Datasheet

Data Sheet ADA4084-1/ADA4084-2/ADA4084-4
Rev. I | Page 15 of 36
0
–160
–140
–120
–100
–80
–60
–40
–20
100 1k 10k 100k
CHANNEL SEPARATION (dB)
FREQUENCY (Hz)
V
SY
= ±1.5V
T
A
= 25°C
V
IN
= 1V p-p
08237-022
2kΩ
–
+
10V p-p
CH A
V
CC
V
EE
–
+
2kΩ
10kΩ
1kΩ
CH B,
CH C,
CH D
V
CC
V
EE
Figure 34. Channel Separation vs. Frequency
1
0.1
0.01
THD + N (%)
0.001
0.0001
0.001 0.01
AMPLITUDE (V
RMS
)
0.1 1
V
SY
= ±1.5V
T
A
= 25°C
R
L
= 10kΩ
V
IN
AT 1kHz
08237-125
Figure 35. THD + N vs. Amplitude
0.01
THD + N (%)
0.001
0.01 0.1
FREQUENCY (kHz)
1 10 100
V
SY
= ±1.5V
T
A
= 25°C
V
IN
= 300mV rms
500kHz FILTER
R
L
= 10kΩ
R
L
= 2kΩ
08237-126
Figure 36. THD + N vs. Frequency, 500 kHz Filter
0.1
0.01
0.001
0.0001
10 100 1k 10k 100k
THD + N (%)
FREQUENCY (Hz)
08237-231
V
SY
= ±1.5V
T
A
= 25°C
V
IN
= 300mV rms
80kHz FILTER
R
L
= 2kΩ
R
L
= 10kΩ
Figure 37. THD + N vs. Frequency, 80 kHz Filter
2.0
–2.0
0 1000
VOLTAGE (V)
TIME (µs)
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
100 200 300 400 500 600 700 800 900
V
SY
= ±1.5V
T
A
= 25°C
OUTPUT
INPUT
08237-025
F
igure 38. No Phase Reversal
0.5
–2.0
–1.5
–1.0
–0.5
0
4
–1
0
1
2
3
–2 0 42
86
14 161210 18
VOLTAGE (V) VOLTAGE (V)
TIME (µs)
V
SY
= ±1.5V
T
A
= 25°C
OUTPUT
08237-233
INPUT
F
igure 39. Positive 50% Overload Recovery
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