ADS7891 Datasheet, PDF (17/31 Pages) Burr-Brown (TI) – 14BIT 3 MSPS LOW POWER SAR ANALOG TO DIGITAL CONVERTER

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POWER DISSIPATION
vs
FREE-AIR TEMPERATURE
90
Sample Rate = 3 MSPS,
89 +VA = 5 V,
+VBD = 5 V,
88 _{Vref = 2.5 V}
87
86
85
84
83
82
81
80
−40 −20
0
20
40
60
80
TA − Free-Air Temperature − °C
Figure 29
INTEGRAL NONLINEARITY
vs
FREE-AIR TEMPERATURE
1
0.75
Max
0.5
Sample Rate = 3 MSPS,
0.25 _{+VA = 5 V,}
+VBD = 5 V,
0 ^{Vref = 2.5 V}
−0.25
−0.5
Min
−0.75
−1
−40 −20 0
20
40
60
80
TA − Free-Air Temperature − °C
Figure 31
ADS7891
SLAS410 − DECEMBER 2003
DIFFERENTIAL NONLINEARITY
vs
FREE-AIR TEMPERATURE
1
0.75
Max
0.5
0.25
0
−0.25
Sample Rate = 3 MSPS,
+VA = 5 V,
+VBD = 5 V,
Vref = 2.5 V
−0.5
−0.75
Min
−1
−40 −20
0
20
40
60
80
TA − Free-Air Temperature − °C
Figure 30
2.505
2.5045
INTERNAL REFERENCE OUTPUT
vs
FREE-AIR TEMPERATURE
+VA = 5 V,
+VBD = 5 V
2.504
2.5035
2.503
2.5025
2.502
2.5015
2.501
2.5005
2.5
−40 −20 0
20
40
60
80
TA − Free-Air Temperature − °C
Figure 32
17