AD8403ARZ10 Datasheet, PDF (16/32 Pages) Analog Devices – 1-/2-/4-Channel Digital Potentiometers

AD8400/AD8402/AD8403
0.75
CODE = 80_H
V_DD = 5V
0.50 ^{SS = 158 UNITS}
0.25
AVERAGE + 2 SIGMA
0
AVERAGE
–0.25
–0.50
AVERAGE – 2 SIGMA
–0.75
0
100
200
300
400
500
600
HOURS OF OPERATION AT 150°C
Figure 21. Long-Term Drift Accelerated by Burn-In
2V
OUTPUT
INPUT
5V
5μs
TIME 500μs/DIV
Figure 22. Large Signal Settling Time
6
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
1k
CODE = FF_H
80_H
40_H
20_H
10_H
08_H
04_H
02_H
01_H
10k
100k
1M
FREQUENCY (Hz)
Figure 23. 50 kΩ Gain vs. Frequency vs. Code
10
FILTER = 22kHz
V_DD = 5V
T_A = 25°C
1
0.1
0.01
0.001
10
100
1k
10k
FREQUENCY (Hz)
100k
Figure 24. Total Harmonic Distortion Plus Noise vs. Frequency
(See Figure 41 and Figure 42)
45.25μs
V_OUT
(50mV/DIV)
50mV
200ns
TIME 200ns/DIV
Figure 25. Digital Feedthrough vs. Time
6
0
80_H
–6
40_H
–12
20_H
–18
10_H
–24
08_H
–30
04_H
–36
02_H
–42
01_H
–48
–54
1k
CODE = FF_H
10k
100k
1M
FREQUENCY (Hz)
Figure 26. 100 kΩ Gain vs. Frequency vs. Code
Rev. E | Page 16 of 32