Datasheet

AD7401
Rev. D | Page 11 of 20
8
–8
–0.35
0.35
V
IN
– DC INPUT (V)
I
IN
(µA)
6
4
2
0
–2
–4
–6
–0.30 –0.25 –0.20 –0.15 –0.10 –0.05
0
0.05 0.10 0.15 0.20 0.25 0.30
V
DD1
= V
DD2
= 4.5V TO 5.25V
MCLKIN = 10MHz
MCLKIN = 5MHz
MCLKIN = 16MHz
05851-030
Figure 18. I
IN
vs. V
IN
− DC Input
0
–120
0.1 1000
RIPPLE FREQUENCY (kHz)
CMRR (dB)
–20
–40
–60
–80
–100
1 10 100
V
DD1
=V
DD2
=5V
V
DD1
=V
DD2
=5V
MCLKIN = 16MHz
MCLKIN = 5MHz
MCLKIN = 10MHz
05851-031
Figure 19. CMRR vs. Common-Mode Ripple Frequency
1.0
0
V
IN
DC INPUT (V)
NOISE (mV)
0.8
0.6
0.4
0.2
V
DD1
= V
DD2
= 5V
50kHz BRICK WALL FILTER
MCLKIN = 5MHz
MCLKIN = 10MHz
MCLKIN = 16MHz
05851-032
–0.30 –0.25 –0.20 –0.15 –0.10 –0.05
0
0.05 0.10 0.15 0.20 0.25 0.30
Figure 20. RMS Noise Voltage vs. V
IN
DC Input