Datasheet

AD7991/AD7995/AD7999
Rev. B | Page 15 of 28
06461-032
3
0
0
SCL FREQUENCY (kHz)
POWER (mW)
500 1000 1500
2
1
V
DD
= 5V
V
DD
= 3V
–120
–100
–80
–60
–40
–20
0
0 5 10 15 20 25 30 35 40 45
SINAD (dB)
FREQUENCY (kHz)
0
6461-019
16384 POINT FFT
f
S
= 95kSPS
f
SCL
= 1.71MHz
f
IN
= 10.13kHz
SNR = 71.77dB
SINAD = 71.45dB
THD = –82.43dB
SFDR = –95.02dB
Figure 16. Dynamic Performance, f
SCL
= 1.71 MHz
Without Clock Stretching, V
DD
= 5 V, Full-Scale Input,
Seven-Term Blackman-Harris Window
Figure 17. Power vs. SCL Frequency, V
REF
= 2.5 V