Datasheet

Data Sheet AD8538/AD8539
Rev. B | Page 17 of 24
06741-053
1k
100
10
100 1k 10k 100k
FREQUENCY (Hz)
AD8539
V
SY
= ±2.5V
VOLTAGE NOISE DENSITY (nV Hz)
Figure 52. AD8539 Voltage Noise Density
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
VOLTAGE (200mV/DIV)
–5 –4 –3 –2 –1 0 1 2 3 4 5
TIME (1s/DIV)
AD8539
V
SY
= 5V
A
V
= 1M
06741-054
Figure 53. AD8539 0.1 Hz to 10 Hz Input Voltage Noise
06741-055
INPUT VOLTAGE
OUTPUT
VOLTAGE
AD8539
V
SY
= ±2.5V
A
V
= 1
R
L
= 10kΩ
VOLTAGE (2V/DIV)
TIME (200µs/DIV)
Figure 54. AD8539 No Phase Reversal
06741-056
0
–20
–40
100
1k
10k
100k
FREQUENCY (Hz)
CHANNEL SEPARATION (dB)
–60
–80
–100
–120
–140
–160
AD8539
V
SY
= ±2.5V
Figure 55. AD8539 Channel Separation vs. Frequency