Datasheet

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93
94
95
96
97
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
1
10 100
95
100
105
110
115
120
125
1 10 100
f
i
− Input Frequency − kHz
SFDR − Spurious Free Dynamic Range − dB
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V,
T
A
= 25°C
−120
−115
−110
−105
−100
−95
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
THD − Total Harmonic Distortion − dB
1
10 100
0
1000
2000
3000
4000
5000
6000
−10 −9 −8−7 −6 −5 −4 −3 −2 −1 0 1 2 3 4 5 6 7 8 9 10 11 12
Hits
2’s Complement Code in Decimal
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
5601
5200
3786
2460
1383
874
151
19
301
40 6
0
1000
2000
3000
4000
5000
6000
130079 130080 130081 130082 130083 130084 130085 130086 130087 130088 130089 130090 130091 130092 130093 130094 130095 130096 130097 130098 130099 130100
Hits
2’s Complement Code in Decimal
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
50985067
3979
1521
472
51
6
1
2582
987 211
23
2
ADS8382
SLAS416B – JUNE 2004 – REVISED NOVEMBER 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
APPROXIMATELY 20000 CONVERSIONS APPROXIMATELY 20000 CONVERSIONS
WITH A DC INPUT AT MIDSCALE (0 V) WITH A DC INPUT CLOSE TO FULL SCALE (4 V)
Figure 16. Figure 17.
10