參數(shù)資料
型號(hào): LM258D
廠商: MOTOROLA INC
元件分類: 運(yùn)動(dòng)控制電子
英文描述: DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
中文描述: DUAL OP-AMP, 5000 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDSO8
封裝: PLASTIC, SO-8
文件頁數(shù): 8/16頁
文件大?。?/td> 128K
代理商: LM258D
LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904
http://onsemi.com
8
R1
2
1
R1
T
BP
R1 + R2
R1
R1 + R2
1
e
o
e
1
e
2
e
o
= C (1 + a + b) (e
2
- e
1
)
R1
a R1
b R1
R
-
1/2
LM358
+
1/2
LM358
-
+
-
1/2
LM358
+
R
1/2
LM358
-
+
R1
R2
V
O
V
ref
V
in
V
OH
V
O
V
OL
V
inL
=
R1
(V
OL
- V
ref
)+ V
ref
V
inH
=
(V
OH
- V
ref
) + V
ref
H =R1R1
(V
OH
- V
OL
)
-
+
-
1/2
LM358
+
-
1/2
LM358
+
R
C
R2
R3
C1
100 k
R
C
R
C1
R2
100 k
V
in
V
ref
V
ref
V
ref
V
ref
Bandpass
Output
f
o
=2
π
RC
R1 = QR
R2 =
R3 = T
N R2
C1 = 10 C
1
Notch Output
V
ref
=
V
CC
Hysteresis
1
V
inL
V
inH
V
ref
1/2
LM358
+
1/2
LM358
T
BP
= Center Frequency Gain
T
N
= Passband Notch Gain
R
C
R1
R2
R3
For:
-
f
o
Q
T
BP
T
N
= 1.0 kHz
= 10
= 1
= 1
= 160 k
= 0.001
μ
F
= 1.6 M
= 1.6 M
= 1.6 M
Where:
MC1403
1/2
LM358
+
-
R1
V
CC
V
CC
V
O
2.5 V
R2
50 k
10 k
V
ref
V
ref
= 2
CC
5.0 k
R
C
R
C
+
1/2
LM358
-
V
O
2
π
RC
1
For: f
o
= 1.0 kHz
R = 16 k
C = 0.01
μ
F
V
O
= 2.5 V (1 +R2)
1
V
CC
f
o
=
Figure 10. Voltage Reference
Figure 11. Wien Bridge Oscillator
Figure 12. High Impedance Differential Amplifier
Figure 13. Comparator with Hysteresis
Figure 14. Bi–Quad Filter
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