Datasheet

AD9481
Rev. 0 | Page 12 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD, DRVDD = 3.3 V, T = 25°C, A
IN
differential drive, FS = 1, internal reference mode, unless otherwise noted.
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0408020 60 100 120
05045-004
(MHz)
(dB)
SNR = 45.8dB
H2 = –65.2dBc
H3 = –63.2dBc
SFDR = 63.2dBc
Figure 4. FFT: f
S
= 250 MSPS, A
IN
= 10.3 MHz @ −1 dBFS
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0408020 60 100 120
05045-005
(MHz)
(dB)
SNR = 45.8dB
H2 = –68.5dBc
H3 = –63.5dBc
SFDR = 63.8dBc
Figure 5. FFT: f
S
= 250 MSPS, A
IN
= 70 MHz @ −1 dBFS
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0408020 60 100 120
05045-006
(MHz)
(dB)
SNR = 45.9dB
H2 = –66.6dBc
H3 = –70.1dBc
SFDR = 65.9dBc
Figure 6. FFT: f
S
= 250 MSPS, A
IN
= 70 MHz @ −1 dBFS, Single-Ended Input
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0408020 60 100 120
05045-007
(MHz)
(dB)
SNR = 45.6dB
H2 = –72.9dBc
H3 = –65.2dBc
SFDR = 59.6dBc
Figure 7. FFT: f
S
= 250 MSPS, A
IN
= 170 MHz @ −1 dBFS
90
85
80
75
70
65
60
55
50
45
40
0 40035030025020015010050
05045-008
A
IN
(MHz)
(dB)
H3
SFDR
SNR
SINAD
H2
Figure 8. Analog Input Frequency Sweep,
A
IN
= −1 dBFS, FS = 1 V, f
S
= 250 MSPS
90
85
80
75
70
65
60
55
50
45
40
0 40035030025020015010050
05045-009
A
IN
(MHz)
(dB)
H3
SNR
SINAD
H2
SFDR
Figure 9. Analog Input Frequency Sweep,
A
IN
=−1 dBFS, FS = 0.75 V, f
S
= 250 MSPS, External VREF Mode