AD8400AN10 Analog Devices, AD8400AN10 Datasheet - Page 10

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

AD8400/AD8402/AD8403
Figure 26. 1 k Gain and Phase
vs. Frequency
Figure 20. Normalized Gain Flat-
ness vs. Frequency
–12
–18
–24
–30
–36
–42
–10
–20
–45
–90
Figure 23. –3 dB Bandwidths
12
–6
10
100k
0
0
6
0
1k
V
V
R
f
–3dB
IN
DD
L
200k
= 1M
100
= 100mV rms
= +5V
= 71kHz, R = 100k
400k
R = 100k
FREQUENCY – Hz
FREQUENCY – Hz
10k
FREQUENCY – Hz
R = 50k
f
1k
–3dB
f
SEE TEST CIRCUIT 33
CODE = 80
V
T
–3dB
DD
A
= 125kHz, R = 50k
1M
= +25 C
= +5V
= 700kHz, R = 10k
10k
V
T
WIPER SET AT
HALF-SCALE 80
DD
A
= +25 C
2M
100k
H
= +5V
100k
R = 10k
4M 6M 10M
H
1M
1M
Figure 21. Supply Current vs. Logic
Input Voltage
1200
1000
0.01
Figure 24. Supply Current vs.
Clock Frequency
Figure 27. Shutdown Current vs.
Temperature
100
800
600
400
200
0.1
10
10
1
1
0
–55 –35
1k
0
A – V
B – V
C – V
D – V
T
V
A
DD
CODE = 55
CODE = 55
CODE = FF
CODE = FF
= +25 C
INPUT LOGIC VOLTAGE – Volts
DD
DD
DD
DD
= +5V
–15
1
10k
= 5.5V
= 3.3V
= 5.5V
= 3.3V
TEMPERATURE – C
FREQUENCY – Hz
5
–10–
H
H
H
H
2
V
25
DD
100k
= +3V
45
3
V
65
DD
T
A
= +5V
1M
85 105 125
= +25 C
A
4
B
C
D
10M
5
Figure 22. Power Supply Rejection
vs. Frequency
Figure 25. AD8403 Incremental
Wiper ON Resistance vs. V
0.001
0.01
160
140
120
100
0.1
Figure 28. Supply Current vs.
Temperature
80
60
40
20
80
60
40
20
1
100
0
0
–55 –35
0
V
T
CODE = 80
C
V
LOGIC INPUT
VOLTAGE = 0, V
DD
A
L
A
SEE TEST CIRCUIT
= +25 C
= 10pF
= 4V, V
= +5V DC
1
–15
1k
TEMPERATURE – C
FIGURE 32
B
H
FREQUENCY – Hz
2
5
= 0V
V
DD
SEE TEST CIRCUIT
25
1V p-p AC
DD
= +2.7V
V
V
10k
3
DD
DD
45
V
= +5.5V
FIGURE 36
DD
65
= +5.5V
4
100k
V
T
DD
A
85 105
DD
= +25 C
= +3.3V
5
REV. B
125
1M
6