Datasheet

AD8682/AD8684
Rev. B | Page 6 of 16
FREQUENCY (Hz)
V
O
LTAGE NOISE DENSITY (nV/
√
Hz)
10
1
1000
100 10k1k
100
10
V
S
= ±15V
T
A
= 25°C
06278-009
Figure 9. Voltage Noise Density vs. Frequency
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
–15
0.1
1000
10 15–5
1
100
10
50–10
V
S
= ±15V
T
A
= 25°C
06278-010
Figure 10. Input Bias Current vs. Common-Mode Voltage
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
0
450
480
±20±10
455
465
460
±15±5
T
A
= 25°C
470
475
06278-011
Figure 11. AD8682 Supply Current vs. Supply Voltage
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE SWING (V)
0
–20
20
±20±10
–15
–5
–10
±15±5
T
A
= 25°C
R
L
= 10kΩ
0
15
V
OH
V
OL
5
10
06278-012
Figure 12. Output Voltage Swing vs. Supply Voltage
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
1k
0.1
100
1000
10k 1M100 100k
1
10
V
S
= ±15V
T
A
= 25°C
A
VCL
= 100
A
VCL
= 10
A
VCL
= 1
06278-013
Figure 13. Closed-Loop Output Impedance vs. Frequency
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
–50
450
480
12525
455
750
460
475
465
470
–25 50 100
06278-014
Figure 14. AD8682 Supply Current vs. Temperature