AD8400AN10 Analog Devices, AD8400AN10 Datasheet - Page 9

• Manufacturer Part Number: AD8400AN10
• Description: 1-/2-/4-Channel Digital Potentiometers
• Manufacturer: Analog Devices

Figure 11.
Tempco
Figure 17. Total Harmonic Distortion
Plus Noise vs. Frequency
REV. B
0.001
–100
–0.25
–0.75
0.01
700
600
500
400
300
200
100
0.75
0.25
–0.5
0.1
10
0.5
1
0
10
0
Accelerated by Burn-In
Figure 14. Long-Term Drift
0
0
SEE TEST CIRCUIT FIGURE 32
SEE TEST CIRCUIT FIGURE 31
FILTER = 22kHz
V
T
CODE = 80
V
SS = 158 UNITS
DD
A
32
DD
= +25 C
100
HOURS OF OPERATION AT 150 C
= +5V
= +5V
R
100
64
WB
FREQUENCY – Hz
CODE – DECIMAL
H
200
/ T Rheostat Mode
96
AVG – 2 SIGMA
128
1k
300
V
T
V
R
AVG + 2 SIGMA
DD
A
A
WB
160
= –40 C/+85 C
= NO CONNECT
= +5V
MEASURED
400
10k
192 224 256
AVG
500
100k
600
Figure 12. One Position Step Change
at Half-Scale (Code 7F
(50mV/DIV)
(20mV/DIV)
OUTPUT
(5V/DIV)
INPUT
Figure 15. Large Signal Settling
Time
Figure 18. Digital Feedthrough
vs. Time
V
OUT
CS
R
W
–9–
TIME 500ns/DIV
TIME 200ns/DIV
TIME = 5 s/DIV
H
to 80
H
)
AD8400/AD8402/AD8403
Figure 13. Gain vs. Frequency for
R = 10 k
–12
–18
–24
–30
–36
–42
–48
–54
–12
–18
–24
–30
–36
–42
–48
–54
Figure 16. 50 k
quency vs. Code
–12
–18
–24
–30
–36
–42
–48
–54
–6
–6
–6
Figure 19. 100 k Gain vs. Fre-
quency vs. Code
6
0
6
0
6
0
10
1k
1k
T
SEE TEST FIGURE 33
80
40
20
10
08
04
02
01
A
H
H
H
H
H
H
H
H
= +25 C
100
FREQUENCY – Hz
10k
FREQUENCY – Hz
10k
FREQUENCY – Hz
1k
Gain vs. Fre-
10k
CODE = FF
100k
100k
80
40
20
CODE = FF
80
40
20
10
08
04
02
01
H
H
H
CODE = FF
100k
10
08
04
02
01
H
H
H
H
H
H
H
1M
1M
1M