Datasheet

AD704
Rev. E | Page 7 of 16
50
40
30
20
10
0
–0.8 –0.4 0 0.4 0.8
INPUT OFFSET VOLTAGE DRIFT (µV/°C)
UNITS (%)
00818-013
Figure 13. Typical Distribution of Input Offset Voltage Drift
4
3
2
1
0
0 1 2 3 4 5
WARM-UP TIME (Minutes)
CHANGE IN OFFSET VOLTAGE (µV)
00818-014
Figure 14. Change in Input Offset Voltage vs. Warm-Up Time
120
100
80
60
40
20
0
–15 –10 –5 0 5 10 15
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
POSITIVE I
B
NEGATIVE I
B
00818-015
Figure 15. Input Bias Current vs. Common-Mode Voltage
1k
100
10
1
1 10 100 1k
FREQUENCY (Hz)
VOLTAGE NOISE (nV/
Hz)
00818-016
Figure 16. Input Noise Voltage Spectral Density
1k
100
10
1
1 10 100 1k
FREQUENCY (Hz)
CURRENT NOISE (fA/
Hz)
100Ω
20MΩ
10kΩ
V
OUT
00818-017
Figure 17. Input Noise Current Spectral Density
0 5 10
TIME (Seconds)
0.5µV
00818-018
Figure 18. 0.1 Hz to 10 Hz Noise Voltage