AD8224

Rev. B | Page 12 of 28

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.1

1

10

100

1000

TIME (s)

Figure 10. Change in Input Offset Voltage vs. Warmup Time

150

10

11M

FREQUENCY (Hz)

10

100

1k

10k

100k

130

110

90

70

50

30

GAIN = 1000

BANDWIDTH

LIMITED

GAIN = 100

GAIN = 10

GAIN = 1

Figure 11. Positive PSRR vs. Frequency, RTI

150

10

11

FREQUENCY (Hz)

M

10

100

1k

10k

100k

130

110

90

70

50

30

GAIN = 1

GAIN = 10

GAIN = 100

GAIN = 1000

Figure 12. Negative PSRR vs. Frequency, RTI

COMMON-MODE VOLTAGE (V)

–1

1

3

5

7

9

–16

–12

–8

–4

0

4

8

12

16

–0.5

–0.3

–0.1

0.1

0.3

–15.1V

INPUT BIAS

CURRENT ±15

INPUT

OFFSET

CURRENT ±5

INPUT BIAS

CURRENT ±5

–5.1V

INPUT OFFSET

CURRENT ±15

Figure 13. Input Bias Current and Input Offset Current vs. Common-Mode Voltage

10n

1n

100p

10p

1p

0.1p

–50

150

TEMPERATURE (°C)

–25

0

25

50

75

100

125

Figure 14. Input Bias Current and Offset Current vs. Temperature,

10n

1n

100p

10p

1p

0.1p

–50

150

TEMPERATURE (°C)

–25

0

25

50

75

100

125

Figure 15. Input Bias Current and Offset Current vs. Temperature,