AQSFP28-100G-SX4 -

Alpha Bridge AQSFP28-100G-SX4

Features

QSFP28 MSA compliant
Support 100GE aggregate bit rates
Support KP4 FEC @100G data rate
Two independent full-duplex channels
Up to 100m OM4 MMF transmission
Operating case temperature: 0 to 70℃
Single 3V power supply
Maximum power consumption 4W
LC optical connector
RoHS-6 compliant

Applications

Data Center Interconnect
100G Ethernet
Infiniband HDR

Description

This product can support 100Gb/s bit rates. It is a parallel Quad Small Form-factor Pluggable (QSFP28) Bi- Direction optical module. The module integrates four host electrical data into two optical lanes (by Dual Wavelength VCSEL Bi-Directional Optical Interface, 850nm and 900nm) to allow optical communication over a 2-fiber duplex LC optical multi-mode fiber. Reversely, on the receiver side, the module de-multiplexes 2 sets of optical input signal and converts them to 4 channels of electrical data.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Units	Note
Storage Temperature	Ts	-40	85	°C
Operating Case Temperature	Top	10	70	°C
Power Supply Voltage	Vcc	-0.5	3.6	V
Relative Humidity (non-condensation)	RH	0	85	%
Damage Threshold, each Lane	THd	5		dBm

Recommended Operating Conditions

Parameter	Symbol	Min.	Typ.	Max.	Units	Note
Operating Case Temperature	Top	10		70	°C
Power Supply Voltage	Vcc	3.135	3.3	3.465	V
Data Rate Accuracy		-100		100	ppm
Pre-FEC Bit Error Ratio				2.4x10-4
Post-FEC Bit Error Ratio				1x10-12		1
Control Input Voltage High		2		Vcc	V
Control Input Voltage Low		0		0.8	V
Link Distance	OM3			70	m	2
OM4			100	m	2
OM5			150	m	2

Diagnostics Monitoring

Parameter	symbol	Accuracy	Unit	Notes
Temperature monitor absolute error	Dmi_Temp	±3	°C	Over operating temperature range
Supply Voltage Monitor absolute error	Dmi_VCC	±0.15	V	overfull operating range
Channel Rx power monitor absolute error	Dmi_RX_Ch	± 2	Db	1
Channel Bias Current monitor	Dmi_lbias_Ch	± 10%	Ma
channel TX power monitor absolute error	Dmi_TX_Ch	± 2	dB	1

Optical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Units	Note
Center Wavelength Line0	λC	844	850	863	nm
Center Wavelength Line1	λC	900	910	918	nm
Transmitter
RMS Spectral Width	∆λrms	λ1:0.6 λ2: 0.65	nm
Average Launch Power, each lane	PAVG	-6.2		4	dBm
Optical Modulation
Amplitude (OMA outer), each lane	POMA	-4.2		3	dBm	1
Peak Power, each Lane				--	dBm
Launch power in OMA minus TDP, each lane		-5.6			dBm
TDECQ, each lane				4.5	dB
Extinction Ratio	ER	3			dB
Transmitter transition time, each lane				31	ps
RIN 12 OMA				-128	dB/Hz
Optical Return Loss Tolerance	TOL			12	dB
Average Launch Power of OFF Transmitter, each Lane	Poff			-30	dBm
Encircled Flux		≥ 86% at 19 μm
		≥ 30% at 4.5 μm				2
Signaling rate, each lane		26.5625 ± 100ppm			Gbps
Receiver
Damage Threshold, each Lane	THd	5			dBm	3
Average Receiver Power, each Lane		-8.2			dBm	4
Average power at receiver input, each lane (overload)				4	dBm
Receiver Reflectance	RR			-12	dB
Stressed receiver sensitivity in OMA Lane2				-3.5	dBm	5
Receiver sensitivity (OMA outer), each lane		Max (-6.6, SECQ-8) as per IEEEcl150		dBm
LOS Assert	LOSA	-30		-14.2	dBm
LOS Deassert	LOSD			-11.2	dBm
LOS Hysteresis	LOSH			0.5	dB

Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Units	Note
Power Consumption				4	W
Supply Current	Icc			1.21	A
Transmitter (each lane)
Overload Differential Voltage pk-pk	TP1a	900			mV
Common Mode Voltage (Vcm)	TP1	-350		2850	mV	1
Differential Termination Resistance Mismatch	TP1			10	%	at 1MHz
Differential Return Loss (SDD11)	TP1	See CEI- 28G-VSR Equation 13-19			dB
Common Mode to Differential conversion and Differential to Common Mode conversion (SDC11, SCD11)	TP1	See CEI- 28G-VSR Equation 13-20			dB	2
Stressed Input Test	TP1a	See CEI- 28G-VSR Section 13.3.11.2.1				V
Receiver (each lane)
Differential Voltage, pk-pk	TP4			900	mV
Common Mode Voltage (Vcm)	TP4	-350		2850	mV	1
Common Mode Noise, RMS	TP4			17.5	mV
Differential Termination Resistance Mismatch	TP4			10	%	at 1 MHz
Differential Return Loss (SDD22)	TP4	See CEI- 28G-VSR Equation 13-19			dB
Common to Mode to Differential Conversion and Differential to Common Mode conversion (SDC22, SCD22)	TP4	See CEI- 28G-VSR Equation 13-21			dB
Common Mode Return Loss (SCC22)	TP4				dB	2
Transition Time 20% to 80%	TP4	9.5			ps
Vertical Eye Closure (VEC)	TP4				dB
Eye Width at 10-15 probability (EW15)	TP4	0.57			UI
Eye Height at 10-15 probability (EH15)	TP4	228			mV

Pin Descriptions

Pin	Logic	Symbol	Name/Description	Notes
1		GND	Ground	1
2	CML-I	Tx2n	Transmitter Inverted Data Input
3	CML-I	Tx2p	Transmitter Non-Inverted Data Input
4		GND	Ground	1
5	CML-I	Tx4n	Transmitter Inverted Data Input
6	CML-I	Tx4p	Transmitter Non-Inverted Data Input
7		GND	Ground	1
8	LVTTL-I	ModSelL	Module Select
9	LVTTL-I	ResetL	Module Reset
10		VccRx	+3.3V Power Supply Receiver	2
11	LVCMOS-I/O	SCL	2-wire serial interface clock
12	LVCMOS-I/O	SDA	2-wire serial interface data
13		GND	Ground	1
14	CML-O	Rx3p	Receiver Non-Inverted Data Output
15	CML-O	Rx3n	Receiver Inverted Data Output
16	GND	Ground	1B	GND
17	CML-O	Rx1p	Receiver Non-Inverted Data Output
18	CML-O	Rx1n	Receiver Inverted Data Output
19		GND	Ground	1
20		GND	Ground	1
21	CML-O	Rx2n	Receiver Inverted Data Output
22	CML-O	Rx2p	Receiver Non-Inverted Data Output
23		GND	Ground	1
24	CML-O	Rx4n	Receiver Inverted Data Output
25	CML-O	Rx4p	Receiver Non-Inverted Data Output
26		GND	Ground	1
27	LVTTL-O	ModPrsL	Module Present
28	LVTTL-O	IntL	Interrupt
29		VccTx	+3.3V Power supply transmitter	2
30		Vcc1	+3.3V Power supply	2
31	LVTTL-I	LPMode	Low Power Mode
32		GND	Ground	1
33	CML-I	Tx3p	Transmitter Non-Inverted Data Input
34	CML-I	Tx3n	Transmitter Inverted Data Input
35		GND	Ground	1
36	CML-I	Tx1p	Transmitter Non-Inverted Data Input
37	CML-I	Tx1n	Transmitter Inverted Data Input
38		GND	Ground	1

Ordering Information

Model Number	Part Number	Voltage	Temperature
AQSFP28-100G-SX4	OPCW-WX1-85-CB	3.3V	10°C to 70 °C