AD8222 Analog Devices, AD8222 Datasheet - Page 14

• Manufacturer Part Number: AD8222
• Description: Precision, Dual-Channel Instrumentation Amplifier Data Sheet (Rev. 0, 7/2006)
• Manufacturer: Analog Devices

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