參數(shù)資料
型號: OPT201
英文描述: OPT201 - DISCONTINUED PRODUCT. No longer recommended for new design.
中文描述: OPT201 -已停產(chǎn)產(chǎn)品。不再推薦用于新設(shè)計。
文件頁數(shù): 11/11頁
文件大小: 183K
代理商: OPT201
11
OPT201
FIGURE 12. LED Output Regulation Circuit.
FIGURE 13. 4-20mA Current-Loop Transmitter.
1M
OPT201
3
40pF
75
2
8
5
4
λ
1
4-20mA
(4mA Dark)
10V to 36V
100μA
1/2
REF200
100μA
1/2
REF200
20k
R
65
IN4148
2N2222
R
1
22.5k
Values shown provide a dark output of 4mA.
Output is 20mA at a photodiode current of
I
D max
. Values shown are for I
D max
max = 1μA.
R
1
= 1.014
(1 – 2500 I
D max
)
X
10
6
R
2
= 26,000
(1 – 2500 I
D max
)
1M
OPT201
3
40pF
75
8
5
4
1
–15V
λ
+15V
R
F
2
10k
OPA627
3.3nF
100k
REF102
LED
IN4148
270
+15V
4
6
2
10V
0.03μF
11k
LED
OPT201
Glass Microscope Slide
Approximately
92% light
available for application.
8%
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