LM258DMR2 datasheet(9/14 Pages) ONSEMI

部件名	LM258DMR2

功能描述	Single Supply Dual Operational Amplifiers

Download	14 Pages

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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9 / 14 page

LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904

http://onsemi.com

9

2

1

Vref =VCC

1

2

Figure 15. Function Generator

Figure 16. Multiple Feedback Bandpass Filter

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

p fo C

R3

R1 =

2 A(fo)

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

C

Triangle Wave

Output

Square

Wave

Output

VCC

R3

R1

R2

Vref

Vin

C

VO

CO

CO = 10 C

Rf

if,

1/2

LM358

Vref

1/2

LM358

1/2

LM358

100 k

类似零件编号 - LM258DMR2

制造商	部件名	数据表	功能描述
ON Semiconductor	LM258DMR2	160Kb / 16P	DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS August, 2002 ??Rev. 11
	LM258DMR2G	220Kb / 14P	Single Supply Dual Operational Amplifiers November, 2011 ??Rev. 26
	LM258DMR2G	142Kb / 14P	Single Supply Dual Operational Amplifiers October, 2016 ??Rev. 32
	LM258DMR2G	376Kb / 16P	Single Supply Dual Operational Amplifiers August, 2021 - Rev. 34

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类似说明 - LM258DMR2

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