25G SFP28 multimode 850nm ethernet fiber optic module

Single power supply +3.3V;

Hot-pluggable design

Up to 21Gb/s-25.83Gb/s bi-directional data links;

850nm VCSEL laser transmitter;

Conforms to IEEE 802.3z and 25GBASE-SX ethernet standards;

RoHS compliant;

The transmission distance on OM3 multimode fiber can reach 70m, and the transmission distance on OM4 multimode fiber can reach up to 100m;

Working temperature range: 0°C~70°C.

LRTP8525-X1ATL

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Overview Specifications Related products

Overview

LR-LINK LRTP8525-X1ATL 25G SFP28 multimode ethernet fiber optic module has a bidirectional data transmission capability of up to 21Gb/s~25.83Gb/s and is suitable for 25GBASE-SR Ethernet. It complies with the Ethernet IEEE 802.3 standard and Fiber Channel FC-PI-6,SFF-8402, providing a fast and reliable interface for 25G ethernet.

As a small pluggable optical transceiver module, LRTP8525-X1ATL complies with the SFF-8472 standard and implements digital diagnostic functions through a 2-wire serial bus.

Application

25GBASE-SR Ethernet

CPRI and eCPRI wireless networks

Specifications

Absolute Maximum Ratings
Parameter	Symbol	Min.	Typical	Max.	Unit
Data rate	DR		25.78		Gb/s
BER	BER			5x10⁻⁵
Operating temperature	T_C	0		70	◦C
Storage temperature	T_STO	−40		85	◦C
Working current	I_CC		145	290	mA
Operating voltage	V_CC	3.15	3.3	3.46	V
Maximum voltage	V_MAX	0.5		4	V

Transmitter
Parameter	Symbol	Min.	Typical	Max.	Unit
Transmitted optical power	P	−8.4		2.4	dBm
Optical center wavelength	λ_C	840	850	860	nm
Extinction Ratio @1.25Gb/s	ER	2			dB
Spectral width (RMS)	Δλ			0.6	nm
Relative intensity noise	RIN			−128	dB/Hz

Receiver
Parameter	Symbol	Min.	Typical	Max.	Unit
Optical center wavelength	λ _C	840	850	860	nm
Average received optical power @25.78Gbps	P_RX	−10.3		3	dBm
Return loss	ORL	12			dB
LOS signal active	LOS_A	−30			dBm
LOS signal failure	LOS_D			−13	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}	180		1600	mV
Transmitter off voltage	V_D	2		V_CC	V
Transmitter enable voltage	V_EN	V_EE		V_EE+0.8	V

Receiver
Parameter	Symbol	Min.	Typical	Max.	Unit
Differential output swing	V_{OUT PP}	370	600	850	mV
LOS signal active	V_{LOS A}	2		V_{CC HOST}	V
LOS signal failure	V_{LOS D}	V_EE		V_EE+0.8	V