Datasheet

Data Sheet ADN2850
Rev. E | Page 11 of 28
0
100
200
300
400
I
DD
(µA)
VDIO (V)
2.7V
3.0V
3.3V
5.0V
5.5V
02660-015
0 1 2 3 4 5
Figure 12. I
DD
vs Digital Input Voltage
FREQUENCY (Hz)
10 100 1k 10k 100k 1M
PSRR (dB)
–80
–60
–70
–50
–40
–30
–20
–10
0
R
AB
= 250kΩ
R
AB
= 25kΩ
02660-019
V
DD
= 5V ± 10% AC
V
SS
= 0V, I
W
(25k) = 200µA
I
W
(250k) = 20µA, V
B
= 0V
MEASURED AT V
W
WITH CODE = 0x200
T
A
= 25°C
Figure 13. PSRR vs. Frequency
02660-020
V
DD
= 5V
I
W
= 200µA
V
B
= 0V
T
A
= 25°C
1V/DIV
10µs/DIV
V
DD
V
W
(FULL SCALE)
Figure 14. Power-On Reset
2.5982
2.5975
2.5970
2.5965
2.5960
2.5955
2.5950
2.5945
2.5940
2.5935
2.5930
2.5925
2.5920
2.5915
2.5910
2.5905
2.5900
2.5895
2.5890
2.5885
2.5880
2.5873
–19.8 –10 0 10 20 30 40 50 60 70 80
02660-115
VOLTAGE (V)
TIME (µs)
V
DD
= 5V
V
SS
= GND
V
B
= V
SS
I
W
= 200µA
Figure 15. Midscale Glitch Energy, R
AB
= 25 kΩ, Code 0x200 to Code 0x1FF
2.2492
2.2490
2.2485
2.2425
0 50–39.8 100 150 200 250 300
02660-116
VOLTAGE (V)
TIME (µs)
2.2480
2.2475
2.2470
2.2465
2.2460
2.2455
2.2450
2.2445
2.2440
2.2435
2.2430
360
V
DD
= 5V
V
SS
= GND
V
B
= V
SS
I
W
= 20µA
Figure 16. Midscale Glitch Energy, R
AB
= 250 kΩ, Code 0x200 to Code 0x1FF
2.80
2.50
0.80.7 0.9 1.0 1.1 1.2 1.3 1.4 1.5
02660-117
TIME (µs)
2.75
2.70
2.65
WIPER VOLTAGE (V)
2.60
2.55
V
DD
= 5V
V
SS
= GND
V
B
= GND
I
W
(25k) = 200µA
I
W
(250k) = 20µA
Figure 17. Digital Feedthrough