Datasheet

AD5246 Data Sheet
Rev. C | Page 10 of 16
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
5kΩ
1k
–48
50kΩ
10kΩ
100kΩ
GAIN (dB)
FREQUENCY (Hz)
03875-032
Figure 15. –3 dB Bandwidth @ Code = 0x80
I
DD
(µA)
FREQUENCY (Hz)
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
03875-033
Figure 16. I
DD
vs. Frequency
V
BIAS
(V)
360
300
240
180
R
WB
(Ω)
120
60
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
T
A
= 25°C
R
AB
= 50kΩ
CODE = 0x00
V
DD
= 2.7V
V
DD
= 5.5V
03875-008
Figure 17. R
WB
vs. V
BIAS
vs. V
DD
V
DD
= 5.5V
V
B
= 0V
V
W
CLK
T
A
= 25°C
R
AB
= 10kΩ
F
CLK
= 100kHz
5V
0V
03875-006
1µs/DIV
Figure 18. Digital Feedthrough
V
DD
= 5.5V
V
B
= 0V
CODE 0x40 to 0x3F
T
A
= 25°C
R
AB
= 10kΩ
V
W
200ns/DIV
03875-007
Figure 19. Midscale Glitch, Code 0x40 to 0x3F
V
DD
= 5.5V
V
B
= 0V
CODE 00
H
TO 7F
H
V
W
T
A
= 25°C
R
AB
= 10kΩ
I
W
= 50µA
40µs/DIV
1
03875-005
Figure 20. Large Signal Settling Time