Texas Instruments ADS867 Series Manual page 12

ADS8674, ADS8678
SBAS627 – JULY 2015
Typical Characteristics (continued)
At T = 25°C, AVDD = 5 V, DVDD = 3 V, internal reference V
A
8000
6000
4000
2000
0
8187 8188 8189 8190 8191 8192 8193 8194 8195
Mean = 8192.5, sigma = 0.34, input = 0 V,
range = ±0.625 × V
Figure 8. DC Histogram for Mid-Scale Inputs (±0.625 × V
10000
8000
6000
4000
2000
0
8187 8189
Mean = 8192.5, sigma = 0.34, input = 0.625 × V
range = 1.25 × V
Figure 10. DC Histogram for Mid-Scale Inputs
6000
5000
4000
3000
2000
1000
0
8189 8190 8191
Mean = 8192.5, sigma = 0.72, input = 0 V,
range = ±0.15625 × V
Figure 12. DC Histogram for Mid-Scale Inputs
(±0.15625 x V
12 Submit Documentation Feedback
Output Codes
REF
8191 8193 8195
Output Codes
,
REF
REF
(1.25 × V )
REF
8192 8193 8194 8195 8196
Output Codes
REF
)
REF
Product Folder Links:
= 4.096 V, and f
REF SAMPLE
10000
8000
6000
4000
2000
0
8188 8189 8190 8191 8192 8193 8194 8195 8196
C009
Mean = 8192.5, sigma = 0.32, input = 1.25 × V
) Figure 9. DC Histogram for Mid-Scale Inputs (2.5 × V
REF
6000
5000
4000
3000
2000
1000
0
8190
C011
Mean = 8192.5, sigma = 0.43, input = 0 V,
range = ±0.3125 × V
Figure 11. DC Histogram for Mid-Scale Inputs
6000
5000
4000
3000
2000
1000
0
8190
C013
Mean = 8192.5, sigma = 0.72, input = 0.3125 × V
Figure 13. DC Histogram for Mid-Scale Inputs
ADS8674 ADS8678
= 500 kSPS, unless otherwise noted.
Output Codes
range = 2.5 × V
REF
8191 8192 8193 8194
Output Codes
REF
(±0.3125 x V )
REF
8191 8192 8193 8194
Output Codes
range = 0.625 × V
REF
(0.625 x V )
REF
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C010
,
REF
)
REF
8195
C012
8195
C014
,
REF