LRFQ8540-X1ATM 40G QSFP+ multimode ethernet fiber optic module

Absolute Maximum Ratings

Parameter

Symbol

Min.

Typical

Max.

Unit

Data rate(per channel / total rate)

DR

10.5

Gb/s

DR

40

Gb/s

BER

BER

10⁻¹²

Operating temperature

T_C

0

70

◦C

Storage temperature

T_STO

−40

85

◦C

Operating Voltage

V_CC

3.14

3.3

3.46

V

Maximum voltage

V_MAX

0.5

4

V

Transmitter

Parameter

Symbol

Min.

Typical

Max.

Unit

Transmitted optical power

P                

−7.5

2.4

dBm

Optical center wavelength

λ_C

830

860

nm

Extinction Ratio @1.25Gb/s

ER

3

dB

Spectral width (RMS)

Δλ

0.65

nm

Output optical power with transmitter off (per channel)

P_{OUT_OFF}

30

dBm

Receiver

Parameter

Symbol

Min.

Typical

Max.

Unit

Receiver overload

P_OL

3.3

dBm

Optical center wavelength

λ _C

840

860

nm

Average received optical power (per channel)

P_RX

−9.5

2.4

dBm

LOS signal active

LOS_A

−25

dBm

LOS signal failure

LOS_D

−12

dBm

LOS signal hysteresis interval

LOS_H

0.5

dB

Transmitter

Parameter

Symbol

Min.

Typical

Max.

Unit

Single-ended input voltage tolerance

V

−0.3

3.8

V

Differential input swing

V_{IN PP}

180

1200

mV

Transmitter off voltage

V_D

V_CC-1.3

V_CC

V

Transmitter enable voltage

V_EN

V_EE

V_EE+0.8

V

Receiver

Parameter

Symbol

Min.

Typical

Max.

Unit

Differential output swing

V_{OUT PP}

340

800

mV

Single-Ended Output Voltage Tolerance

V

−0.3

3.8

V

Output AC Common Mode Voltage

V_cm

7.5

mV

Output signal rise time / fall time (20%-80%)

t_r/t_f

28

ps

Total Jitter (p-p)

TJ

0.7

UI

Deterministic Jitter (p-p)

DJ

0.4

UI