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40G QSFP+ ER4+ 60Km DDM LC 光模塊

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40G QSFP+ ER4+ 60km DDM Optical Transceiver

The RQ-40G-ER4+ is a transceiver module designed for 60km optical communication applications. The design is compliant to 40GBASE-ER4+ of the IEEE P802.3ba standard. The module converts 4 inputs channels of 10Gb/s electrical data to 4 CWDM optical signals, and multiplexes them into a single channel for 40Gb/s optical transmission.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit
Storage Temperature	TS	-40		+85	°C
SupplyVoltage	VCCT, R	-0.5		4	V
RelativeHumidity	RH	0		85	%

Recommended Operating Environment:

Parameter	Symbol	Min.	Typical	Max.	Unit
CaseoperatingTemperature	TC	0		+70	°C
Supply Voltage	VCCT, R	+3.13	3.3	+3.47	V
Supply Current	ICC			1000	mA
Power Dissipation	PD			3.5	W

Electrical Characteristics (TOP= 0 to 70 °C, VCC= 3.13 to 3.47 Volts)

Parameter	Symbol	Min	Typ	Max	Unit	Note
Data Rate per Channel		-	10.3125	11.2	Gbps
Power Consumption		-	2.5	5	W
Supply Current	Icc		0.75	1.3	A
Control I/O Voltage-High	VIH	2.0		Vcc	V
Control I/O Voltage-Low	VIL	0		0.7	V
Inter-Channel Skew	TSK			150	Ps
RESETL Duration			10		Us
RESETL De-assert time				100	ms
Power On Time				100	ms
Transmitter
Single Ended Output Voltage Tolerance		0.3		4	V	1
Common mode Voltage Tolerance		15			mV
Transmit Input Diff Voltage	VI	150		1200	mV
Transmit Input Diff Impedance	ZIN	85	100	115
Data Dependent Input Jitter	DDJ		0.3		UI
Receiver
Single Ended Output Voltage Tolerance		0.3		4	V
Rx Output Diff Voltage	Vo	370	600	950	mV
Rx Output Rise and Fall Voltage	Tr/Tf			35	ps	1
Total Jitter	TJ		0.3		UI

Note:

1. 20～80%

Optical Parameters (TOP = 0 to 70°C, VCC = 3.0 to 3.6 Volts)

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Transmitter
Wavelength Assignment	L0	1264.5	1271	1277.5	nm
	L1	1284.5	1291	1297.5	nm
	L2	1304.5	1311	1317.5	nm
	L3	1324.5	1331	1337.5	nm
Side-mode Suppression Ratio	SMSR	30	-	-	dB
Total Average Launch Power	PT		-	10.5	dBm
Average Launch Power, each Lane		+2	-	7	dBm
Transmit OMA per Lane	TxOMA	0.3		5.0	dBm
Difference in launch power between any two lanes (OMA)				4.7	dBm
Transmitter Dispersion Penaltyeach Lane	TDP			2.6	dB
Extinction Ratio	ER	5.5	6.5		dB
Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}		{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}
Optical Return Loss Tolerance		-	-	20	dB
Average Launch Power OFF Transmitter, each Lane	Poff			-30	dBm
Relative Intensity Noise	Rin			-128	dB/HZ	1
Optical Return Loss Tolerance		-	-	12	dB
Receiver
Damage Threshold	THd	-3			dBm	1
Average Power at Receiver Input, each Lane	R	-23		-6	dBm
Receive Electrical 3 dB upper Cut off Frequency, each Lane				12.3	GHz
RSSI Accuracy		-2		2	dB
Receiver Reflectance	Rrx			-26	dB
Receiver Power (OMA), each Lane		-	-	-4	dBm
Receive Electrical 3 dB upper Cutoff Frequency, each Lane				12.3	GHz
LOS De-Assert	LOSD			-25	dBm
LOS Assert	LOSA	-35			dBm
LOS Hysteresis	LOSH	0.5			dB

Note

1. 12dB Reflection

Order information

Product Number	Data Rate (Gb/s)	Wavelength (nm)	Reach (km)	Temperature (℃)
RQ-40G-ER4+	40	CWDM 4	60	0~70

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