JFOPT SFP28 25G 1310nm 40公里 ER LC DX光模块 - 符合IEEE 802.3CC 25GBASE-ER标准的单模收发器

产品型号	SFP28-25-13-40(ER)-LCD	工厂品牌	JFOPT嘉富
封装形式	SFP28	光口类型	双联LC
最高总速率	25.78G	每通道速率	10.31Gbps
最大传输距离	40km
工作波长	1310nm	工作电压	3.3V
光纤型号	SMF	纤芯尺寸	9/125
发射器类型	DML	接收器类型	APD
发射功率	-0.5~6.5dBm	接收灵敏度	＜19.5dBm
数字诊断(DDM)	YES	接收过载	-5dBm
功耗	≤2W	支持协议	SFF-8472, SFF-8432, SFF-8431
工作温度(商业级)	0℃~+70℃	储存温度（商业级）	-40℃~+85℃

生产线介绍

PRODUCTION LINE INTRODUCTION

JFOPT嘉富持续投入光模块生产领域，产品覆盖1*9、SFP、10G、25G、100G、200G、400G、800G GPON/EPON/XG/XGSPON OLT等全系列光模块。同时为下游同行提供TOSA、ROSA、BOSA等光器件半成品解决方案。JFOPT嘉富生产线具备日产量一万只光模块、两万只光器件的能力。此外，JFOPT嘉富光模块拥有业界领先的耐高温、抗干扰特性，广泛应用于计算中心、运营商、交通安防、电力设施等行业领域。

产品介绍

PRODUCT PRESENTATION

JFOPT SFP28 25G 1310nm 40km ER LC DX是一款超紧凑型光收发模块，专为将25Gbps串行CML电信号转换为符合25GBASE-ER标准的光信号而设计。其电接口遵循SFI规范，通过EML发射器和APD接收器为以太网应用提供卓越性能，支持单模光纤(SMF)上长达40公里的传输链路。该SFP28 ER模块完全符合SFF-8431、SFF-8432及IEEE 802.3CC 25GBASE-ER标准规范，并支持SFF-8472定义的基于双线串行接口的数字诊断功能。模块采用全兼容SFP封装规格，具备热插拔功能，可实现无缝光端口升级及低电磁干扰(EMI)发射，为高速网络应用提供可靠高效的解决方案。

光模块系列产品

TRANSCEIVER SERIES PRODUCTS

生产及检测设备

PRODUCTION & TESTING EQUIPMENT

产品特点

FEATURES

25.78Gb/s bit rates					Hot-pluggable
Duplex LC connector					EML transmitter, APD photo-detector
Up to 40km on SMF					Power supply :+3.3V
2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface for optical transceivers					Operating case temperature Range: 0~ 70°C
Cost effective SFP28 solution, enables higher port densities and greater bandwidth					Low power consumption<1.5W

应用范围

APPLICATION

High-speed storage area networks					Computer cluster cross-connect
Custom high-speed data pipes					Inter rack connection

符合标准

STANDARD COMPLIANCE

绝对最大额定值

ABSOLUTE MAXIMUM RATINGS

Parameter	Symbol	Min.	Typ.	Max.	Unit	Ref.
Storage temperature	TS	-40	-	+85	°C	-
Case operating temperature	TA	0	-	70	°C	-
Maximum supply voltage	Vcc	0	-	3.6	V	-
Relative humidity	RH	5	-	95	%	-

电气特性

ELECTRICALCTRICAL CHARACTERISTICS

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Supply voltage	VCC	3.135	-	3.465	V	-
Supply current	Icc	-	-	450	mA	-
Power consumption	P	-	-	1.5	W	-
Data rate	R	-	25.78	-	Gb/s	-
Transmitter Section:
Input differential impedance	Rin	-	100	-	Ω	1
Tx input single ended DC voltage tolerance (Ref VeeT)	V	-0.3	-	4	V	-
Differential input voltage swing	Vin,pp	180	-	700	mV	2
Transmit disable voltage	VD	2	-	Vcc	V	-
Transmit enable voltage	VEN	Vee	-	Vee+0.8	V	-
Receiver section:
Single ended output voltage tolerance	V	-0.3	-	4	V	-
Rx output diff voltage	Vo	150	-	900	mV	-
Rx output rise and fall time	Tr/Tf	9.5	-	-	ps	3
LOS fault	VLOS fault	2	-	VCCHOST	V	4
LOS normal	VLOS norm	Vee	-	Vee+0.8	V	4
Notes: 1.Connected directly to TX data input pins. AC coupling from pins into laser driver IC. 2.Per SFF-8431 Rev 3.0 3.20%～80% 4.LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.

