Datasheet

AD5627R/AD5647R/AD5667R, AD5627/AD5667
Rev. 0 | Page 17 of 32
FREQUENCY (Hz)
OUTPUT NOISE (nV/√Hz)
800
0
100
200
300
400
500
600
700
100 10k1k 100k 1M
V
DD
= 3V
V
REFOUT
= 1.25V
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
MIDSCALE LOADED
0
6342-054
Figure 48. Noise Spectral Density, Internal Reference
FREQUENCY (Hz)
(dB)
–
20
–50
–80
–30
–40
–60
–70
–90
–100
2k 4k 6k 8k 10k
V
DD
= 5V
T
A
= 25°C
DAC LOADED WITH FULL SCALE
V
REF
= 2V ± 0.3V p-p
0
6342-055
Figure 49. Total Harmonic Distortion
CAPACITANCE (nF)
TIME (µs)
16
14
12
10
8
6
4
012 34567 981
0
V
REF
= V
DD
T
A
= 25°C
V
DD
=
5V
V
DD
=
3V
0
6342-056
Figure 50. Settling Time vs. Capacitive Load
FREQUENCY (Hz)
(dB)
5
–40
10k 100k 1M 10M
–35
–30
–25
–20
–15
–10
–5
0
V
DD
= 5V
T
A
= 25°C
06342-057
Figure 51. Multiplying Bandwidth