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LM258N 数据表(PDF) 8 Page - ON Semiconductor

部件名 LM258N
功能描述  DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
Download  16 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

LM258N 数据表(HTML) 8 Page - ON Semiconductor

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LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904
http://onsemi.com
8
R1
2
1
R1
TBP
R1 + R2
R1
R1 + R2
1
eo
e1
e2
eo = C (1 + a + b) (e2 - e1)
R1
a R1
b R1
R
C R
-
+
1/2
LM358
+
-
-
+
R
1/2
LM358
+
-
R1
R2
VO
Vref
Vin
VOH
VO
VOL
VinL =
R1
(VOL - Vref)+ Vref
VinH =
(VOH - Vref) + Vref
H = R1 + R2 (VOH - VOL)
R1
-
+
-
+
-
+
R
C
R2
R3
C1
100 k
R
C
R
C1
R2
100 k
Vin
Vref
Vref
Vref
Vref
Bandpass
Output
fo = 2 π RC
R1 = QR
R2 =
R3 = TN R2
C1 = 10 C
1
Notch Output
Vref =VCC
Hysteresis
1/2
LM358
1/2
LM358
1
C R
VinL VinH
Vref
1/2
LM358
1/2
LM358
1/2
LM358
1/2
LM358
TBP = Center Frequency Gain
TN = Passband Notch Gain
R
C
R1
R2
R3
For:
-
+
fo
Q
TBP
TN
= 1.0 kHz
= 10
= 1
= 1
= 160 kΩ
= 0.001 µF
= 1.6 MΩ
= 1.6 MΩ
= 1.6 MΩ
Where:
MC1403
1/2
LM358
-
+
R1
VCC
VCC
VO
2.5 V
R2
50 k
10 k
Vref
Vref = VCC
2
5.0 k
R
C
R
C
+
1/2
LM358
-
VO
2 π RC
1
For: fo = 1.0 kHz
R = 16 kΩ
C = 0.01 µF
VO = 2.5 V (1 +
R1
R2 )
1
VCC
fo =
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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