Datasheet
Data Sheet AD5791
Rev. D | Page 15 of 28
10.8
10.6
10.4
10.2
10.0
9.8
9.6
9.4
0 1
5
43
2
V
OUT
(mV)
TIME (µ
s)
088964-063
±10V V
REF
OUTPUT GAIN OF 1
BIAS COMPENSA
TION MODE
20pF COMPENS
ATION CA
P
ACIT
OR
RC LOW-P
ASS FI
LTER
Figure 41. 500 Code Step Settling Time
10
0
1
2
3
4
5
6
7
8
9
16384
65536
OUTPUT GLITCH (nV–sec)
CODE
08964-059
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
POSITIVE CODE
CHANGE
NEGATIVE CODE
CHANGE
5V V
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CA
PACITOR
RC LOW-PASS FILTER
REF
Figure 42. 6 MSB Segment Glitch Energy for ±10 V V
REF
4.0
0
2.0
1.5
1.0
0.5
2.5
3.0
3.5
16384
65536
OUTPUT GLITCH (nV–sec)
CODE
08964-060
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
POSITIVE CODE
CHANGE
NEGATIVE CODE
CHANGE
10V V
REF
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSA
TION CAPACITOR
RC LOW-PASS FI
LTER
Figure 43. 6 MSB Segment Glitch Energy for +10 V V
REF
3.0
–0.2
2.2
1.0
1.4
1.8
0.6
0.2
2.6
16384
65536
OUTPUT GLITCH (nV–sec)
CODE
08964-061
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
NEGATIVE CODE
CHANGE
5V
V
REF
OUTPUT GAIN OF 1
BIAS COMPENS
ATION MODE
20pF COMPENSATION CAPACIT
OR
RC LOW-
PASS FI
LTER
POSITIVE CODE
CHANGE
Figure 44. 6 MSB Segment Glitch Energy for +5 V V
REF
40
–20
–10
0
10
20
30
–1.0 –0.5 2.01.51.0
0.50
V
OUT
(mV)
TIME (
µs)
088964-062
±10V V
REF
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CAPACITOR
RC LOW-PASS FILTER
C
X
= 143pF + 0pF
C
X
= 143pF + 220pF
C
X
= 143pF + 470pF
C
X
= 143pF + 1,000pF
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)
OUTPUT VOLTAGE (nV)
08964-044
MIDSCALE CODE LOADED
OUTPUT UNBUFFERED
AD8676 REFERENCE BUFFERS
T
A
= 25°C
V
DD
= +15V
V
SS
= –15V
V
REFP
= +10V
V
REFN
= –10V
Figure 46. Voltage Output Noise, 0.1 Hz to 10 Hz Bandwidth