Data Sheet

AD708

Rev. D | Page 7 of 16

40

0

10

20

30

35

5

15

25

0

1

10

100

DIFFERENTIAL VOLTAGE (±V)

Figure 8. Input Bias Current vs. Differential Input Voltage

45

40

0

10

20

30

35

5

15

25

0.1

1

10

100

FREQUENCY (Hz)

1/F CORNER

0.7Hz

Figure 9. Input Noise Spectral Density

TIME (1s/DIV)

1s

Figure 10. 0.1 Hz to 10 Hz Voltage Noise

16

14

12

10

8

6

4

2

0

–60

140

120

100

80

60

40

20

0

–20

–40

TEMPERATURE (°C)

VOUT = ±10V

RL = 10kΩ

RL = 2kΩ

Figure 11. Open-Loop Gain vs. Temperature

16

14

12

10

8

6

4

2

0

025

20

15

10

5

SUPPLY VOLTAGE (V)

RLOAD = 2kΩ

Figure 12. Open-Loop Gain vs. Supply Voltage

140

120

0

30

60

90

120

150

180

100

80

60

40

20

0

–20

10M

1M

100k

10k

1k

100

10

1

0.1

0.01

FREQUENCY (Hz)

PHASE

MARGIN = 43°

GAIN

RL = 2kΩ

CL = 1000pF

Figure 13. Open-Loop Gain and Phase vs. Frequency