AD524CDZ 查看數據表（PDF） - Analog Devices

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AD524CDZ

Precision Instrumentation Amplifier

Analog Devices 

AD524

TEST CIRCUITS

INPUT

20V p-p

100kΩ

0.1%

11kΩ 1kΩ

0.1% 0.1%

10kΩ 1kΩ 10kΩ

0.01% 10T 0.1%

100Ω

0.1%

+VS

1–

RG1 16

8

G = 10

13

10

G = 100

12

AD524

9

G = 1000

11

6

RG2 3

7

2+

–VS

Figure 31. Settling Time Test Circuit

VOUT

+VS

I1

50µA

VB

I2

50µA

A1

+

C3

A2

+

C4

R53

20kΩ

R52

20kΩ

SENSE

CH2,

R57

20kΩ

–IN

CH3, CH4

Q1, Q3

R56

20kΩ Q2, Q4

A3

VO

R54

20kΩ R55

20kΩ

CH1

4.44kΩ

RG1 404Ω

RG2

G = 100

CH2, CH3,

CH4

REFERENCE

+IN

I3

40Ω

I4

50µA

G = 1000

50µA

CH1

–VS

Figure 32. Simplified Circuit of Amplifier; Gain Is Defined as

((R56 + R57)/(RG)) +1; For a Gain of 1, RG Is an Open Circuit

Rev. F | Page 14 of 28

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