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10G SFP+ LRM 1310 nm 2 km

ASCENT’s SFPP-AT-LP-31-02 Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the 1310nm FP laser and the PIN photo-detector .The module data link up to 2KM in 9/125um single mode fiber.

    10GBASE-LR/LW & 10G Ethernet

    Compliant to 802.3ae 10GBASE-LR/LW

    Compliant to SFF-8431

    RoHS Compliant.

SFPP‑AT‑LP‑31‑02 SFPP Transceiver

Parameter

Symbol

Value

Notes

Absolute Maximum Ratings




Storage Temperature

Ts

‑40 °C to +85 °C


Relative Humidity

RH

5 % to 95 %


Power Supply Voltage

Vcc

‑0.3 V to +4 V


Recommended Operating Conditions


Case Operating Temperature

Tcase

0 °C to +70 °C

‑40 °C to 85 °C

Commercial

Industrial

Power Supply Voltage

Vcc

3.14 V to 3.47 V, 3.3 V typical


Power Supply Current

Icc

360 mA maximum


Data Rate

BR

10.3125 Gbps


Transmission Distance

TD

2 km


Coupled Fiber

Single‑mode fiber

9/125 µm SMF

Optical Characteristics 

Parameter

Symbol

Min

Typ

Max

Unit

Note

Transmitter







Output Opt. Power

POUT

‑6


‑0.5

dBm

1

Optical Wavelength

λ

1260

1310

1355

nm


Spectral Width (RMS)

σ



3

nm


Optical Extinction Ratio

ER

3.5



dB


Output Eye Mask

Compliant with IEEE 802.3ae


Receiver







Rx Sensitivity 

PSEN



‑14.4

dBm

2

Input Saturation Power (Overload)

Psat

0.5



dBm


Wavelength Range

λC

1270


1610

nm


LOS De ‑Assert

LOSD



‑17

dBm


LOS Assert

LOSA

‑30



dBm


LOS Hysteresis


0.5

1.0


dB


Notes:   

1. Class 1 Laser Safety per FDA/CDRH and IEC‑825‑1 regulations.   

2. Measured with a PRBS 231‑1 test pattern, @10.3125Gb/s, BER<10‑12.

Electrical Characteristics 

Parameter

Symbol

Min

Typ

Max

Unit

Note

Supply Voltage

Vcc

3.14

3.3

3.46

V


Supply Current

Icc



360

mA


Transmitter







Input differential impedance

Rin


100


Ω

1

Differential data input swing

Vin,pp

180


1200

mV


Transmit Disable Voltage

VD

Vcc–1.3


Vcc

V


Transmit Enable Voltage

VEN

Vee


Vee+ 0.8

V

2

Transmit Disable Assert Time




10

us


Receiver







Differential data output swing

Vout,pp

300


850

mV

3

Data output rise time

tr

30



ps

4

Data output fall time

tf

30



ps

4

LOS Fault

VLOS fault

Vcc–1.3


VccHOST

V

5

LOS Normal

VLOS norm

Vee


Vee+0.8

V

5

Power Supply Rejection

PSR

100



mVpp

6

Notes:

1. Connected directly to TX data input pins. AC coupled thereafter.   

2. Or open circuit.   

3. Input 100 ohms differential termination.   

4. These are unfiltered 20‑80% values

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

6. Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the recommended power supply filtering network.   

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