Datasheet

Data Sheet AD5620/AD5640/AD5660
Rev. G | Page 15 of 28
5s/DIV
10µV/DIV
1
04539-037
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
DAC LOADED WITH MIDSCALE
Figure 36. 0.1 Hz to 10 Hz Output Noise—AD5660-2/AD5660-3
4s/DIV
5µV/DIV
1
04539-054
V
DD
= 3V
V
REFOUT
= 1.25V
T
A
= 25°C
DAC LOADED WITH MIDSCALE
Figure 37. 0.1 Hz to 10 Hz Output Noise—AD5660-1
FREQUENCY (Hz)
OUTPUT NOISE (nV√Hz)
800
0
100
200
300
400
500
600
700
100 100001000 100000 1000000
04539-038
V
DD
= 3V
V
REFOUT
= 1.25V
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
MIDSCALE LOADED
Figure 38. Noise Spectral Density