Datasheet

Data Sheet AD7699
Rev. | Page 9 of 28
100
95
90
85
80
75
70
65
60
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
SNR (dB)
V
REF
= 5V
–0.5dB
–10dB
07354-011
Figure 11. SNR vs. Frequency
–
60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
THD (dB)
07354-012
V
REF
= 5V
–10dB
–0.5dB
Figure 12. THD vs. Frequency
96
94
92
90
88
86
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
SNR, SINAD (dB)
f
IN
= 20kHz
SNR, V
REF
= 5V
SINAD, V
REF
= 5V
SNR, V
REF
= 4.096V
SINAD, V
REF
= 4.096V
0
7354-013
Figure 13. SNR, SINAD vs.Temperature
100
95
90
85
80
75
70
65
60
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
SINAD (dB)
V
REF
= 5V
–10dB
–0.5dB
07354-014
Figure 14. SINAD vs. Frequency
16
15
14
13
12
11
10
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
ENOB (Bits)
V
REF
= 5V
0
7354-015
–10dB
–0.5dB
Figure 15. ENOB vs. Frequency
–
80
–85
–90
–95
–100
115
110
105
100
95
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
THD (dB)
SFDR (dB)
07354-017
SFDR, V
REF
= 5V
SFDR,
V
REF
= 4.096V
THD, V
REF
= 5V THD, V
REF
= 4.096V
f
IN
= 20kHz
Figure 16. THD, SFDR vs. Temperature
B