| 產品型號 | JFTSM-SFP28-25-85-01(SR)-LCD | 工廠品牌 | JFOPT嘉富 |
| 封裝形式 | SFP28 | 光口類型 | LC 雙聯 |
| 最高總速率 | 25.78G | 每通道速率 | 10.31Gbps |
| OM3最大傳輸距離 | 70m | OM4最大傳輸距離 | 100m |
| 工作波長 | 850nm | 工作電壓 | 3.3V |
| 光纖型號 | MMF | 纖芯尺寸 | 50/125 |
| 發射器類型 | VCSEL | 接收器類型 | PIN |
| 發射功率 | -8.4~2.4dbm | 接收靈敏度 | ＜-6dBm |
| 數字診斷(DOM) | YES | 接收過載 | 2.4dBm |
| 功耗 | ≤1W | 支持協議 | SFF-8472, SFF-8024, SFF-8431, SFF-8432 |
| 工作溫度(商業級) | 0℃~+70℃ | 儲存溫度（商業級） | -40℃~+85℃ |
| 工作溫度(工業級) | -40℃~+85℃ | 儲存溫度（工業級） | -40℃~+85℃ |
生產線介紹
PRODUCTION LINE INTRODUCTION
JFOPT嘉(jia)富(fu)持續投(tou)入光(guang)模塊(kuai)(kuai)生(sheng)(sheng)產領域，產品覆(fu)蓋(gai)1*9、SFP、10G、25G、100G、200G、400G、800G GPON/EPON/XG/XGSPON OLT等(deng)全系列光(guang)模塊(kuai)(kuai)。同(tong)時為下游同(tong)行提供TOSA、ROSA、BOSA等(deng)光(guang)器件(jian)半成品解決方(fang)案。JFOPT嘉(jia)富(fu)生(sheng)(sheng)產線具備日產量一萬只光(guang)模塊(kuai)(kuai)、兩萬只光(guang)器件(jian)的能力。此外(wai)，JFOPT嘉(jia)富(fu)光(guang)模塊(kuai)(kuai)擁有業界領先的耐高溫(wen)、抗干擾特(te)性，廣泛應用于計算中心(xin)、運營商、交通安防、電力設施等(deng)行業領域。
產品介紹
PRODUCT PRESENTATION
JFOPT SFP28 25G 850nm 100m SR LC DX光(guang)模塊專為(wei)多模光(guang)纖上的(de)25.78Gbps數(shu)(shu)據(ju)傳輸而優化設計，完全符合SFF-8431標準，其(qi)SFP+機械(xie)結構(gou)兼(jian)容SFF-8432規(gui)范。該模塊支持通過雙(shuang)線串行接口實現數(shu)(shu)字診斷監控功能（遵循SFF-8472標準），從而確(que)保精(jing)準的(de)性(xing)能監測并簡化網絡管理。
光模塊系列產品
TRANSCEIVER SERIES PRODUCTS
生產及檢測設備
PRODUCTION & TESTING EQUIPMENT
產品特點
FEATURES
| Supports 25.78Gb/s bit rate | Hot-pluggable SFP+ footprint | ||||||||
| 850nm VCSEL laser and PIN photo-detector | Internal CDR on transmitter and receiver channel | ||||||||
| Programmable RX pre-emphasis | Programmable TX input equalizer | ||||||||
| 0℃ to 70℃ operating temperature range | Link lengths at 25.78G 100m over OM4 MMF | ||||||||
| Single +3.3V±5% power supply |
應用范圍
APPLICATION
| 25GBASE-SR ethernet |
符合標準
STANDARD COMPLIANCE
絕對最大額定值
ABSOLUTE MAXIMUM RATINGS
| Parameter | Symbol | Min. | Max. | Unit | |||||
| Supply voltage | Vcc | -0.3 | +4.0 | V | |||||
| Storage temperature | Ts | -40 | +85 | ℃ | |||||
| Operating humidity | RH | 0 | +85 | % | |||||
一般規范
GENERAL SPECIFICATIONS
| Parameter | Symbol | Min | Typ. | Max | Unit | ||||
| Bit rate | BR | - | 25.78 | - | Gbps | ||||
| Bit Error ratio | BER | - | - | 5*10E-5 | - | ||||
| Max. supported link length | LMax | - | - | 100 | m | ||||
建議操作條件
RECOMMENDED OPERATING CONDITIONS
| Parameter | Symbol | Min. | Typ. | Max. | Unit | ||||
| Operating temperature | Tc | 0 | - | +70 | °C | ||||
| Power supply voltage | Vcc | 3.1 | 3.3 | 3.46 | V | ||||
| Bit rate | BR | - | 25.78 | - | Gbps | ||||
| Max. supported link length | LMAX | - | - | 100 | m | ||||
電氣特性
ELECTRICAL CHARACTERISTICS
| Parameter | Symbol | Min. | Typ. | Max | Unit | Note | |||
| Supply voltage | Vcc | 3.14 | 3.3 | 3.46 | V | - | |||
| Supply current | Icc | - | - | 230 | mA | - | |||
Transmitter |
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| Input differential impedance | RIN | 80 | 100 | 120 | Ω | 1 | |||
| Single ended data input swing | VIN | 90 | - | 150 | mVp-p | - | |||
| Transmit disable voltage | VDIS | 2 | - | VCCHOST | V | - | |||
| Transmit enable voltage | VEN | VEE | - | VEE+0.8 | V | - | |||
| Transmit fault assert voltage | VFA | 2 | - | VCCHOST | V | - | |||
| Transmit fault de-assert voltage | VFDA | VEE | - | VEE+0.8 | V | - | |||
Receiver |
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| Single ended data output swing | VOD | 200 | - | 500 | mVpp | - | |||
| LOS fault | VLOSFT | 2 | - | VCCHOST | V | - | |||
| LOS normal | VLOSFT | VEE | - | VEE+0.8 | V | - | |||
光學特性
OPTICAL CHARACTERISTICS
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note | |||
Transmitter |
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| Nominal wavelength | λ | 840 | - | 860 | nm | - | |||
