Datasheet

2 2.5 3 3.5 4 4.5 5
114
115
116
117
118
119
120
121
122
123
124
SpuriousFreeDynamicRange-dB
V -ReferenceVoltage-V
ref
+VA =5V
+VBD=2.7V,
f =500KSPS,
f =1.9kHz,
T =30°C
s
i
A
93.5
94
94.5
95
95.5
96
96.5
2 2.5 3 3.5 4 4.5 5
Signal-to-Noise+Distortion-dB
V -ReferenceVoltage-V
ref
+VA =5V
+VBD=2.7V,
f =500KSPS,
f =1.9kHz,
T =30°C
s
i
A
93.5
94
94.5
95
95.5
96
96.5
2 2.5 3 3.5 4 4.5 5
Signal-to-NoiseRatio-dB
V -ReferenceVoltage-V
ref
+VA =5V
+VBD=2.7V,
f =500KSPS,
f =1.9kHz,
T =30°C
s
i
A
-40 -25 -10 5 20 35 50 65 80
T -Free-AirTemperature-°C
A
113.5
114
114.5
115
115.5
116
116.5
117
117.5
118
SpuriousFreeDynamicRange-dB
+VA =5V,
+VBD=2.7V,
V =5V,
f =500KSPS,
f =1.9kHz
ref
s
i
95.5
95.6
95.7
95.8
95.9
96
96.1
96.2
96.3
96.4
96.5
-40 -25 -10 5 20 35 50 65 80
T -Free-AirTemperature-°C
A
Signal-to-Noise+Distortion-dB
+VA =5V,
+VBD=2.7V,
V =5V,
f =500KSPS,
f =1.9kHz
ref
s
i
2 2.5 3 3.5 4 4.5 5
114
115
116
117
118
119
120
121
122
123
124
TotalHarmonicDistortion-dB
V -ReferenceVoltage-V
ref
+VA =5V
+VBD=2.7V,
f =500KSPS,
f =1.9kHz,
T =30°C
s
i
A
THD@-10dB
THD@-0.5dB
80
85
90
95
100
105
110
115
120
1 10 100
f -Inputfrequency-kHz
i
THD-TotalHarmonicDistortion-dB
+VA =5V
+VBD=2.7V,
V =5V,
f =500KSPS,
T =30°C
ref
s
A
SNR
95.5
95.6
95.7
95.8
95.9
96
96.1
96.2
96.3
96.4
96.5
-40 -25 -10 5 20 35 50 65 80
T -Free-AirTemperature-°C
A
Signal-to-NoiseRatio-dB
+VA =5V,
+VBD=2.7V,
V =5V,
f =500KSPS,
f =1.9kHz
ref
s
i
-40 -25 -10 5 20 35 50 65 80
T -Free-AirTemperature-°C
A
113.5
114
114.5
115
115.5
116
116.5
117
117.5
118
TotalHarmonicDistortion-dB
+VA =5V,
+VBD=2.7V,
V =5V,
f =500KSPS,
f =1.9kHz
ref
s
i
ADS8318
SLAS568A –MAY 2008– REVISED MARCH 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
SPURIOUS FREE DYNAMIC RANGE SIGNAL-TO-NOISE + DISTORTION SIGNAL-TO-NOISE RATIO
vs vs vs
REFERENCE VOLTAGE REFERENCE VOLTAGE REFERENCE VOLTAGE
Figure 24. Figure 25. Figure 26.
TOTAL HARMONIC DISTORTION SPURIOUS FREE DYNAMIC RANGE SIGNAL-TO-NOISE + DISTORTION
vs vs vs
REFERENCE VOLTAGE FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 27. Figure 28. Figure 29.
SIGNAL-TO-NOISE RATIO TOTAL HARMONIC DISTORTION TOTAL HARMONIC DISTORTION
vs vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE INPUT FREQUENCY
Figure 30. Figure 31. Figure 32.
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