Datasheet

AD7781
Rev. 0 | Page 8 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
524,294
524,293
524,292
524,291
524,290
524,289
524,288
524,287
524,286
CODE
600
400
200
0
524,275 524,277 524,279 MORE
CODE
OCCURRENCE
08162-011
0 200 400 600 800 1000
SAMPLE
08162-008
Figure 8. C Grade Noise (V
REF
= AV
DD
, Update Rate = 16.7 Hz, Gain = 128)
500
400
300
200
100
0
OCCURRENCE
524,286 524,288 524,290 524,292 524,294
CODE
08162-009
Figure 9. C Grade Noise Distribution Histogram
(V
REF
= AV
DD
, Update Rate = 16.7 Hz, Gain = 128)
524,281
524,280
524,279
524,278
524,277
524,276
524,275
CODE
524,274
0 200 400 600 800 1000
SAMPLE
08162-010
Figure 10. C Grade Noise (V
REF
= AV
DD
, Update Rate = 10 Hz, Gain = 128)
Figure 11. C Grade Noise Distribution Histogram
(V
REF
= AV
DD
, Update Rate = 10 Hz, Gain = 128)
524,289
524,288
524,287
524,286
0 200 400 600 800 1000
SAMPLE
CODE
08162-012
Figure 12. Noise (V
REF
= AV
DD
, Update Rate = 16.7 Hz, Gain = 1)
505
500
495
524,287 524,288
CODE
OCCURRENCE
162-01308
Figure 13. Noise Distribution Histogram
(V
REF
= AV
DD
, Update Rate = 16.7 Hz, Gain = 1)