Datasheet

Data Sheet AD5247
Rev. F | Page 11 of 20
FREQUENCY (Hz)
I
DD
(µA)
1k
0.25
0.20
0.15
0.30
0.10
0.05
10k 100k 1M
0
C
T
A
= 25°C
A-V
DD
= 5.5V
CODE = 0x55
B-V
DD
= 5.5V
CODE = 0x7F
C-V
DD
= 2.7V
CODE = 0x55
D-V
DD
= 2.7V
CODE = 0x7F
D
B
A
03876-020
Figure 22. I
DD
vs. Frequency
WIPER RESISTANCE (Ω)
CODE (Decimal)
0
125
100
75
150
50
2
5
16 80 128
0
T
A
= 25°C
R
AB
= 50k
V
DD
= 2.7V
V
DD
= 5.5V
32 48 64 96 112
03876-021
Figure 23. Wiper Resistance vs. Code vs. V
DD
V
DD
= 5.5V
V
A
= 5.0V
V
B
= 0V
V
W
CLK
T
A
= 25°C
R
AB
= 10k
F
CLK
= 100kHz
5V
0V
1µs/DIV
03876-022
Figure 24. Digital Feedthrough
V
DD
= 5.5V
V
A
= 5.0V
V
B
= 0V
CODE 0x40 TO CODE 0x3F
T
A
= 25°C
R
AB
= 10kΩ
V
W
200ns/DIV
03876-023
Figure 25. Midscale Glitch, Code 0x40 to Code 0x3F
V
DD
= 5.5V
V
A
= 5.0V
V
B
= 0V
CODE 0x00 TO CODE 0x7F
T
A
= 25°C
R
AB
= 10k
V
W
4µs/DIV
03876-024
Figure 26. Large Signal Settling Time