ADS8481 Datasheet, PDF (13/31 Pages) Burr-Brown (TI) – 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE

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ADS8481
SLAS385A – FEBRUARY 2006 – REVISED MARCH 2006
TYPICAL CHARACTERISTICS (continued)
DNL
1.5
+VA = 5 V, +VBD = 5 V, T_A = 25°C, f_i = 1 MSPS, V_ref = 4.096 V
1
0.5
0
-0.5
-1
-1.5
0
65536
131072
Output Code
Figure 28.
196608
262144
INL
3.5
+VA = 5 V, +VBD = 5 V, T_A = 25°C, f_i = 1 MSPS, V_ref = 4.096 V
2.5
1.5
0.5
0
-0.5
-1.5
-2.5
-3.5
0
65536
131072
Output Code
Figure 29.
196608
262144
0
-25
-50
-75
-100
-125
-150
-175
-200
-225
0
FFT
+VA = 5 V, +VBD = 5 V,
T_A = 25°C, f_s = 1 MSPS,
V_ref = 4.096 V, f_i = 100 kHz,
32768 Points
100
200
300
400
500
f - Frequency - kHz
Figure 30.
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