AD8224 Analog Devices, AD8224 Datasheet - Page 12

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

AD8224
Figure 12. Input Bias Current and Offset Current vs. Temperature,
–1
100p
100p
9
7
5
3
1
0.1p
Figure 11. Input Bias Current and Offset Current Temperature,
0.1p
–16
10n
10p
10n
10p
1n
1p
1n
1p
–50
–50
INPUT OFFSET
CURRENT ±15
Figure 10. Input Current vs. Common-Mode Voltage
–12
–15.1V
–25
–25
–5.1V
–8
COMMON-MODE VOLTAGE (V)
0
0
V
V
CURRENT ±15
S
–4
CURRENT ±5
S
CURRENT ±5
INPUT BIAS
INPUT BIAS
= ±15 V, V
= 5 V, V
TEMPERATURE (°C)
TEMPERATURE (°C)
OFFSET
25
25
INPUT
0
REF
50
50
REF
= 2.5 V
= 0 V
4
I
I
BIAS
BIAS
75
75
I
I
OS
OS
8
100
100
12
125
125
16
0.3
0.1
–0.1
–0.3
–0.5
150
150
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160
140
120
100
160
140
120
100
80
60
40
80
60
40
7
6
5
4
3
2
1
0
10
–50
1
Figure 14. CMRR vs. Frequency, 1 kΩ Source Imbalance
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
Figure 15. Change in CMRR vs. Temperature, G = 1
–30
10
–10
Figure 13. CMRR vs. Frequency
100
10
TEMPERATURE (°C)
FREQUENCY (Hz)
FREQUENCY (Hz)
100
30
1000
50
1000
70
10000
10000
BANDWIDTH
90
BANDWIDTH
LIMITED
LIMITED
110
100000
100000
130