Datasheet

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f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
SNR − Signal-to-Noise Ratio − dB
88
88.5
89
89.5
90
90.5
91
91.5
92
1
10 100
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
SFDR − Spurious Free Dynamic Range − dB
0
20
40
60
80
100
120
140
1 10 100
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
THD − Total Harmonic Distortion − dB
−120
−115
−110
−105
−100
−95
1 10 100
0
2000
4000
6000
8000
10000
12000
131061
131063
131065
131067
131069
131071
131073
131075
131077
131079
131081
131083
Hits
Straight Binary Code in Decimal
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
0
2000
4000
6000
8000
10000
12000
14000
16000
18000
261090
261092
261094
261096
261098
261100
261102
261104
261106
261108
261110
261112
261114
Hits
Straight Binary Code in Decimal
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
ADS8380
SLAS387A – NOVEMBER 2004 – REVISED DECEMBER 2004
TYPICAL CHARACTERISTICS (continued)
SIGNAL-TO-NOISE RATIO SPURIOUS FREE DYNAMIC RANGE
vs vs
INPUT FREQUENCY INPUT FREQUENCY
Figure 13. Figure 14.
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
Figure 15.
HISTOGRAM HISTOGRAM
65536 CONVERSIONS 100000 CONVERSIONS
WITH A DC INPUT AT MIDSCALE (0 V) WITH A DC INPUT CLOSE TO FULL SCALE (4 V)
Figure 16. Figure 17.
10
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