1.25Gbps SFP Single-mode Transceiver

מק"ט: LRGP1312-20ATL

כרטיסי הרחבה למחשבים

PCIe

השוואת מוצר

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תיאור המוצר

Type: LR-LINK 1.25Gbps SFP Single-mode Transceiver

Features:

Single power supply +3.3V
Hot-pluggable design
Up to 1.25 Gb/s bi-directional data links
1310nm PF laser transmitter
Conforms to IEEE 802.3 Gigabit Ethernet and 1000BASE-SX standards, complies with EN60825-1
RoHS compliant
The transmission distance can reach 20km on 9/125um single-mode fiber
Working temperature range: Class C 0°C~70°C; Class I -40°C~85°C

Overview:

LR-LINK LRGP1312-20ATLD Gigabit SFP single-mode ethernet fiber optic module has a bidirectional data transmission capability
of up to 1.25Gb/s and is suitable for 1.25Gb/s Ethernet. It complies with the Ethernet IEEE 802.3 standard and Fiber Channel FC-PI
Rev.5.0, providing a fast and reliable interface for GE/FC applications.
As a small pluggable optical transceiver module, LRGP1312-20ATLD complies with the SFF-8472 standard and implements digital
diagnostic functions through a 2-wire serial bus.

Application
1.25Gb/s Gigabit Ethernet
1.063Gb/s Fiber Channel

Specifications:

Absolute Maximum Ratings
Parameter	Symbol	Min.	Typical	Max.	Unit
Data rate	DR		1.25		Gb/s
Data rate	DR		1.063		Gb/s
BER	BER			10⁻¹²
Operating temperature	T_C	0		70	◦C
		−40		85	◦C
		−40		85	◦C
Storage temperature	T_STO	−40		85	◦C
Working current	I_CC		175	300	mA
Operating voltage	V_CC	3.14	3.3	3.46	V
Maximum voltage	V_MAX	0.5		4	V

Transmitter
Parameter	Symbol	Min.	Typical	Max.	Unit
Transmitted optical power	P	−9.5		−3	dBm
Optical center wavelength	λ_C	1270		1355	nm
Extinction Ratio @1.25Gb/s	ER	9			dB
Spectral width (RMS)	Δλ			3	nm
Optical signal rise/fall time (20%-80%)	t_r/t_f		150	300	ps

Receiver
Parameter	Symbol	Min.	Typical	Max.	Unit
Receiver overload	P_OL	0			dBm
Optical center wavelength	λ _C	1260		1600	nm
Receive Sensitivity	R_{X SEN1}			−24	dBm
Return loss	ORL	12			dB
Receiver 3dB upper cutoff frequency				1500	MHz
LOS signal active	LOS_A	−35			dBm
LOS signal failure	LOS_D			−26	dBm
LOS signal hysteresis interval	LOS_H	0.5			dB

Transmitter
Parameter	Symbol	Min.	Typical	Max.	Unit
Differential input impedance	R_IN		100		Ω
Differential input swing	V_{IN PP}	250		1200	mV
Transmitter off voltage	V_D	V_CC-1.3		V_CC	V
Transmitter enable voltage	V_EN	V_EE		V_EE+0.8	V
Transmitter off wait time				10	us

Receiver
Parameter	Symbol	Min.	Typical	Max.	Unit
Differential output swing	V_{OUT PP}	300	400	800	mV
Output signal rise time / fall time (20%-80%)	t_r/t_f			300	ps
LOS signal active	V_{LOS A}	V_CC-0.5		V_{CC HOST}	V
LOS signal failure	V_{LOS D}	V_EE		V_EE+0.5	V