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| 型号： | IL300-DEFG |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 光电元器件 |
| 英文描述： | SPECIALTY OPTOELECTRONIC DEVICE |
| 文件页数： | 5/8页 |
| 文件大小： | 457K |
| 代理商： | IL300-DEFG |
2001 Inneon Technologies Corp. Optoelectronics Division San Jose, CA
IL300
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)
2–132
April 3, 2000-14
Figure 10. Transfer gain vs. LED current and temperature
Figure 11. Normalized transfer gain vs. LED current
and temperature
Figure 12. Amplitude response vs. frequency
Figure 13. Amplitude and phase response vs. frequency
0
5
10
15
20
25
1.010
1.005
1.000
0.995
0.990
IF - LED Current - mA
K3
-
T
ransf
er
Gain
-
(K2/K1)
0
°C
25
°C
50
°C
75
°C
0
5
10
15
20
25
1.010
1.005
1.000
0.995
0.990
IF - LED Current - mA
K3
-
T
ransf
er
Gain
-
(K2/K1)
0
°C
25
°C
50
°C
75
°C
Normalized to:
IF=10 mA,
TA=25°C
104
105
106
5
0
-5
-10
-15
-20
F - Frequency - Hz
Amplitude
Response
-
dB
RL=1.0 K
RL=10 K
IF=10 mA, Mod=±2.0 mA (peak)
dB
PHASE
-
Phase
Response
-
°
103
104
105
106
107
5
0
-5
-10
-15
-20
45
0
-45
-90
-135
-180
F - Frequency - Hz
Amplitude
Response
-
dB
IFq=10 mA
Mod=
±4.0 mA
TA=25°C
RL=50
Figure 14. Common mode rejection
Figure 15. Photodiode junction capacitance vs. reverse
voltage
Application Considerations
In applications such as monitoring the output voltage from a
line powered switch mode power supply, measuring bioelectric
signals, interfacing to industrial transducers, or making oating
current measurements, a galvanically isolated, DC coupled
interface is often essential. The IL300 can be used to construct
an amplier that will meet these needs.
The IL300 eliminates the problems of gain nonlinearity and drift
induced by time and temperature, by monitoring LED output
ux.
A PIN photodiode on the input side is optically coupled to the
LED and produces a current directly proportional to ux falling
on it. This photocurrent, when coupled to an amplier, provides
the servo signal that controls the LED drive current.
The LED ux is also coupled to an output PIN photodiode. The
output photodiode current can be directly or amplied to sat-
isfy the needs of succeeding circuits.
Isolated Feedback Amplier
The IL300 was designed to be the central element of DC cou-
pled isolation ampliers. Designing the IL300 into an amplier
that provides a feedback control signal for a line powered
switch mode power is quite simple, as the following example
will illustrate.
See Figure 17 for the basic structure of the switch mode supply
using the Inneon TDA4918 Push-Pull Switched Power Supply
Control Chip. Line isolation and insulation is provided by the
high frequency transformer. The voltage monitor isolation will
be provided by the IL300.
10
100
1000
10000
100000
1000000
-130
-120
-110
-100
-90
-80
-70
-60
F - Frequency - Hz
CMRR
-
Rejection
Ratio
-
dB
0
2
4
6
8
10
12
14
02
46
8
10
Voltage - Vdet
Capacitance
-
pF
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相关代理商/技术参数 |
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| IL300-DEFG-X001 | 功能描述:高线性光耦合器 High Gain Wide Bandwidth Linear RoHS:否 制造商:Avago Technologies 输入类型:AC/DC 最大正向二极管电压:1.95 V 最大反向二极管电压:2.5 V 最大输入二极管电流:25 mA 最大功率耗散:60 mW 最大工作温度:+ 100 C 最小工作温度:- 55 C 封装 / 箱体:DIP-8 Gull Wing 封装:Tube |
| IL300-DEFG-X006 | 功能描述:高线性光耦合器 Single Linear, High Gain, Wide Bandwidth RoHS:否 制造商:Avago Technologies 输入类型:AC/DC 最大正向二极管电压:1.95 V 最大反向二极管电压:2.5 V 最大输入二极管电流:25 mA 最大功率耗散:60 mW 最大工作温度:+ 100 C 最小工作温度:- 55 C 封装 / 箱体:DIP-8 Gull Wing 封装:Tube |
| IL300-DEFG-X007 | 功能描述:高线性光耦合器 High Gain Wide Bandwidth Linear RoHS:否 制造商:Avago Technologies 输入类型:AC/DC 最大正向二极管电压:1.95 V 最大反向二极管电压:2.5 V 最大输入二极管电流:25 mA 最大功率耗散:60 mW 最大工作温度:+ 100 C 最小工作温度:- 55 C 封装 / 箱体:DIP-8 Gull Wing 封装:Tube |
| IL300-DEFG-X007 | 制造商:Vishay Semiconductors 功能描述:; Leaded Process Compatible:Yes; Peak Re |
| IL300-DEFG-X007T | 功能描述:高线性光耦合器 Single Linear, High Gain, Wide Bandwidth RoHS:否 制造商:Avago Technologies 输入类型:AC/DC 最大正向二极管电压:1.95 V 最大反向二极管电压:2.5 V 最大输入二极管电流:25 mA 最大功率耗散:60 mW 最大工作温度:+ 100 C 最小工作温度:- 55 C 封装 / 箱体:DIP-8 Gull Wing 封装:Tube |
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