

power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring.


Timing Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit


TX_Disable Assert Time

t_off



100

us

TX_Disable Negate Time

t_on



2

ms

Time to Initialize Include Reset of TX_FAULT

t_int



300

ms

TX_FAULT from Fault to Assertion

t_fault



100

us

TX_Disable Time to Start Reset

t_reset

10



us

Receiver Loss of Signal Assert Time

TA, RX_LOS



100

us

Receiver Loss of Signal Deassert Time

Td, RX_LOS



100

us

Rate-Select Change Time

t_ratesel



10

us

Serial ID Clock Time

t_serial-clock



100

kHz


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