LM258(2002) 데이터 시트보기 (PDF) - ON Semiconductor

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LM258
(Rev.:2002)

Single Supply Dual Operational Amplifiers

ON Semiconductor 

LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904

VCC

MC1403

R1

VCC

R2

-

1/2

LM358

VO

+

2.5 V

VO

=

2.5 V (1 +

R1

R2

)

50 k

Vref

Vref

=

1

2

VCC

5.0 k

10 k

- VCC

1/2

LM358

+

R

RC

C

VO

fo =

1

2 π RC

For: fo = 1.0 kHz

R = 16 kΩ

C = 0.01 µF

Figure 10. Voltage Reference

Figure 11. Wien Bridge Oscillator

e1

+

1/2

1

C

R

R

LM358

-

R1 a R1

-

1/2

LM358

eo

+

b R1

-

1/2

1

C

R

LM358

e2

+

R

eo = C (1 + a + b) (e2 - e1)

Figure 12. High Impedance Differential Amplifier

R1

Vref

Vin

R2

+

1/2

LM358

-

VOH

VO

VO VOL

VinL =

R1

R1 + R2

(VOL - Vref)+ Vref

VinH =

R1

R1 + R2

(VOH -

Vref) +

Vref

H=

R1

R1 + R2

(VOH - VOL)

Hysteresis

VinL VinH

Vref

Figure 13. Comparator with Hysteresis

Vin C1

R2

R

-C

1/2

LM358

+

Vref

R2

R

100 k

C

R

-

1/2

100 k

-

1

fo = 2 π RC

R1 = QR

R2 =

R1

TBP

R3 = TN R2

Vref =

1

2

VCC

LM358

+

Vref

Bandpass

Output

R1

1/2

C1 = 10 C

LM358

+

For: fo = 1.0 kHz

Vref

Q = 10

R3

TBP = 1

TN = 1

-

1/2

LM358

+

C1

Notch Output R = 160 kΩ

C = 0.001 µF

R1 = 1.6 MΩ

Vref

Where: TBP = Center Frequency Gain

TN Ă= Passband Notch Gain

R2 = 1.6 MΩ

R3 = 1.6 MΩ

Figure 14. Bi–Quad Filter

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