光学特性

OPTICAL CHARACTERISTICS

Parameter	Symbol	Min.	Typ.	Max	Unit	Notes
Transmitter Section:
Center wavelength	λt	1295	-	1310	nm	-
Spectral width	△λ	-	-	1	nm	-
Average optical power	Pavg	0	-	+6	dBm	1
Laser off power	Poff	-	-	-30	dBm	-
Extinction ratio	ER	4	-	-	dB	-
Receiver Section:
Center wavelength	λr	1295	-	1325	nm	-
Receiver sensitivity(OMA)	Sen	-	-	-19	dBm	2
Stressed sensitivity(OMA)	Sen2	-	-	-16.5	dBm	2
Los assert	LOSA	-30	-	-	dBm	-
Los dessert	LOSD	-	-	-11	dBm	-
Los hysteresis	LOSH	0.5	-	5	dB	-
Overload	-	-9	-	-	dBm	3
Receiver reflectance	-	-	-	-12	dB	-
Notes: 1.Average power figures are informative only, per IEEE802.3CC. 2.Conditions of stressed receiver tests per IEEE802.3CC. At 5E-5 BER. 3.Receiver overload specified in OMA and under the worst comprehensive stressed condition.

时序特性

TIMING CHARACTERISTICS

Parameter	Symbol	Min.	Typ.	Max.	Unit
TX_disable assert time	t_off	-	-	100	us
TX_disable negate time	t_on	-	-	2	ms
Time to initialize include reset of TX_FAULT	t_int	-	-	300	ms
TX_FAULT from fault to assertion	t_fault	-	-	1	ms
TX_disable time to start reset	t_reset	10	-	-	us
Receiver loss of signal assert time	TA,RX_LOS	-	-	100	us
Receiver loss of signal deassert time	Td,RX_LOS	-	-	100	us
Rate-select chage time	t_ratesel	-	-	10	us
Serial ID clock time	t_serial-clock	-	-	100	kHz

数字诊断规格

DIGITAL DIAGNOSTIC SPECIFICATIONS

Data Address	Parameter	Accuracy	Unit
96-97	Transceiver internal temperature	±3.0	℃
98-99	VCC3 internal supply voltage	±3.0	%
100-101	Laser bias current	±10	%
102-103	Tx output power	±2.0	dBm
104-105	Rx input power	±2.0	dBm

引脚分配

PIN ASSIGNMENT

Pin	Symbol	Description	Notes
1	VeeT	Module transmitter ground	1
2	TX fault	Module transmitter fault	2
3	TX disable	Transmitter disable; turns off transmitter laser output	3
4	SDL	2 wire serial interface data input/output (SDA)	4
5	SCL	2 wire serial interface clock input (SCL)	4
6	MOD_ABS	Module absent, connect to VeeR or VeeT in the module	2
7	RS0	Rate select0, optionally control SFP+ receiver. When high,input data rate >4.5Gb/ s; when low, input data rate <=4.5Gb/s	-
8	LOS	Receiver Loss of signal indication	-
9	RS1	Rate select0, optionally control SFP+ transmitter. When high,input data rate >4.5Gb/s; when low, input data rate <=4.5Gb/s	-
10	VeeR	Module receiver ground	1
11	VeeR	Module receiver ground	1
12	RD-	Receiver inverted data out put	-
13	RD+	Receiver non-inverted data out put	-
14	VeeR	Module receiver ground	1
15	VccR	Module receiver 3.3V supply	-
16	VccT	Module transmitter 3.3V supply	-
17	VeeT	Module transmitter ground	1
18	TD+	Transmitter non-inverted data out put	-
19	TD-	Transmitter inverted data out put	-
20	VeeT	Module transmitter ground	1
Notes: 1.The module ground pins shall be isolated from the module case. 2.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board. 3.This pin shall be pulled up with 4.7K-10Kohms to VccT in the module. 4.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board.

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