AD8421ARMZ-R7 datasheet(12/28 Pages) AD

12 / 28 page

AD8421

Data Sheet

Rev. 0 | Page 12 of 28

–40

–35

INPUT VOLTAGE (V)

–30

–20

–10

–30 –25 –20 –15 –10 –5

101520253035

VS = 5V

G = 100

Figure 16. Input Overvoltage Performance; +VS = 5 V, −VS = 0 V, G = 100

–30

–25

INPUT VOLTAGE (V)

–20

–10

–20

–15

–10

–5

VS = ±15V

G = 100

Figure 17. Input Overvoltage Performance; VS = ±15 V, G = 100

2.5

–2.5

–12

COMMON-MODE VOLTAGE (V)

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

–10 –8

–6

–4

–2

0246

Figure 18. Input Bias Current vs. Common-Mode Voltage

160

140

120

100

0.1

100

10k

100k

FREQUENCY (Hz)

GAIN = 100

GAIN = 10

GAIN = 1

GAIN = 1000

Figure 19. Positive PSRR vs. Frequency

160

140

120

100

0.1

100

10k

100k

FREQUENCY (Hz)

GAIN = 100

GAIN = 10

GAIN = 1

GAIN = 1000

Figure 20. Negative PSRR vs. Frequency

–30

100

10k

100k

10M

FREQUENCY (Hz)

–20

–10

GAIN = 100

GAIN = 10

GAIN = 1

GAIN = 1000

Figure 21. Gain vs. Frequency

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