Datasheet

AD8228
Rev. 0 | Page 11 of 24
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
0.01 0.1 1 10
WARM-UP TIME (Minutes)
CHANGE IN INPUT OFFSET VOLTAGE (µV)
07035-002
Figure 15. Change in Input Offset Voltage vs. Warm-Up Time
3
2
1
0
–1
–2
–3
4
–4
–40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
07035-052
–IN I
BIAS
+IN I
BIAS
I
OS
Figure 16. Input Bias Current and Offset Current vs. Temperature
160
140
120
100
80
60
40
20
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
POSITIVE PSRR (dB)
07035-012
G = 100
G = 10
Figure 17. Positive PSRR vs. Frequency, RTI
160
140
120
100
80
60
40
20
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
NEGATIVE PSRR (dB)
07035-013
G = 100
G = 10
Figure 18. Negative PSRR vs. Frequency
70
60
50
40
30
20
10
0
–10
–20
–30
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
GAIN (dB)
07035-019
G = 100
G = 10
Figure 19. Gain vs. Frequency
150
100
50
0
–50
–100
–150
–45 –15 15 45 75 105–30 0 30 60 90 120 135
TEMPERATURE (°C)
GAIN ERROR (µV/V)
07035-007
G = 100
G = 10
Figure 20. Gain Error vs. Temperature