Data Sheet
AD5790
Rev. D | Page 15 of 28
0
1
2
3
4
5
6
7
8
9
10
–1
0
1
2
3
4
5
V
O
UT
(m
V)
TIME (s)
VREFP = +10V
VREFN = –10V
RC LOW-PASS FILTER
UNITY GAIN MODE
ADA4898-1
10239-
042
Figure 41. 500 Code Step Settling Time
OU
TP
U
T
GLITC
H
(
nV
-s
e
c
)
CODE
NEGATIVE CODE
CHANGE
POSITIVE CODE
CHANGE
0
5
10
15
20
25
16384
49152
81920
114688
147456
180224
212992
245760
278528
311296
344064
376832
409600
442368
475136
507904
540672
573440
606208
638976
671744
704512
737280
770048
802816
835584
868352
901120
933888
966656
999424
1032192
VREFP = +10V
VREFN = –10V
UNITY GAIN MODE
ADA4898-1
RC LOW-PASS FILTER
NEGATIVE
POSITIVE
10239-
043
Figure 42. 6 MSB Segment Glitch Energy for ±10 V VREF
4.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
16384
65536
OU
TP
U
T
GLITC
H
(
nV
-s
e
c
)
CODE
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
NEGATIVE
POSITIVE
10239-
044
VREFP = 10V
VREFN = 0V
UNITY GAIN MODE
ADA4898-1
RC LOW-PASS FILTER
Figure 43. 6 MSB Segment Glitch Energy for 10 V VREF
6
0
2
1
3
4
5
16384
65536
OU
TP
U
T
GLITC
H
(
nV
-s
e
c
)
CODE
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
NEGATIVE
POSITIVE
10239-
045
VREFP = 5V
VREFN = 0V
UNITY GAIN MODE
ADA4898-1
RC LOW-PASS FILTER
Figure 44. 6 MSB Segment Glitch Energy for 5 V VREF
–25
–15
–5
5
15
25
35
45
55
1
0
1
2
3
OU
TP
U
T
GLITC
H
(
m
V
)
TIME (s)
VREFP = +10V
VREFN = –10V
RC LOW-PASS FILTER
UNITY GAIN MODE
ADA4898-1
±10V SPAN
+10V SPAN
+5V SPAN
10239-
047
Figure 45. Midscale Peak-to-Peak Glitch for ±10 V
800
600
400
200
0
–200
–400
–600
0
1
2
3
4
5
6
7
8
9
10
TIME (Seconds)
OU
TP
U
T
V
OLTA
GE
(
nV
)
MIDSCALE CODE LOADED
OUTPUT UNBUFFERED
AD8676 REFERENCE BUFFERS
TA = 25°C
VDD = +15V
VSS = –15V
VREFP = +10V
VREFN = –10V
10239-
047
Figure 46. Voltage Output Noise, 0.1 Hz to 10 Hz Bandwidth