Datasheet

ADA4084-2 Data Sheet
Rev. C | Page 10 of 28
10
4
1
1 10 100 1k 10k 100k
VOLTAGE NOISE DENSITY (nV/√Hz)
FREQUENCY (Hz)
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
08237-019
Figure 21. Voltage Noise Density
60
50
40
30
20
10
0
1 100010010
OVERSHOOT (%)
CAPACITANCE (pF)
ADA4084-2
V
SY
= ±1.5V
V
IN
= 100mV p-p
R
L
= 2kΩ
T
A
= 25°C
OS+
OS–
08237-020
Figure 22. Overshoot vs. Capacitance
80
–80
0 1 2
3 4 5 6 7
8 9 10
VOLTAGE NOISE (nV)
TIME (Seconds)
–60
–40
–20
0
20
40
60
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
08237-021
Figure 23. Voltage Noise 0.1 Hz to 10 Hz
0
–160
–140
–120
–100
–80
–60
–40
–20
100 1k 10k 100k
CHANNEL SEPARATION (dB)
FREQUENCY (Hz)
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
V
IN
= 1V p-p
08237-022
Figure 24. Channel Separation
1
0.1
0.01
0.001
0.001 0.01
0.1 1
THD + N (%)
AMPLITUDE (V
RMS
)
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
f = 1kHz
08237-023
Figure 25. THD + N vs. Amplitude
0.01
0.001
0.0001
10 100
1k 10k 100k
THD + N (%)
FREQUENCY (Hz)
ADA4084-2
R
L
= 2kΩ
V
IN
= 0.4V
RMS
V
SY
= ±1.5V
T
A
= 25°C
500kHz FILTER
08237-024
Figure 26. THD + N vs. Frequency