Datasheet

AD7194 Data Sheet
Rev. A | Page 12 of 56
TYPICAL PERFORMANCE CHARACTERISTICS
0
200
400 600
800
1000
SAMPLE
CODE
8,387,934
8,387,936
8,387,938
8,387,940
8,387,942
8,387,944
8,387,946
8,387,948
8,387,950
8,387,952
08566-006
Figure 6. Noise (V
REF
= AV
DD
= 5 V, Output Data Rate = 4.7 Hz,
Gain = 128, Chop Disabled, Sinc
4
Filter)
0
50
100
150
200
8,387,936
8,387,938
8,387,940
8,387,942
8,387,944
8,387,946
8,387,948
8,387,950
CODE
OCCURRENCE
08566-007
Figure 7. Noise Distribution Histogram (V
REF
= AV
DD
= 5 V,
Output Data Rate = 4.7 Hz, Gain = 128, Chop Disabled, Sinc
4
Filter)
8,388,830
8,388,840
8,388,850
8,388,860
8,388,870
8,388,880
8,388,890
8,388,900
8,388,910
8,388,920
0 200 400 600 800 1000
SAMPLE
CODE
08566-008
Figure 8. Noise (V
REF
= AV
DD
= 5 V, Output Data Rate = 2400 Hz,
Gain = 1, Chop Disabled, Sinc
4
Filter)
0
10
20
30
40
50
8,388,830
8,388,860
8,388,890
8,388,920
CODE
OCCURRENCE
08566-009
Figure 9. Noise Distribution Histogram (V
REF
= AV
DD
= 5 V,
Output Data Rate = 2400 Hz, Gain = 1, Chop Disabled, Sinc
4
Filter)
8,388,864
8,388,866
8,388,868
8,388,870
8,388,872
8,388,874
8,388,876
8,388,878
8,388,880
0 200
400
600
800
1000
SAMPLE
CODE
08566-010
Figure 10. Noise (V
REF
= AV
DD
= 5 V, Output Data Rate = 42.1 Hz (FS[9:0] = 6,
Average by 16), Gain = 1, Chop Disabled, Sinc
4
Filter)
0
50
100
150
200
8,388,864
8,388,868
8,388,872 8,388,876 8,388,880
CODE
OCCURRENCE
08566-011
Figure 11. Noise Distribution Histogram (V
REF
= AV
DD
= 5 V, Output Data Rate =
42.1 Hz (FS[9:0] = 6, Average by 16), Gain = 1, Chop Disabled, Sinc
4
Filter)