LM358_04 datasheet(9/14 Pages) ONSEMI

Nome de Peças	LM358

Descrição Electrónicos	Single Supply Dual Operational Amplifiers

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Fabricante Electrônico	ONSEMI [ON Semiconductor]

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LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904

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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

Nº de peça semelhante - LM358_04

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Descrição semelhante - LM358_04

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LM358 Folha de dados(PDF) 9 Page - ON Semiconductor

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Nº de peça semelhante - LM358_04

Descrição semelhante - LM358_04

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