LM324 datasheet(7/12 Pages) ONSEMI

Part #	LM324

Description	Single Supply Quad Operational Amplifiers

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Manufacturer	ONSEMI [ON Semiconductor]

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LM324, LM324A, LM224, LM2902, LM2902V, NCV2902

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7

2

1

R1

TBP

R1 + R2

R1

R1 + R2

eo

e1

e2

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

R1

a R1

b R1

R

-

+

-

+

R

+

-

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

R1

R3

C1

100 k

R

C

R

C1

R2

100 k

Vin

Vref

Bandpass

Output

fo = 2 π RC

R1 = QR

R2 =

R3 = TN R2

C1 = 10C

1

Notch Output

Vref =VCC

Hysteresis

1

C R

VinL VinH

Vref

Where:TBP =Center Frequency Gain

Where: TN =Passband Notch Gain

R = 160 kΩ

C = 0.001 µF

R1 = 1.6 MΩ

R2 = 1.6 MΩ

R3 = 1.6 MΩ

For:fo =1.0 kHz

For: Q= 10

For: TBP = 1

For: TN = 1

-

+

MC1403

1/4

LM324

-

+

R1

VCC

VO

2.5 V

R2

50 k

10 k

Vref

Vref = VCC

2

5.0 k

R

C

R

C

+

-

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 =

1/4

LM324

1/4

LM324

1/4

LM324

1/4

LM324

1

C R

1/4

LM324

1/4

LM324

1/4

LM324

1/4

LM324

1/4

LM324

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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