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SFP 1.25Gbps 850nm 550m Optical Transceiver

Features: Supports 1.25Gbps/1.0625Gbps
Duplex LC connector
Hot pluggable SFP footprint
850nm VSCEL laser transmitter and PIN photo-detector

Specification parameter

Electrical Characteristics

(TOP(C) = 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)

Parameter	Symbol	Min.	Typ	Max.	Unit	Note
Transmitter
Differential data input swing	VIN,PP	200		1200	mVpp	1
Tx Disable Input-High	VIH	2.0		Vcc	V
Tx Disable Input-Low	VIL	0		0.8	V
Tx Fault Output-High	VOH	2.0		Vcc	V	2
Tx Fault Output-Low	VOL	0		0.8	V	2
Input differential impedance	Rin
Receiver
Differential data output swing	Vout,pp	300		1000	mVpp	3
Rx LOS Output-High	VROH	2.0		Vcc	V	2
Rx LOS Output-Low	VROL	0		0.8	V	2

Optical Characteristics

(TOP(C) = 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)

Parameter	Symbol	Min.	Typ	Max.	Unit	Note
Transmitter
Operating Wavelength	λ	770	850	860	nm
Ave. output power (Enabled)	PAVE	-9.5		0	dBm	1
Extinction Ratio	ER	9			dB	1
RMS spectral width	Δλ			0.85	nm
Rise/Fall time (20%~80%)	Tr/Tf			0.26	ps	2
Output Optical Eye	Compliant with IEEE802.3 (class 1 aser safety)
Receiver
Operating Wavelength	λ	770	850	860	nm
Receiver Sensitivity	PSEN			-17	dBm	3
Overload	PAVE	0			dBm	3
LOS Assert	Pa	-35			dBm
LOS De-assert	Pd			-18	dBm
LOS Hysteresis	Pd-Pa	0.5			dB