AD795

REV. A

–5–

DIFFERENTIAL INPUT VOLTAGE – ±Volts

–6

–5

–4

–3

–2

–1

0

12

4

56

3

Figure 8. Input Bias Current vs. Differential Input Voltage

SOURCE RESISTANCE –

Ω

1k

10

1.0

Noise Bandwidth: 0.1 to 10Hz

100

Figure 10. Input Voltage Noise vs. Source Resistance

FREQUENCY – Hz

1k

10

1.0

100

1

10

10M

1M

100k

10k

1k

100

Figure 12. Input Voltage Noise Spectral Density

1.00

0.60

+15

0.70

0.65

–10

–15

0.80

0.75

0.85

0.90

0.95

+10

+5

0

–5

COMMON MODE VOLTAGE – Volts

Figure 7. Input Bias Current vs. Common-Mode Voltage

–60

140

–40

100

120

80

60

40

20

0

–20

TEMPERATURE –

15

12.5

10

7.5

5

100

10

1.0

0.1

0.01

VOLTAGE NOISE

CURRENT NOISE

f = 1kHz

Figure 9. Voltage and Current Noise Spectral Density vs.

Temperature

0.1 TO 10Hz INPUT VOLTAGE NOISE p-p –

µV

50

0

3

10

0

30

20

40

2

1

SAMPLE SIZE = 344

f = 0.1 TO 10Hz

Figure 11. Typical Distribution of Input Voltage Noise