Datasheet

AD7796/AD7797
Rev. A | Page 10 of 24
SAMPLES
(µV)
TYPICAL PERFORMANCE CHARACTERISTICS
60
–40
01
000
2.0
–2.0
01000
SAMPLES
(µV)
40
20
0
–20
100 200 300 400 500 600 700 800 900
06083-006
Figure 6. AD7797 Noise (V
REF = AVDD, Update Rate = 16.7 Hz)
17.5
0
8388485 8388744
CODE
OCCURRENCE
15.0
12.5
10.0
7.5
5.0
2.5
8388550 8388600 8388650 8388700
06083-007
Figure 7. AD7797 Noise Distribution Histogram
(V
REF = AVDD, Update Rate = 16.7 Hz)
100 200 300 400 500 600 700 800 900
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
06083-008
Figure 8. AD7797 Noise (V
REF = AVDD, Update Rate = 4.17 Hz)
35
0
8388553 8388662
CODE
OCCURRENCE
8388580 8388600 8388620 8388640
30
25
20
15
10
5
06083-009
Figure 9. AD7797 Noise Distribution Histogram
(V
REF = AVDD, Update Rate = 4.17 Hz)