| Spectral width | ?λ | - | - | 0.6 | nm | - | |||
| Optical modulation amplitude | POMA | -6.4 | - | 3 | dBm | - | |||
| Optical output power | POFF | -8.4 | - | 2.4 | dBm | - | |||
| Extinction ratio | ER | 2 | - | - | dB | - | |||
| Transmitter dispersion penalty | TDP | - | - | 5 | dB | - | |||
| Average launch power of OFF Transmitter |
POFF | - | - | -30 | dBm | - | |||
Receiver |
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| Center wavelength | λ | 840 | - | 860 | nm | - | |||
| Average receiver power | PAVG | -10.3 | - | 2.4 | dBm | 1 | |||
| Stressed receiver sensitivity(OMA) | RSENSE | - | - | -5.2 | dBm | 2 | |||
| Receiver reflectance | RREFL | - | - | -12 | dB | - | |||
| Assert LOS | LOSA | -30 | - | - | dBm | - | |||
| De-assert LOS | LOSD | - | - | -13 | dBm | - | |||
| LOS hysteresis | 0.5 | dB | - | ||||||
| Notes: 1. Sensitivity for 25.78G PRBS 231-1 and BER better than or equal to 5*10E-5. 2. The stressed sensitivity values in the table are for system level BER measurements which include the effects of CDR circuit. |
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引腳分配
PIN ASSIGNMENT
| Pin Number | Symbol | Name | Description | ||||||
| 1,17,20 | VeeT | Transmitter signal ground | These pins should be connected to signal groundon the host board. | ||||||
| 2 | TX fault | Transmitter fault out (OC) | Logic “1” output = Transmitter fault Logic “0” output = Normal operation This pin is open collector compatible, and should be pulled up to host Vcc with a 10kΩ resistor. |
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| 3 | TX disable | Transmitter disable in (LVTTL) | Logic “1” input (or no connection) = Laser off Logic “0” Input = Laser on This pin is internally pulled up to VccT with a 10 kΩ resistor |
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| 4 | SDA | Module definition identifiers | Serial ID with SFF 8472 diagnostics module definition pins should be pulled up to Host Vcc with 10 kΩ resistors. | ||||||
| 5 | SCL | ||||||||
| 6 | MOD-ABS | ||||||||
| 7 | RS0 | Receiver rate select (LVTTL) Transmitter rate select (LVTTL) |
NA | ||||||
| 9 | RS1 | NA | |||||||
| 8 | LOS | Loss of signal out (OC) | This pin is open collector compatible, and should be pulled up to host Vcc with a 10kΩ resist |
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| 10,11,14 | VeeR | Receiver signal ground | These pins should be connected to signal groundon the host board. | ||||||
| 12 | RD- | Receiver negative DATA out (CML) | Light on = logic “0” output receiver DATA output is internally AC coupled and series terminated with a 50Ω resistor. | ||||||
| 13 | RD+ | Receiver positive DATA out(CML) | Light on = Logic “1” output receiver DATA output is internal ly AC coupled and series terminated with a 50 Ω resistor. |
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| 15 | VccR | Receiver power supply | This pin should be connected to a filtered +3.3V power supply on the host board. See figure 3.recommended power supply filter | ||||||
| 16 | VccT | Transmitter power supply | This pin should be connected to a filtered +3.3V power supply on the host board. See figure 3.recommended power supply filter | ||||||
| 18 | TD+ |
    Transmitter positive DATA in(CML)
|
Logic “1” input = light on transmitter DATA inputs are internally AC coupled and terminated with a differential 100Ω resistor. | ||||||
| 19 | TD- | Transmitter negative DATA in(CML) | Logic “0” input = light on transmitter DATA inputs are internally AC coupled and terminated with a differential 100Ω resistor. | ||||||
產品包裝
PRODUCT PACKAGING
產品認證
PRODUCT CERTIFICATION
質量優勢
QUALITY ADVANTAGE
兼容品牌
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