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CFP-40G-SR4光模块

CFP-40G-SR4

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Specifications

  • 产品型号: CFP-40G-SR4
  • 兼容品牌: 全系列
  • 封装类型: CFP
  • 传输速率: 40G
  • 传输距离: OM3 300M / OM4 400M
  • 发射波长: 850nm
  • 接收波长: 850nm
  • 工作温度: 商业级0℃～+70℃/工业级-40℃～+85℃ 可选
  • 数字诊断: 带DDM
  • 接收灵敏度: OM3 300M / OM4 400M
  • 接收灵敏度: OM3 300M / OM4 400M

Description

F-tone 40G CFP SR4 Optical Transceiver Module

Features

  • Transmission data rate up to 11.2Gbit/s per channel
  • CFP MSA compliant
  • Compliant to IEEE 802.3ba specification for 40GBASE-SR4 links
  • Up to 11.2 Gbps per channel bandwidth,
  • OTU3 compatible
  • 4 channels 850nm VCSEL array
  • 4 channels PIN photo detector array
  • OM3 Multimode Fiber cable of up to 300m and OM4 Multimode Fiber cable of up to 400m
  • MDIO digital diagnostic and control capabilities.
  • compliant to CFP MSA Management Interface Specification, Draft 1.4
  • TX input and RX output CDR retiming
  • Hot pluggable electrical interface
  • Power class 1 (<8W max)
  • Operating case temperature 0°C to +70°C
  • 3.3V power supply
  • RoHS 6 compliant（lead free）

Applications

  • High-speed core router interlinks and data center aggregation
  • Test equipment

Description

The CFP optical transceiver module are a high performance, low power consumption, short reach(1m to 300m) interconnect solution supporting 40G Ethernet. It is compliant with the CFP MSA and IEEE P802.3ba 40GBASE-SR4. F-tone CFP 40G SR4 modules offer 4 transmit and 4 receive asynchronous channels operating at up to 11.2Gbps per channel.

As shown in Figure 1, the transmitter side of the module consists of an array of VCSELs (Vertical Cavity Surface Emitting Lasers) and associated circuitry, which converts 4 parallel electrical data inputs to 4 parallel optical data output signals and also converts 4 parallel optical signals into 4 parallel electrical signals through an array of PIN photodiodes and associated circuitry.

Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Supply Voltage

Vcc

-0.3

3.6

V

Input Voltage

Vin

-0.3

Vcc+0.3

V

Storage Temperature

Tst

-20

85

ºC

Case Operating Temperature

Top

0

70

ºC

Humidity(non-condensing)

Rh

5

95

%

Recommended Operating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Supply Voltage

Vcc

3.13

3.3

3.47

V

Operating Case temperature

Tca

0

  

70

ºC

Data Rate Per Lane

fd

-

  

11.2

Gbps

Humidity

Rh

5

  

85

%

Power Dissipation

Pm

    

8

W

Electrical Characteristics

Parameter

Symbol

Min

Typical

Max

Unit

Differential input impedance

Zin

90

100

110

ohm

Differential Output impedance

Zout

90

100

110

ohm

Differential input voltage amplitude

ΔVin

120

  

820

mVp-p

Differential output voltage amplitude

ΔVout

300

  

820

mVp-p

Input Logic Level High

VIH

2.0

  

VCC

V

Input Logic Level Low

VIL

0

  

0.8

V

Output Logic Level High

VOH

VCC-0.5

  

VCC

V

Output Logic Level Low

VOL

0

  

0.4

V

Note：

1.   Differential input voltage amplitude is measured between TxnP and TxnN.

2.   Differential output voltage amplitude is measured between RxnP and RxnN.

Optical Characteristics

Transmitter Optical Specifications (T = 25°C, VCC =3.3V +/- 5%)

Parameter

Symbol

Min

Typical

Max

Unit

Average Optical Power(per channel)

Pout

-7.5

  

2.5

dBm

Average Optical Power(per channel) - Disabled

Poff

   

-30

dBm

Optical Return Loss Tolerance

      

12

dB

Extinction Ratio

ER

3

    

dB

Center Wavelength

λc

840

850

860

nm

RMS Spectral Width

λ

  

0.5

0.65

nm

Transmitter eye mask

Compliant to IEEE802.3ba eye mask specification

Note：

1.   Average optical power is measured at the output of the modules optical interface.

Receiver Optical Specifications (T = 25°C, VCC =3.3V +/- 5%)

Parameter

Symbol

Min

Typical

Max

Unit

Optical Power Sensitivity(per channel)

Pin min

  

-12

-9.9

dBm

Optical Power Saturation(per channel)

Pin max

+1

    

dBm

Stressed Receiver Sensitivity

PS

    

-5.4

dBm

Center Wavelength

λc

840

850

860

nm

RMS Spectral Width

λ

  

0.5

0.65

nm

Optical Return Loss

Rl

12

    

dB
           

Note：

1.   Optical power sensitivity is measured with BER@10<sup< a="">>-12 at 10.3125Gbps per channel.

 

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