Datasheet

Data Sheet AD5450/AD5451/AD5452/AD5453
Rev. G | Page 13 of 28
–120
–100
–80
–60
–40
–20
0
0 500k
T
A
= 25°C
V
DD
= 5V
V
REF
= 3.5V
AD8038 AMPLIFIER
FREQUENCY (Hz)
400k300k200k100k
SFDR (dB)
04587-085
Figure 36. Wideband SFDR, f
OUT
= 20 kHz, Clock = 1 MHz
–120
–100
–80
–60
–40
–20
0
0 500k
FREQUENCY (Hz)
400k300k200k100k
SFDR (dB)
04587-086
T
A
= 25°C
V
DD
= 5V
V
REF
= 3.5V
AD8038 AMPLIFIER
Figure 37. Wideband SFDR, f
OUT
= 50 kHz, Clock = 1 MHz
–120
–100
–80
–60
–40
–20
0
10k 30k
FREQUENCY (Hz)
25k20k15k
SFDR (dB)
04587-087
T
A
= 25°C
V
DD
= 5V
V
REF
= 3.5V
AD8038 AMPLIFIER
Figure 38. Narrow-Band SFDR, f
OUT
= 20 kHz, Clock = 1 MHz
–120
–100
–80
–60
–40
–20
0
30k 70k
T
A
= 25°C
V
DD
= 5V
V
REF
= 3.5V
AD8038 AMPLIFIER
FREQUENCY (Hz)
60k50k40k
SFDR (dB)
04587-088
Figure 39. Narrow-Band SFDR , f
OUT
= 50 kHz, Clock = 1 MHz