LMV301 데이터 시트보기 (PDF) - ON Semiconductor

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LMV301

Low Bias Current, 1.8V to 5V Single-Supply, Rail-to-Rail Operational Amplifier

ON Semiconductor 

LMV301

APPLICATIONS

VCC

MC1403

R1

VCC

R2

−

LMV301

VO

+

2.5 V

VO

+

2.5

V(1

)

R1)

R2

Figure 26. Voltage Reference

50 k

Vref

Vref

+

1

2

VCC

5.0 k

10 k

−

VCC

LMV301

+

R

RC

C

VO

fO

+

1

2pRC

For: fo = 1.0 kHz

R = 16 kW

C = 0.01 mF

Figure 27. Wien Bridge Oscillator

R1

Vref

Vin

R2

Hysteresis

VOH

+

VO

LMV301

−

VO

VOL

VinL VinH

VinL

+

R1

R1

)

R2

VinH

+

R1

R1 ) R2

H + R1

R1 ) R2

Vref

(VOL * Vref) ) Vref

(VOH * Vref) ) Vref

(VOH * VOL)

Figure 28. Comparator with Hysteresis

R1

Vin

C

C

VCC

R3

−

LMV301

+

R2

Vref

CO

VO

CO = 10 C

Given: fo = center frequency

A(fo) = gain at center frequency

Choose

value

fo,

C

Q

Then : R3 +

pfO C

R1 + R3

2 A(fO)

R1 R3

R2 +

4Q2 R1 * R3

For less than 10% error from operational amplifier,

((QO fO)/BW) < 0.1 where fo and BW are expressed in

Hz.

If source impedance varies, filter may be preceded with

voltage follower buffer to stabilize filter parameters.

Figure 29. Multiple Feedback Bandpass Filter

ORDERING INFORMATION

Device

Pinout Style

Marking

Package

Shipping†

LMV301SQ3T2G

Style 3

AAD

SC70−5

(Pb−Free)

3000 / Tape & Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

http://onsemi.com

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