Datasheet

AD8638/AD8639
Rev. F | Page 12 of 20
T
A
= 25°C, unless otherwise noted.
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/ Hz)
1k
100
10
1 10010 1k 10k 25k
06895-114
V
SY
= ±2.5V
Figure 41. Voltage Noise Density vs. Frequency
TIME (Seconds)
INPUT NOISE VOL
T
AGE (0.5µV/DIV)
1.5
1.0
0.5
0
–1.0
–0.5
–1.5
012345678910
06895-043
V
SY
= ±2.5V
Figure 42. 0.1 Hz to 10 Hz Noise
V
SY
(V)
SUPPLY CURRENT (µA)
1250
1000
750
500
250
0
0123 564 7 8 9 10 11 12 13 14 15 16
06895-014
+125°C
+85°C
+25°C
–40°C
Figure 43. Supply Current vs. Supply Voltage
1 10010 1k 10k 25k
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/ Hz)
1k
100
10
06895-115
V
SY
= ±8V
Figure 44. Voltage Noise Density vs. Frequency
TIME (Seconds)
INPUT NOISE VOLTAGE (µV)
1.5
1.0
0.5
0
–1.0
–0.5
–1.5
012345678910
06895-044
V
SY
= ±8V
Figure 45. 0.1 Hz to 10 Hz Noise
V
SY
= ±8V
V
SY
= ±2.5V
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
1400
1200
1000
800
600
400
200
0
–40 5 20 35 50 65 80 95 110–25 –10 125
06895-125
Figure 46. Supply Current vs. Temperature