AD8225 查看數據表（PDF） - Analog Devices

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AD8225

Precision Gain of 5 Instrumentation Amplifier

Analog Devices 

30

25

20

15

10

5

0

10

100

1k

100k

LOAD RESISTANCE – ⍀

TPC 19. Output Voltage Swing vs. Load Resistance

CH 1 = 5V/DIV

100

OUTPUT (5V/DIV)

90

CH 2 = 10mV/DIV

10

0

HORIZ

(4␮s/DIV)

TEST

CIRCUIT

OUTPUT

(0.001%/DIV)

TPC 20. Large Signal Pulse Response and Settling

Time to 0.001%

INPUT

100

90

1

OUTPUT

10

0

2

CH 1 = 10mV, CH 2 = 20mV, H = 2␮s

TPC 21. Small Signal Pulse Response, CL = 100 pF

AD8225

10

9

8

7

6

5

0.001%

4

3

0.01%

2

1

0

0

5

10

15

20

STEP SIZE – V

TPC 22. Settling Time vs. Step Size

4

100mV

2V

3

100

2 90

1

0

–1

–2 10

0

–3

–4

–10

0

10

OUTPUT VOLTAGE – V

TPC 23. Gain Nonlinearity

1.5

1.4

1.3

1.2

1.1

+85 C

1.0

+25 C

0.9

0.8

–40 C

0.7

0.6

0.5

0 2 4 6 8 10 12 14 16 18 20

SUPPLY VOLTAGE – V

TPC 24. ISUPPLY vs. VSUPPLY and Temperature

REV. A

–9–

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