Datasheet

AD8400/AD8402/AD8403
Rev. E | Page 16 of 32
HOURS OF OPERATION AT 150°C
ΔR
WB
RESISTANCE (%)
0.75
0.50
–0.75
0 600
100 300 400
0.25
–0.25
–0.50
200 500
0
AVERAGE + 2 SIGMA
AVERAGE
AVERAGE – 2 SIGMA
CODE = 80
H
V
DD
=5V
SS = 158 UNITS
01092-021
Figure 21. Long-Term Drift Accelerated by Burn-In
5μs
5V
2V
OUTPUT
INPUT
TIME 500μs/DIV
01092-022
Figure 22. Large Signal Settling Time
FREQUENCY (Hz)
GAIN (dB)
0
–6
–48
1k 10k 1M
–30
–36
–42
–12
–24
–18
–54
100k
6
CODE = FF
H
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
01092-023
Figure 23. 50 kΩ Gain vs. Frequency vs. Code
FREQUENCY (Hz)
THD + NOISE (%)
10
0.001
10 100k100 1k 10k
1
0.1
0.01
FILTER = 22kHz
V
DD
=5V
T
A
=25°C
01092-024
Figure 24. Total Harmonic Distortion Plus Noise vs. Frequency
(See Figure 41 and Figure 42)
V
OUT
(50mV/DIV)
TIME 200ns/DIV
200ns
50mV
45.25μs
01092-025
Figure 25. Digital Feedthrough vs. Time
FREQUENCY (Hz)
GAIN (dB)
0
–6
–48
1k 10k 1M
–30
–36
–42
–12
–24
–18
–54
100k
CODE = FF
H
6
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
01092-026
Figure 26. 100 kΩ Gain vs. Frequency vs. Code