AD704

Rev. E | Page 7 of 16

50

40

30

20

10

0

–0.8

–0.4

0

0.4

0.8

INPUT OFFSET VOLTAGE DRIFT (µV/°C)

Figure 13. Typical Distribution of Input Offset Voltage Drift

4

3

2

1

0

0

1

2

3

4

5

WARM-UP TIME (Minutes)

Figure 14. Change in Input Offset Voltage vs. Warm-Up Time

120

100

80

60

40

20

0

–15

–10

–5

0

5

10

15

COMMON-MODE VOLTAGE (V)

POSITIVE IB

NEGATIVE IB

Figure 15. Input Bias Current vs. Common-Mode Voltage

1k

100

10

1

1

10

100

1k

FREQUENCY (Hz)

Figure 16. Input Noise Voltage Spectral Density

1k

100

10

1

1

10

100

1k

FREQUENCY (Hz)

100

Ω

20M

Ω

10k

Ω

VOUT

Figure 17. Input Noise Current Spectral Density

0

5

10

TIME (Seconds)

0.5µV

Figure 18. 0.1 Hz to 10 Hz Noise Voltage