AD8222
15
60
40
GAIN = 1000
GAIN = 100
10
20
SETTLED TO 0.001%
GAIN = 10
GAIN = 1
0
SETTLED TO 0.01%
5
–20
–40
0
0
5
10
15
20
100
1k
10k
100k
1M
10M
OUTPUT VOLTAGE STEP SIZE (V)
FREQUENCY (Hz)
Figure 39. Settling Time vs. Step Size (G = 1)
Figure 42. Differential Output Configuration: Gain vs. Frequency
1k
100
10
100
V
DIFF_OUT
OUTPUT BALANCE = 20 log
90
80
70
60
50
40
30
20
10
0
V
CM_OUT
LIMITED BY
MEASUREMENT
SYSTEM
SETTLED TO 0.001%
SETTLED TO 0.01%
1
1
10
100
1k
1
10
100
1k
10k
100k
1M
GAIN
FREQUENCY (Hz)
Figure 40. Settling Time vs. Gain for a 10 V Step
Figure 43. Differential Output Configuration:
Output Balance vs. Frequency
200
SOURCE
= 20V p-p
SOURCE V
OUT
SMALLER TO
V
OUT
AVOID SLEW
RATE LIMIT
180
160
140
120
100
80
GAIN = 1000
THERMAL CROSSTALK
VARIES WITH LOAD
GAIN = 1
60
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 41. Channel Separation vs. Frequency, RL = 2 kΩ, Source Channel at G = 1
Rev. A | Page 14 of 24
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