QSFP28 Transceiver,100G,DWDM,PAM4

Product Features

• Hot pluggable QSFP28 MSA form factor
• Up to 80km reach for G.652 SMF with transport white box
• Single +3.3V power supply
• Temperature Range 0 to 70°C
• Transmitter: Cooled EML 2*27.5Gbaud/s DWDM TOSA
• Receiver: 2*27.5Gbaud/s Pin-PD ROSA  
• 4*25G CAUI4 electrical interface
• Integrated SFEC with high coding gain
• PAM4 modulation format on 100GHz ITU DWDM wavelength grid compatible
• Dual CS adaptor
• Compatible with RoHS6

Applications

• 100G Ethernet Metro-Access over DWDM
• P to P Access Network

ABSOLUTE MAXIMUM RATINGS
Table 2. ABSOLUTE MAXIMUM RATINGS

Parameter	Symbol	Unit	Min	Max
Storage Temperature Range	Ts	oC	-40	+85
Relative Humidity	RH	%	5	85
Power Supply Voltage	Vcc	V	-0.5	+3.6
Operating Case Temperature Range	Tc	oC	0	+70
Receiver Damage Threshold Per Lane	Pdag	dBm	+5.2

SPECIFICATION

Recommended Operating Conditions

Parameter	Units	MIN.	TYP.	MAX.	Notes
Recommended Operating Conditions
Operating Case Temperature	°C	0		+70
Power Supply Voltage	V	3.135	3.3	3.465
Control Input Voltage High	V	2		Vcc+0.3
Control Input Voltage Low	V	-0.3		0.8
Rx Diff Data Output Load	Ω		100
Power Dissipation	W		5		Tc = 70 °C, Vcc = 3.465V, End of Life

Transceiver Electrical Specification (TP1)

Table 3. Transceiver Electrical Specification (TP1)

Parameter	Comment	Min	Typ	Max	Unit
Signaling Rate, each lane		Typ -100 ppm	25.7813	Typ +100 ppm	Gb/s
DC Common Mode Output Voltage		-350	—	2850	mV
Differential Return Loss	See template1	—	—	—	dB
Common to Differential Mode Conversion Return Loss	See template2	—	—	—	dB
Differential Termination Mismatch	At 1 MHz	—	—	10	%

Receiver Electrical Specification (TP4)

Table 4. Receiver Electrical Specification (TP4)

Parameter	Comment	Min	Typ	Max	Unit
Signaling Rate, each lane		Typ – 100 ppm	25.7813	Typ + 100 ppm	Gb/s
Common-Mode AC Output Voltage (RMS)		—	—	17.5	mV
Differential pk-pk output voltage swing		—	—	900	mVpp
Eye Width	EW15 at 10-15 probability; PRBS 29-1	0.57	—	—	UI
Eye Height Differential	EH15 at 10-15 probability; PRBS 29-1	228	—	—	mV
Vertical Eye Closure		—	—	5.5	dB
Differential Output Return Loss	See template1	—	—	—	dB
Common to Differential Mode Conversion Return Loss	See template2	—	—	—	dB
Differential Termination Mismatch		—	—	10	%
Transition Time (20% to 80%)		12	—	—	ps
DC Common Mode Voltage3		-350	—	2850	mV

Notes:
1. Reference IEEE P802.3bm Annex 83E, Figure 83E-7 for template
2. Reference IEEE P802.3bm Annex 83E, Figure 83E-8 for template

Transmitter Optical Specification (TP2)

Table 5. Transmitter Optical Specification (TP2)

Parameter	Units	MIN.	TYP.	MAX.	Notes
Optical output power	dBm	-1		+4
Transmitter Rate	Gbps		55.04318		55.04318*2λ
Lane center wavelength spacing	GHz		100
Center wavelength	nm	See Wavelength Table
Extinction ratio	dB		6
Side-mode suppression Ratio	dB	30
RIN OMA	dB/Hz			-132
Optical Return Loss Tolerance	dB			20
Transmitter reflectance	dB			-12
Dispersion Tolerance	ps/nm	-150		50	Residual dispersion (RD) after DCM, and at worst ONSR

Receiver Optical Specification(TP3)
Table 6. Receiver Optical Specification(TP3)

Parameter	Units	MIN.	TYP.	MAX.	Notes
Receive Rate	Gbps		55.04318		55.04318*2λ
Center Wavelength	nm	See Wavelength Table
Receiver reflectance	dB			-26
Receiver Power, each lane	dBm	-12.5		6
Required OSNR	dB	28			Receiving Power@0~-7dBm	Pre-FEC BER 4E-3
		31			Receiving Power@-7~-12.5dBm
RSSI Accuracy	dB	-3		3

MECHANICAL DRAWINGS

Ordering Information
Table 1. Ordering Information

Part No	Specifications
	Package	Data rate	Tx	Pout	Rx Sen.	Top	Others
FTQ2-DxxHG-PAM4-80	QSFP28	103.125Gbps	Cooled EAM DFB-LD	-1 ~ +4 dBm	-12.5 dBm @BER 4E-3	0~70oC	DDM

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注：本产品有全国产化型号可选
本产品为QSFP28系列光模块，仅展示部分参数，如有需要，请联系我们。

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.s not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.