AD8531/AD8532/AD8534
200
180
160
140
IMPEDANCE (Ω)
V
S
= 5V
T
A
= 25°C
CURRENT NOISE DENSITY (pA/√Hz)
1
V
S
= 5V
T
A
= 25°C
120
100
80
60
40
01099-018
0.1
A
V
= 10
A
V
= 1
20
0
1k
10k
100k
1M
LOAD CURRENT (mA)
10M
100M
0.01
10
100
1k
FREQUENCY (Hz)
10k
100k
Figure 18. Closed-Loop Output Impedance vs. Frequency
110
100
90
80
70
60
50
40
1k
Figure 21. Current Noise Density vs. Frequency
100
90
10
0%
01099-019
COMMON-MODE REJECTION (dB)
V
S
= 5V
A
V
= 1000
T
A
= 25°C
FREQUENCY = 1kHz
V
S
= 5V
T
A
= 25°C
100µV/DIV
MARKER 41µV/√Hz
10k
100k
FREQUENCY (Hz)
1M
10M
Figure 19. Voltage Noise Density vs. Frequency (1 kHz)
140
120
POWER SUPPLY REJECTION (dB)
Figure 22. Common-Mode Rejection vs. Frequency
100
90
V
S
= 5V
A
V
= 1000
T
A
= 25°C
FREQUENCY = 10kHz
V
S
= 2.7V
T
A
= 25°C
100
80
60
PSSR–
40
20
0
–20
–40
–60
100
1k
10k
100k
FREQUENCY (Hz)
1M
01099-023
200µV/DIV
PSSR+
10
0%
01099-020
MARKER 25.9µV/√Hz
10M
Figure 20. Voltage Noise Density vs. Frequency (10 kHz)
Figure 23. Power Supply Rejection vs. Frequency
Rev. F | Page 8 of 20
01099-022
01099-021
AD [ ANALOG DEVICES ]
