LM258N(2005) 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

LM258N
(Rev.:2005)

Low Power Dual Operational Amplifiers

STMicroelectronics 

LM158-LM258-LM358-LM158A-LM258A-LM358A

Typical Applications

Figure 24. Using symmetrical amplifiers to

reduce input current

Figure 25. Low drift peak detector

1/2

I I I B LM158

eo

eI

IB

2N 929

IB

1.5MW

0.001mF

IB

3MW

1/2

LM158

Input current compensation

IB

IB

1/2

LM158

eI

ZI

1/2

I B LM158

eo

C

1mF

2I B

Zo

2IB

R

1MW

2N 929 0.001mF

IB

3R

3MW

IB

1/2

LM158

Input current

compensation

Figure 26. Active band-pass filter

+V1

R2

100kW

R3

100kW

R1

100kW

1/2

LM158

R4

10MW

C2

R6

330pF 470kW

1/2

LM158

C1

330pF

1/2

LM158

R8

100kW

C3

10mF

R5

470kW

R7

100kW

Vo

VCC

11/16

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