Datasheet

AD7686
Rev. B | Page 10 of 28
02969-013
REFERENCE VOLTAGE (V)
5.52.3 2.7 3.5 4.3 5.13.1 3.9 4.7
SNR, SINAD (dB)
100
95
85
90
70
SNR
ENOB
ENOB (Bits)
17.0
15.0
16.0
14.0
13.0
SINAD
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
02969-014
TEMPERATURE (°C)
125–55–35–155 25456585105
SNR (dB)
100
95
90
85
80
VREF = 5V
Figure 14. SNR vs. Temperature
02969-015
FREQUENCY (kHz)
2000 50 100 150
SINAD (dB)
100
95
85
90
80
75
70
VREF = 5V, –10dB
VREF = 5V, –1dB
Figure 15. SINAD vs. Frequency
02969-016
REFERENCE VOLTAGE (V)
5.52.3 2.7 3.5 4.3 5.13.1 3.9 4.7
THD, SFDR (dB)
–
90
–95
–100
–105
–110
–115
–120
–125
–130
THD
SFDR
Figure 16. THD, SFDR vs. Reference Voltage
02969-017
TEMPERATURE (°C)
125–55–35–155 25456585105
THD (dB)
–
90
–100
–110
–120
–130
VREF = 5V
Figure 17. THD vs. Temperature
02969-018
FREQUENCY (kHz)
2000 50 100 150
THD (dB)
–
60
–70
–90
–80
–100
–110
–120
VREF = 5V, –10dB
VREF = 5V, –1dB
Figure 18. THD vs. Frequency