5962-88630023A データシートの表示（PDF） - Analog Devices

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5962-88630023A

Low Noise, Precision Instrumentation Amplifier

Analog Devices 

AMP01

+IN

GUARD

DRIVE

–IN

SIGNAL

GROUND

( ) VOLTAGE GAIN, G = 20 ؋ RS

RG1

AV = 500 WITH COMPONENTS SHOWN

+15V

7

2

6

741

3

4

–15V

RG3

200⍀

RG2

200⍀

R2

1M⍀

R1

1M⍀

C3

0.047␮F

+15V

RS

*

10k⍀

R4

15

NC

C1

0.047␮F

+ C5

10␮F

18

RS

14

6

RS

13

1

RG

12

V+

7

RG1

AMP01

400⍀ 2

RG

VOOS

V–

8

11

3

NULL 5 10

VIOS

NULL

4

17

9 R5

*

*

*SOLDER LINK

16

*

VR2

VR1

100k⍀ 100k⍀

R3

*

C4

0.047␮F

+ C6

10␮F

C2

0.047␮F

SENSE

OUTPUT

REFERENCE

GROUND

–15V

Figure 31. AMP01 Evaluation Circuit Showing Guard-Drive Connection

CC

ANALOG

POWER SUPPLY

+15V

0V

–15V

C

C

DIGITAL

POWER SUPPLY

0V

+5V

DIGITAL

GROUND

CC

4.7␮F

+

C

AMP01

7

9

8

OUTPUT

REFERENCE

SMP-11

SAMPLE AND HOLD

HOLD

CAPACITOR

ANALOG

GROUND

DIGITAL

GROUND

ADC

C = 0.047␮F CERAMIC CAPACITORS

Figure 32. Basic Grounding Practice

DIGITAL

DATA

OUTPUT

REV. D

–13–

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