參數(shù)資料
型號(hào)： IL300-DEFG
廠商： VISHAY SEMICONDUCTORS
元件分類： 光電耦合器
英文描述： Optocoupler DC-IN 1-CH Linear Photovoltaic DC-OUT 8-Pin PDIP-8A
中文描述： High Linearity Optocouplers High Gain Wide Bandwidth Linear
文件頁數(shù)： 8/11頁
文件大?。?/td> 186K
代理商： IL300-DEFG
IL300
www.vishay.com
Vishay Semiconductors
Rev. 1.7, 23-Sep-11
8
Document Number: 83622
For technical questions, contact:
optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc91000
Table 1. Gives the value of R5 given the production K3 bin.
The last step in the design is selecting the LED current
limiting resistor (R4). The output of the operational amplifier
is targeted to be 50 % of the V
CC
, or 2.5 V. With an LED
quiescent current of 12 mA the typical LED (V
F
) is 1.3 V.
Given this and the operational output voltage, R4 can be
calculated.
V
- V
F
I
Fq
The circuit was constructed with an LM201 differential
operational amplifier using the resistors selected. The
amplifier was compensated with a 100 pF capacitor
connected between pins 1 and 8.
The DC transfer characteristics are shown in figure 17. The
amplifier was designed to have a gain of 0.6 and was
measured to be 0.6036. Greater accuracy can be achieved
by adding a balancing circuit, and potentiometer in the input
divider, or at R5. The circuit shows exceptionally good gain
linearity with an RMS error of only 0.0133 % over the input
voltage range of 4 V to 6 V in a servo mode; see figure 15.
Fig. 14 - Transfer Gain
Fig. 15 - Linearity Error vs. Input Voltage
The AC characteristics are also quite impressive offering a
- 3 dB bandwidth of 100 kHz, with a - 45° phase shift at
80 kHz as shown in figure 16.
TABLE 1 - R5 SELECTION
BIN
K3
MAX.
0.623
0.693
0.769
0.855
0.950
1.056
1.175
1.304
1.449
1.610
R5 RESISTOR
1 % k
Ω
51.1
45.3
41.2
37.4
32.4
30
27
24
22
19.4
MIN.
0.560
0.623
0.693
0.769
0.855
0.950
1.056
1.175
1.304
1.449
TYP.
0.59
0.66
0.73
0.81
0.93
1
1.11
1.24
1.37
1.53
A
B
C
D
E
F
G
H
I
J
R4
--------------------------------
12 mA
---------------------------------
100
Ω
=
=
=
iil300_19
6.0
5.5
5.0
4.5
4.0
2.25
2.50
2.75
3.00
3.25
3.50
3.75
V
o
V
out
= 14.4 mV + 0.6036 x V
in
LM 201 T
a
= 25 °C
iil300_20
6.0
5.5
5.0
4.5
V
in
- Input Voltage (V)
4.0
- 0.015
- 0.010
- 0.005
0.000
0.005
0.010
0.015
0.020
0.025
L
LM201
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IL300-DEFG-X001 功能描述:高線性光耦合器 High Gain Wide Bandwidth Linear RoHS:否 制造商:Avago Technologies 輸入類型:AC/DC 最大正向二極管電壓:1.95 V 最大反向二極管電壓:2.5 V 最大輸入二極管電流:25 mA 最大功率耗散:60 mW 最大工作溫度:+ 100 C 最小工作溫度:- 55 C 封裝 / 箱體:DIP-8 Gull Wing 封裝:Tube
IL300-DEFG-X006 功能描述:高線性光耦合器 Single Linear, High Gain, Wide Bandwidth RoHS:否 制造商:Avago Technologies 輸入類型:AC/DC 最大正向二極管電壓:1.95 V 最大反向二極管電壓:2.5 V 最大輸入二極管電流:25 mA 最大功率耗散:60 mW 最大工作溫度:+ 100 C 最小工作溫度:- 55 C 封裝 / 箱體:DIP-8 Gull Wing 封裝:Tube
IL300-DEFG-X007 功能描述:高線性光耦合器 High Gain Wide Bandwidth Linear RoHS:否 制造商:Avago Technologies 輸入類型:AC/DC 最大正向二極管電壓:1.95 V 最大反向二極管電壓:2.5 V 最大輸入二極管電流:25 mA 最大功率耗散:60 mW 最大工作溫度:+ 100 C 最小工作溫度:- 55 C 封裝 / 箱體:DIP-8 Gull Wing 封裝: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:高線性光耦合器 Single Linear, High Gain, Wide Bandwidth RoHS:否 制造商:Avago Technologies 輸入類型:AC/DC 最大正向二極管電壓:1.95 V 最大反向二極管電壓:2.5 V 最大輸入二極管電流:25 mA 最大功率耗散:60 mW 最大工作溫度:+ 100 C 最小工作溫度:- 55 C 封裝 / 箱體:DIP-8 Gull Wing 封裝:Tube
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