Datasheet

Data Sheet AD5628/AD5648/AD5668
Rev. J | Page 17 of 30
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0
0.5
1.0 1.5
2.0 2.5
3.0
3.5 4.0
4.5 5.0
I
DD
(mA)
V
LOGIC
(V)
T
A
= 25°C
05302-136
V
DD
=
5V
V
DD
=
3V
Figure 37. Supply Current vs. Logic Input Voltage
6
5
4
3
2
1
0
–2 8
6420
V
OUT
(V)
TIME (µs)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-137
Figure 38. Full-Scale Settling Time, 5 V
5.5
4.5
3.5
2.5
1.5
0.5
5.0
4.0
3.0
2.0
1.0
0
–0.5
–0.0010 0.0010
0.00060.0002–0.0002–0.0006
VOLTAGE (V)
TIME (s)
V
OUT
A
V
DD
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-138
Figure 39. Power-On Reset to 0 V
5.5
4.5
3.5
2.5
1.5
0.5
5.0
4.0
3.0
2.0
1.0
0
–0.5
–0.0010 0.00100.00060.0002–0.0002–0.0006
VOLTAGE (V)
TIME (s)
V
OUT
A
V
DD
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-139
Figure 40. Power-On Reset to Midscale
5.5
4.5
3.5
2.5
1.5
0.5
5.0
4.0
3.0
2.0
1.0
0
–0.5
–10
1050–5
VOLTAGE (V)
TIME (µs)
V
OUT
A
24
TH
CLK RISING EDGE
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-140
Figure 41. Exiting Power-Down to Midscale
CH3 10.0mV
B
W
CH4 5.0V
M400ns A CH4 1.50V
T 17.0%
3
4
T
05302-141
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
V
OUT
A
24
TH
CLK RISING EDGE
Figure 42. Digital-to-Analog Glitch Impulse (Negative)
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