Datasheet

15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16
4.5 4.75 5 5.25 5.5
ENOB-EffectiveNumberOfBits-LSBs
+VA -SupplyVoltage-V
+VBD=2.7V,
V =4.096V,
f =500KSPS,
f =1.9kHz
T =30°C
ref
s
i
A
DNLMIN
DNLMAX
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-40 -25 -10 5 20 35 50 65 80
DNL -DifferentialNonlinearity-LSBs
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=2.7V,
V =5V,
f =500KSPS
ref
s
INLMIN
INLMAX
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-40 -25 -10 5 20 35 50 65 80
T -Free-AirTemperature-°C
A
INL -IntegralNonlinearity-LSBs
+VA =5V
+VBD=2.7V,
V =5V,
f =500KSPS
ref
s
4.5 4.75 5 5.25 5.5
SpuriousFreeDynamicRange-dB
114
115
116
117
118
119
120
121
122
+VBD=2.7V,
V =4.096V,
f =500KSPS,
f =1.9kHz
T =30°C
ref
s
i
A
+VA -SupplyVoltage-V
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16
2 2.5 3 3.5 4 4.5 5
ENOB-EffectiveNumberOfBits-LSBs
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
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16
-40 -25 -10 5 20 35 50 65 80
ENOB-EffectiveNumberOfBits-LSBs
T -Free-AirTemperature-°C
A
+VA =5V,
+VBD=2.7V,
V =5V,
f =500KSPS,
f =1.9kHz
ref
s
i
95
95.2
95.4
95.6
95.8
96
96.2
96.4
4.5 4.75 5 5.25 5.5
Signal-to-Noise+Distortion-dB
+VBD=2.7V,
V =4.096V,
f =500KSPS,
f =1.9kHz
T =30°C
ref
s
i
A
+VA -SupplyVoltage-V
95
95.2
95.4
95.6
95.8
96
96.2
96.4
4.5 4.75 5 5.25 5.5
Signal-to-NoiseRatio-dB
+VBD=2.7V,
V =4.096V,
f =500KSPS,
f =1.9kHz
T =30°C
ref
s
i
A
+VA -SupplyVoltage-V
4.5 4.75 5 5.25 5.5
TotalHarmonicDistortion-dB
114
115
116
117
118
119
120
121
122
+VBD=2.7V,
V =4.096V,
f =500KSPS,
f =1.9kHz
T =30°C
ref
s
i
A
+VA -SupplyVoltage-V
ADS8318
www.ti.com SLAS568A –MAY 2008–REVISED MARCH 2011
TYPICAL CHARACTERISTICS (continued)
DIFFERENTIAL NONLINEARITY INTEGRAL NONLINEARITY EFFECTIVE NUMBER OF BITS
vs vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE SUPPLY VOLTAGE
Figure 15. Figure 16. Figure 17.
EFFECTIVE NUMBER OF BITS EFFECTIVE NUMBER OF BITS SPURIOUS FREE DYNAMIC RANGE
vs vs vs
REFERENCE VOLTAGE FREE-AIR TEMPERATURE SUPPLY VOLTAGE
Figure 18. Figure 19. Figure 20.
SIGNAL-TO-NOISE + DISTORTION SIGNAL-TO-NOISE RATIO TOTAL HARMONIC DISTORTION
vs vs vs
SUPPLY VOLTAGE SUPPLY VOLTAGE SUPPLY VOLTAGE
Figure 21. Figure 22. Figure 23.
Copyright © 2008–2011, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Link(s): ADS8318