Datasheet

AD7983
Rev. A | Page 9 of 24
–
110
–120
–55 125
06974-038
TEMPERATURE (°C)
THD (dB)
–35 –15 5 25 45 65 85 105
–112
–114
–116
–118
Figure 12. THD vs. Temperature
–
105
–130
2.5 5.5
REFERENCE VOLTAGE (V)
THD (dB)
SFDR (dB)
0
6974-033
–110
–115
–120
–125
130
105
125
120
115
110
3.0 3.5 4.0 4.5 5.0
SFDR
THD
Figure 13. THD, SFDR vs. Reference Voltage
100
65
1000
06974-034
FREQUENCY (kHz)
SINAD (dB)
110100
95
90
85
80
75
70
Figure 14. SINAD vs. Frequency
95
85
–55 125
06974-035
TEMPERATURE (°C)
SNR (dB)
93
91
89
87
–35 –15 5 25 45 65 85 105
Figure 15. SNR vs. Temperature
100
80
2.5 5.5
REFERENCE VOLTAGE (V)
SNR, SINAD (dB)
95
90
85
16
12
ENOB (Bits)
15
14
13
3.0 3.5 4.0 4.5 5.0
0
6974-031
SNR
SINAD
ENOB
Figure 16. SNR, SINAD, and ENOB vs. Reference Voltage
–
70
–120
1000
06974-037
FREQUENCY (kHz)
THD (dB)
110100
–75
–80
–85
–90
–95
–100
–105
–110
–115
Figure 17. THD vs. Frequency