Datasheet

Data Sheet AD5259
Rev. C | Page 11 of 24
1k 1M100k10k
05026-028
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
GAIN (dB)
Figure 24. Gain vs. Frequency vs. Code, R
AB
= 50 kΩ
1k 1M100k10k
05026-029
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
GAIN (dB)
Figure 25. Gain vs. Frequency vs. Code, R
AB
= 100 kΩ
1k 10M1M100k10k
05026-050
50k
160kHz
100k
80kHz
5k
2MHz
10k
800kHz
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
GAIN (dB)
Figure 26. −3 dB Bandwidth @ Code = 0×80
10k
1k
100
10
012345
05026-055
V
IH
(V)
I
LOGIC
(A)
V
DD
= V
LOGIC
= 5V
V
DD
= V
LOGIC
= 3V
Figure 27. Logic Supply Current vs. Input Voltage
80
60
40
20
0
100 1k 1M100k10k
05026-054
FREQUENCY (Hz)
PSRR (dB)
CODE = MIDSCALE, V
A
= V
LOGIC
, V
B
= 0V
PSRR @ V
LOGIC
= 5V DC  10% p-p AC
PSRR @ V
LOGIC
= 3V DC  10% p-p AC
Figure 28. PSRR vs. Frequency
05026-051
1
2
V
W
SCL
200mV/DIV
400ns/DIV
5V/DIV
Figure 29. Digital Feedthrough