Datasheet

AD7683
Rev. A | Page 10 of 16
100
95
90
85
80
17
16
15
14
13
2.0 5.55.04.54.03.53.02.5
04301-013
REFERENCE VOLTAGE (V)
SNR, SINAD (dB)
ENOB (Bits)
SNR
SINAD
ENOB
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
100
95
90
85
80
75
70
0 20015010050
04301-014
FREQUENCY (kHz)
SINAD (dB)
V
REF
= 5V, –10dB
V
REF
= 5V, –1dB
V
REF
= 2.5V, –1dB
Figure 14. SINAD vs. Frequency
–
80
–85
–90
–95
–100
–105
–110
0 200120 1608040
04301-015
FREQUENCY (kHz)
THD (dB)
V
REF
2.5V = –1dB
V
REF
5V = –1dB
Figure 15. THD vs. Frequency
1200
1000
800
600
400
200
0
2.0 5.55.04.54.03.53.02.5
04301-017
SUPPLY (V)
OPERATING CURRENT (µA)
f
S
= 100kSPS
Figure 16. Operating Current vs. Supply