Datasheet

AD5623R/AD5643R/AD5663R Data Sheet
Rev. E | Page 16 of 32
SAMPLE NUMBER
V
OUT
(V)
2.456
2.458
2.460
2.462
2.464
2.466
2.468
2.470
2.472
2.474
2.476
2.478
2.480
2.482
2.484
2.486
2.488
2.490
2.492
2.494
2.496
0 50 100 150 350 400200 250 300 450 512
05858-057
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
5ns/SAMPLE NUMBER
ANALOG CROSSTALK = 4.462nV
Figure 40. Analog Crosstalk, Internal Reference
1
Y AXIS = 2µV/DIV
X AXIS = 4s/DIV
V
DD
= V
REF
= 5V
T
A
= 25°C
DAC LOADED WITH MIDSCALE
05858-063
Figure 41. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
5s/DIV
10µV/DIV
1
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
DAC LOADED WITH MIDSCALE
05858-064
Figure 42. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
4s/DIV
5µV/DIV
1
V
DD
= 3V
V
REFOUT
= 1.25V
T
A
= 25°C
DAC LOADED WITH MIDSCALE
05858-065
Figure 43. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
FREQUENCY (Hz)
OUTPUT NOISE (nV/√Hz)
800
0
100
200
300
400
500
600
700
100 10k1k 1M 10M
V
DD
= 3V
V
REFOUT
= 1.25V
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
MIDSCALE LOADED
05858-066
Figure 44. 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
05858-067
Figure 45. Total Harmonic Distortion