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L8045

更新时间: 2024-02-27 05:54:34
品牌 Logo 应用领域
HAMAMATSU /
页数 文件大小 规格书
2页 101K
描述
Red LED for optical link

L8045 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:PLASTIC PACKAGE-4Reach Compliance Code:unknown
风险等级:5.79主体宽度:1.77 mm
主体高度:4.5 mm主体长度或直径:5.2 mm
数据速率:50 Mbps最长下降时间:8 ns
光纤设备类型:LED EMITTER光纤类型:POF
安装特点:THROUGH HOLE MOUNT信道数量:1
最高工作温度:85 °C最低工作温度:-40 °C
标称工作波长:650 nm上升时间:8 ns
光谱宽度:20 nm电源电流:20 mA
最大供电电压:2.3 V标称供电电压:1.9 V
表面贴装:NO传输类型:DIGITAL

L8045 数据手册

 浏览型号L8045的Datasheet PDF文件第2页 
L E D  
Red LED for optical link  
L8045  
Emitter for 50 Mbps optical link  
L8045 is optical communication devices designed for POF (Plastic Optical Fiber) data links. L8045 is a highly reliable, high-  
power LED that emits red light with a peak at 650 nm optimized for POF. A mini-lens is molded on the package for efficient coupling  
to a POF. When used with our recommended driver circuit, a 50 Mbps transmitter can be configured at low cost.  
Features  
Applications  
Peak wavelength: 650 nm  
High reliability  
High-speed data transmission even under poor environmental  
conditions with high noise  
High output  
Designed to be used with S8046 or S7141-10  
Absolute maximum ratings (Ta=25 °C)  
Parameter  
Forward current  
Reverse voltage  
Power dissipation *1  
Operating temperature  
Storage temperature  
Soldering  
Symbol  
Value  
40  
5
250  
-40 to +85  
-40 to +85  
Unit  
mA  
V
mW  
°C  
°C  
-
F
I
R
V
Pmax  
Topr  
Tstg  
-
230 °C, 5 s, at least 1.8 mm away from package surface  
*1: Derate power dissipation at a rate of -1.75 mW/°C above Ta=25 C  
°
Electrical and optical characteristics (Ta=25 °C)  
Parameter  
Symbol  
fD  
Condition  
Min.  
DC  
-
-
-
-
-13  
-
-
-3  
-
Typ.  
-
1.9  
-
650  
20  
-
-
-
-
-
Max.  
50  
2.3  
10  
-
-
-8  
8
Unit  
Mbps  
V
Data rate  
Forward voltage  
NRZ  
F
F
V
I =20 mA  
V =5 V  
I =20 mA  
I =20 mA  
R
R
Reverse current  
I
µA  
F
Peak wavelength  
nm  
nm  
dBm  
ns  
ns  
ns  
p
λ
F
Spectral half width (FWHM)  
Fiber-coupled optical output  
Rise time at pulse drive  
Fall time at pulse drive  
Pulse distortion  
∆λ  
Po  
tr  
tf  
T  
2
*
*2 20 to 80 %  
*2 80 to 20 %  
8
+1  
3
2
*
*
2
Jitter  
ns  
tj  
*2: Input is a pseudo-random bi-phase signal at 50 Mbps.  
Average value (duty ratio 50 %) measured by using a plastic fiber of 1 mm. SI-POF and NA=0.5 (GH4001 made by  
φ
Mitsubishi Rayon).  
Measured with the recommended driver circuit shown below. (Measurement conditions: Vcc=4.5 to 5.5 V, R1=750  
,
R2=2.2 k , R3=22 , C1=35 pF)  
Vcc  
Icc  
4.7  
F
0.1  
F
R2  
74ACT08  
3
14  
7
R1  
1
2
SIGNAL INPUT  
L8045  
1
2
3
4
R3  
C1  
KLEDC0018EB  
Note:  
· A bypass capacitor (0.1 µF) and another capacitor (4.7 µF) are connected between Vcc and GND at a position within 3 mm from  
the lead.  
· The center of the optical fiber is aligned with the center of the lens on the package. The distance between the fiber end and the  
lens is 0.1 mm.  
1

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