Datasheet

Data Sheet AD5444/AD5446
Rev. E | Page 13 of 28
–100
–90
–80
–60
–40
–20
0
10k 35k
T
A
= 25°C
V
REF
= 3.5V
AD8038 AMP
FREQUENCY (Hz)
30k25k20k15k
IMD (dB)
04588-067
–70
–50
–30
–10
Figure 34. Narrow-Band IMD, f
OUT
= 20 kHz and 25 kHz, Clock = 1 MHz
–100
–90
–80
–60
–40
–20
0
0 500k
T
A
= 25°C
V
REF
= 3.5V
AD8038 AMP
FREQUENCY (Hz)
400k300k200k100k
IMD (dB)
04588-068
–70
–50
–30
–10
Figure 35. Wideband IMD, f
OUT
= 20 kHz and 25 kHz, Clock = 1 MHz
04588-069
100
1k
10k 100k 1M
FREQUENCY (Hz)
80
0
70
OUTPUT NOISE
(nV/ Hz)
T
A
= 25°C
AD8038 AMP
50
60
40
20
30
10
FULL SCALE
LOADED TO DAC
MIDSCALE
LOADED TO DAC
ZERO SCALE
LOADED TO DAC
Figure 36. Output Noise Spectral Density