Datasheet

AD7276/AD7277/AD7278
Rev. C | Page 14 of 28
04903-015
INPUT FREQUENCY (kHz)
THD (dB)
100
–90
–
50
15001000
–55
–60
–65
–70
–75
–80
–85
R
IN
=0Ω
R
IN
=10Ω
R
IN
= 100Ω
Figure 16. THD vs. Analog Input Frequency at 3 MSPS for Various Source
Impedances, SCLK Frequency = 48 MHz, Supply Voltage = 3 V
04903-011
CODE
INL ERROR (LSB)
0
–1.0
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
4000350030002500200015001000500
V
DD
=3V
Figure 17. AD7276 INL Performance
04903-014
CODE
DNL ERROR (LSB)
0
–1.0
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
4000350030002500200015001000500
V
DD
=3V
Figure 18. AD7276 DNL Performance