Datasheet

AD8224 Data Sheet
Rev. C | Page 12 of 28
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.1 1 10 100 1000
06286-012
TIME (s)
DELTA V
OSI
(µV)
Figure 10. Change in Input Offset Voltage vs. Warmup Time
150
10
1 1M
FREQUENCY (Hz)
PSRR (dB)
10 100
1k 10k 100k
130
110
90
70
50
30
BANDWIDTH
LIMITED
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
06286-013
Figure 11. Positive PSRR vs. Frequency, RTI
150
10
1
1M
FREQUENCY (Hz)
PSRR (dB)
10 100 1k 10k 100k
130
110
90
70
50
30
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
06286-014
Figure 12. Negative PSRR vs. Frequency, RTI
06286-068
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
–1
1
3
5
7
9
–16 –12 –8
–4 0
4
8 12 16
–0.5
–0.3
–0.1
0.1
0.3
INPUT OFFSET CURRENT (pA)
–15.1V
INPUT BIAS
CURRENT ±15
INPUT
OFFSET
CURRENT ±5
INPUT BIAS
CURRENT ±5
–5.1V
INPUT OFFSET
CURRENT ±15
Figure 13. Input Bias Current and Input Offset Current vs. Common-Mode Voltage
10n
1n
100p
10p
1p
0.1p
–50 150
TEMPERATURE (°C)
INPUT BIAS CURRENT (A)
–25 0 25
50 75 100
125
I
OS
I
BIAS
06286-016
Figure 14. Input Bias Current and Offset Current vs. Temperature,
V
S
= ±15 V, V
REF
= 0 V
10n
1n
100p
10p
1p
0.1p
–50 150
TEMPERATURE (°C)
CURRENT (A)
–25 0 25 50 75 100 125
I
OS
I
BIAS
06286-017
Figure 15. Input Bias Current and Offset Current vs. Temperature,
V
S
= 5 V, V
REF
= 2.5 V