Datasheet

AD9225
–7–
A
IN
(dB)
–40
–35
–30 –25 –20 –15 –10 –5 0
90
30
SNR AND SFDR (dBFS)
60
50
40
70
80
SNR INT 2V REF
SFDR INT 2V REF
TPC 7. SNR/SFDR vs. A
IN
(Input Amplitude)
(f
IN
= 12.5 MHz, Input Span = 4.0 V p-p, V
CM
= 2.5 V
Differential Input)
FREQUENCY (MHz)
–65
–70
–90
1
THD (dB)
10
–75
–80
–85
0.5dB 2V INT REF
20.0dB 2V INT REF
6.0dB 2V INT REF
TPC 8. THD vs. Input Frequency (Input Span =
4.0 V p-p, V
CM
= 2.5 V Single-Ended Input)
B
IN
N – 1 N
H
ITS
N + 1
3299
246447
4206
TPC 9. Grounded-Input Histogram (Input Span =
40 V p-p)
–70
–75
–90
THD (dB)
10
–80
–85
INT 1V REF
INT 2V REF
FREQUENCY (MHz)
TPC 10. THD vs. Sample Rate, (A
IN
= –0.5 dB,
V
CM
= 2.5 V, Input Span = 4.0 V p-p Differential Input)
FREQUENCY (MHz)
75
70
50
1
SNR (dB)
10
65
60
55
20.0dB 2V INT REF
6.0dB 2V INT REF
0.5dB 2V INT REF
TPC 11. SNR vs. Input Frequency (Input Span =
4.0 V p-p, V
CM
= 2.5 V Single-Ended Input)
Rev. C