Datasheet

Data Sheet ADA4084-1/ADA4084-2/ADA4084-4
Rev. I | Page 27 of 36
0
–180
–140
–160
–120
–100
–80
–60
–40
–20
100 1k 10k 100k
CHANNEL SEPARATION (dB)
FREQUENCY (Hz)
V
SY
= ±15V
T
A
= 25°C
V
IN
= 10V p-p
08237-068
2kΩ
–
+
10V p-p
CH A
V
CC
V
EE
–
+
2kΩ
10kΩ
1kΩ
CH B,
CH C,
CH D
V
CC
V
EE
Figure 96. 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 10
V
SY
= ±15V
R
L
= 10kΩ
V
IN
AT 1kHz
08237-175
Figure 97. THD + N vs. Amplitude
1
THD + N (%)
0.001
0.01
0.1
0.0001
0.01 0.1
FREQUENCY (kHz)
1 10 100
V
SY
= ±15V
T
A
= 25°C
V
IN
= 5V rms
500kHz FILTER
R
L
= 10kΩ
R
L
= 2kΩ
08237-176
Figure 98. THD + N vs. Frequency, 500 kHz Filter
0.1
0.01
0.001
0.00001
0.0001
10 100 1k 10k 100k
THD + N (%)
FREQUENCY (Hz)
08237-289
V
SY
= ±15V
T
A
= 25°C
V
IN
= 300mV rms
80kHz FILTER
R
L
= 2kΩ
R
L
= 10kΩ
Figure 99. THD + N vs. Frequency, 80 kHz Filter
20
15
10
5
–15
–10
–5
–20
0 1000
VOLTAGE (V)
TIME (µs)
0
100 200 300 400 500 600 700 800 900
V
SY
= ±15V
T
A
= 25°C
OUTPUT
INPUT
08237-071
F
igure 100. No Phase Reversal
CH2 5VCH1 100mV
CH1 AMPL
202mV
M1µs A CH1 –84mV
1
2
T 10.2%
08237-178
V
IN
V
OUT
V
SY
= ±15V
F
igure 101. Positive 50% Overload Recovery
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