AD8224 Analog Devices, AD8224 Datasheet - Page 18

• Manufacturer Part Number: AD8224
• Description: Precision, Dual-Channel, JFET Input Rail-to-Rail Instrumentation Amplifier
• Manufacturer: Analog Devices

AD8224
Figure 46. Small Signal Pulse Response, G = 1000,R
Figure 48. Settling Time vs. Gain for a 10 V Step, V
100
Figure 47. Settling Time vs. Step Size (G = 1) ±15 V, V
10
15
10
1
5
0
1
0
20mV/DIV
OUTPUT VOLTAGE STEP SIZE (V)
5
V
S
10
= 5 V, V
SETTLED TO 0.001%
GAIN (V/V)
SETTLED TO 0.001%
REF
XXX
10
= 2.5 V
SETTLED TO 0.01%
100
SETTLED TO 0.01%
L
S
= 2 kΩ, CL = 100 pF,
15
= ±15 V, V
REF
40µs/DIV
= 0 V
REF
1000
= 0 V
20
Rev. 0 | Page 18 of 28
Figure 49. Channel Separation vs. Frequency, R
Figure 50. Differential Output Configuration: Gain vs. Frequency
180
160
140
120
100
–20
–40
100
80
60
40
60
40
20
90
80
70
60
50
40
30
20
10
0
0
100
1
1
SOURCE
V
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
OUT
THERMAL CROSSTALK
VARIES WITH LOAD
MEASUREMENT
LIMITED BY
Figure 51. Differential Output Configuration:
SYSTEM
= 20V p-p
Common-Mode Output vs. Frequency
10
10
1k
100
100
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
GAIN=1
GAIN=1000
1k
1k
CMR
100k
L
= 2 kΩ, Source Channel at G = 1
OUT
10k
10k
= 20 log
SOURCE V
SMALLER TO
AVOID SLEW
RATE LIMIT
1M
100k
100k
V
V
DIFF_OUT
CM_OUT
OUT
10M
1M
1M