LM324DTB datasheet(8/12 Pages) ONSEMI

部件名	LM324DTB

功能描述	Single Supply Quad Operational Amplifiers

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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LM324, LM324A, LM224, LM2902, LM2902V, NCV2902

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8

2

1

For less than 10% error from operational amplifier,

If source impedance varies, filter may be preceded with

voltage follower buffer to stabilize filter parameters.

where fo and BW are expressed in Hz.

Qo fo

BW

< 0.1

Given:fo =center frequency

A(fo)=gain at center frequency

Choose value fo, C

Then:

R3 =

Q

π fo C

R3

R1 = 2 A(f

o)

R1 R3

4Q2 R1 - R3

R2 =

+

-

+

-

Vref =VCC

Vref

f =

R1 + RC

4 CRf R1

R3 =

R2 R1

R2 + R1

R2

300 k

75 k

R3

R1

100 k

C

Triangle Wave

Output

Square

Wave

Output

Vin

Rf

if

Vref

1/4

LM324

1/4

LM324

Figure 15. Function Generator

Figure 16. Multiple Feedback Bandpass Filter

Vref =VCC

1

2

-

+

VCC

R3

R1

R2

Vref

C

VO

CO = 10 C

CO

1/4

LM324

类似零件编号 - LM324DTB

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ON Semiconductor	LM324DTBG	184Kb / 15P	Single Supply Quad Operational Amplifiers December, 2010 ??Rev. 24
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	LM324DTBR2G	143Kb / 14P	Single Supply Quad Operational Amplifiers October, 2016 ??Rev. 29

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