Datasheet

AD5590
Rev. A | Page 18 of 44
ADC
DACV
DD
and ADCV
DD
= 5 V, V
SY
= 5 V, unless otherwise noted.
5
–95
–75
–55
–35
–15
0 50 100 150 200 250 300 350 400 500
07691-025
450
8192 POINT FFT
f
SAMPLE
= 1MSPS
f
IN
= 50kHZ
SINAD = 70.697dB
THD = –79.171dB
SFDR = –79.93dB
FREQUENCY (kHz)
(dB)
Figure 25. ADC Dynamic Performance at 1 MSPS
75
55
60
65
70
10 100 1000
INPUT FREQUENCY (kHz)
(dB)
f
S
= MAX THROUGHPUT
T
A
= 25°C
RANGE = 0V TO V
REFA
ADCV
DD
= V
DRIVE
= 5.25V
ADCV
DD
= V
DRIVE
= 4.75V
07691-026
Figure 26. ADC SINAD vs. Analog Input Frequency
for Various Supply Voltages at 1 MSPS
–50
–90
–85
–80
–75
–70
–65
–60
–55
10 100 1000
INPUT FREQUENCY (kHz)
(dB)
ADCV
DD
= V
DRIVE
= 4.75V
ADCV
DD
= V
DRIVE
= 5.25V
f
S
= MAX THROUGHPUT
T
A
= 25°C
RANGE = 0V TO REF
IN
07691-027
Figure 27. THD vs. Analog Input Frequency for Various Supplies at 1 MSPS
–50
–85
–80
–75
–70
–65
–60
–55
10 100 1000
INPUT FREQUENCY (Hz)
(dB)
R
IN
= 1000Ω
R
IN
= 100Ω
R
IN
= 10Ω
R
IN
= 5Ω
f
S
= 1MSPS
T
A
= 25°C
ADCV
DD
= 5.25V
RANGE = 0V TO REF
IN
07691-028
Figure 28. ADC THD vs. Input Frequency for Various
Analog Source Impedances
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.
2
0.4
0.6
0.8
0 512 1024 1536 2048
2560 3072 3584 4096
CO
DE
INL ERROR (LSB)
ADCV
DD
= V
DRIVE
= 5V
TEMPERATURE = 25°C
07691-029
Figure 29. ADC Typical INL
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 512 1024 1536 2048 2560 3072 3584 4096
CODE
DNL ERROR (LSB)
ADCV
DD
= V
DRIVE
= 5V
TEMPERATURE = 25°C
07691-030
Figure 30. ADC Typical DNL