參數(shù)資料
型號: IL300
廠商: Vishay Intertechnology,Inc.
英文描述: Linear Optocoupler, High Gain Stability, Wide Bandwidth
中文描述: 線性光耦,高增益的穩(wěn)定性,寬帶
文件頁數(shù): 4/15頁
文件大?。?/td> 196K
代理商: IL300
www.vishay.com
12
Document Number 83622
Rev. 1.4, 26-Oct-04
VISHAY
IL300
Vishay Semiconductors
Table 2. Optolinear amplifiers
These amplifiers provide either an inverting or non-
inverting transfer gain based upon the type of input
and output amplifier. Table 2 shows the various con-
figurations along with the specific transfer gain equa-
tions. The offset column refers to the calculation of the
output offset or Vref2 necessary to provide a zero volt-
age output for a zero voltage input. The non-inverting
input amplifier requires the use of a bipolar supply,
while the inverting input stage can be implemented
with single supply operational amplifiers that permit
operation close to ground.
Figure 22. Non-inverting and Inverting Amplifiers
iil300_22
Vcc
20pF
4
1
2
3
4
8
7
6
5
+Vref2
R5
R6
7
2
4
3
Vo
R4
R3
–Vref1
Vin
R1
R2
3
7
6
+
+Vcc
100
6
IL 300
2
–Vcc
Vcc
–Vcc
+
Vcc
20pF
4
1
2
3
4
8
7
6
5
+Vref2
7
2
4
3
Vout
R4
R3
+Vref1
Vin
R1
R2
3
7
6
+
+Vcc
100
6
2
Vcc
–Vcc
+
Vcc
Non-Inverting Input
Non-Inverting Output
Inverting Input
Inverting Output
IL 300
–Vcc
Amplifier
Input
Output
Gain
Offset
Non-Inverting
Inverting
Non-Inverting Non-Inverting
Non-Inverting
VOUT
VIN
=
K3 R4 R2
R3 (R1 + R2)
VOUT
VIN
=
K3 R4 R2 (R5 + R6)
R3 R5 (R1 + R2)
VOUT
VIN
=
-K3R4R2(R5+R6)
R3 R5 (R1 + R2)
VOUT
VIN
=
K3 R4 R2
R3 (R1 + R2)
-
Vref2 =
Vref1 R4 K3
R3
Vref2 =
-Vref1
R3 R6
R4 (R5 + R6) K3
Vref2 =
Vref1
R3 R6
R4 (R5 + R6) K3
Vref2 =
-Vref1 R4 K3
R3
17189
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