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800G QSFP-DD SR8 850nm 100m MPO-16 APC


Features
  • QSFP-DD Serial Optical Interface
8x100G PAM4 retimed 800GAUI-8 electrical interface
MPO-16 APC connector
8 channel VCSEL arrays and 8 channels PIN photo detector arrays
Maximum link length of 60m on OM3 or 100m on OM4
  • QSFP-DD MSA Compliant
Hot Pluggable QSFP-DD form factor
Compliant to QSFP-DD-Hardware-Rev 6.3 MSA
Compliant to CMIS 5.2
  • Support Protocol
Compliant to IEEE 802.3db
Compliant to IEEE 802.3ck
  • Low Power Consumption
Less than 14W in temperature range of 0 to 70℃



  • 产品详细信息


800G QSFP-DD SR8 850nm 100m MPO-16 APC

RQDD-800G-SR8

 


Applications

  • 800GBASE-SR8 800G Ethernet
  • Data center




1.General Description


RQDD-800G-SR8 is a Eight-Channel, Parallel, Pluggable, Fiber-Optic QSFP-DD for 800Gigabit Ethernet applications. This transceiver is a high performance module for short-reach data communication and interconnect application. It integrates eight data lanes in each direction with 8x53.125GBd. The transmission distance of QSFP-DD SR8 is up to 60 meters over OM3 MMF or 100 meters over OM4 MMF. This module is designed to operate over multimode fiber systems using a nominal wavelength of 850nm.


2. Absolute Maximum Ratings and Recommended Operating Conditions


Table 2.1 Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Storage Temperature

Ts

-40

85

°C

Case Operating Temperature

Top

0

70

°C

Relative Humidity (non-condensation)

RH

15

85

%

Supply Voltage

Vcc

-0.5

3.6

V

Receiver Damage Threshold, per Lane

PRdmg

5


dBm


Table 2.2 Recommended Operating Conditions

Parameter

Symbol

Min

Max

Unit

Operating Case Temperature

Top

0

70

°C

Relative Humidity (non-condensation)

RH

15

85

%

Power Supply Voltage

Vcc

3.135

3.465

V

Total Power Consumption1

Pc

-

14

W

Supply Current



4.46

A

Bit Rate

BR


850

Gbps

Fiber Length on OM3 MMF



60

m

Fiber Length on OM4 MMF



100

m

I2C Clock Frequency

0


400

kHz


Notes:

1.Under condition of 3.465V operating supply voltage, and 70℃ case temperature.




3. Optical Specification

3.1  Optical Transmitter


Table 3.1 Transmitter Optical Interface

Parameter

Symbol

Min

Typical

Max

Unit


Data rate per lane

DR


53.125


GBd


Modulation format


PAM4


Center Wavelength 1

λ

840

860

868

nm

RMS spectral width

σ



0.6

nm

Average Launch power, each lane

Pavg

-4.6


4

dBm

Optical Power OMA, each Lane,max

POMA

3.5

dBm

OMAouter, each lane min

max (TECQ, TDECQ) <1.8 dB

max [-2.6 , max(TECQ,TECQ) – 4.4]

dBm

1.8 < max (TECQ, TDECQ) < 4.4 dB

Transmitter and dispersion eye closure (TDECQ), each lane

TDECQ



4.4

dB

Transmitter eye closure for PAM4 (TECQ), each lane

TECQ



4.4

dB

Extinction ratio

ER

2.5



dB

Transmitter power excursion, each lane




2.3

dBm

Optical Return Loss Tolerance

ORLT



14

dB

Optical Power for TX DISABLE




-30

dBm

Encircled fluxb2


≥86% at 19 um

≤30% at 4.5 um



Notes:

1. Defined according to the performance of the laser used.

2. Measured into type A1a.2 or type A1a.3, or A1a.4, 50 um fiber, in accordance with IEC 61280-1-4.



3.2  Optical Receiver


Table 3.2 Receiver Optical Interface

Parameter

Symbol

Min

Typical

Max

Unit

Data rate per lane

BR


53.125


GBd

Modulation format


PAM4


Center Wavelength

λ

842

850

948

nm

Damage threshold


5



dBm

Average receive power, each lane


–6.4


4

dBm

Receive power, each lane (OMAouter)




3.5

dBm

Receiver reflectance

Rr



–15

dB

Receiver sensitivity, each lane1


RS = max (-4.6 , TECQ – 6.4)

dBm

Stressed receiver sensitivity, each lane




–2

dBm

Rx LOS

Assert


-15



dBm

De-assert




-7.5

dBm

Hysteresis


0.5


5

dB


Notes:

1. Receiver sensitivity is informative and is defined for a transmitter with a value of TECQ.  Measured with conformance test signal at TP3 for BER = 2.4E-4 Pre-FEC.



4.Electrical Specification


Table 4.1 Electrical Specifications

Parameters

Min

Typical

Max

Unit

Pre FEC Bit Error Ratio



2.4E-4


Post FEC Bit Error Ratio



1E-12


Transmitter (each Lane)

Differential pk-pk Input Voltage tolerance

750



mV

Differential Termination Mismatch



10

%

Eye height

10



mV

Common-mode to differential-mode return loss

IEEE802.3ck Equation (120G–1)

dB

Vertical eye closure



12

dB

Effective return loss

7.3



dB

Transition Time

10



ps

Receiver (each Lane)

Differential data output swing

300


900

mVpp

Differential termination mismatch



10

%

Eye height

15



mV

Vertical eye closure



12

dB

Common-mode to differential-mode return loss

IEEE802.3ck Equation (120G–1)


Effective return loss

8.5



dB

Transition time

8.5



ps



5. Ordering Information

Part Number

Temperature

Range

Distance

Fiber Type

E/O

O/E

RQDD-800G-SR8

0 to 70℃

100m

MMF

VCSEL

850nm

PIN




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