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ManualsBrandsTEXAS INSTRUMENTS ManualsData collecting ICsData acquisition IC - AD converter (ADC) External , Internal VQFN 48
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-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.1
4.75 4.85 4.95 5.05 5.15 5.25
SupplyVoltage-V
OffsetError-mV
T =25 C,
f =1.25MSPS,
V =4.096V
A
i
ref
°
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
3 3.2 3.4 3.6 3.8 4 4.2
ReferenceVoltage-V
OffsetError-mV
V =5V,
T =25 C,
f =1.25MSPS
DD
A
i
°
-0.08
-0.07
-0.06
-0.05
-0.04
-0.03
-0.02
-0.01
4.75 4.85 4.95 5.05 5.15 5.25
SupplyVoltage-V
GainError-%FS
T =25 C,
f =1.25MSPS,
V =4.096V
A
i
ref
°
-0.07
-0.065
-0.06
-0.055
-0.05
-0.045
-0.04
-0.035
-0.03
-0.025
-0.02
-40 -25 -10 5 20 35 50 65 80
T -Free-AirTemperature- C
A
°
+VA =5V,
+VBD=5V,
f =1.25MSPS,
V =4.096V
i
ref
GainError-%FS
1
9
8
7
4
6
0
1
2
3
4
5
6
7
8
9
10
0.03 0.19
0.35 0.50
0.66
0.90
GainErrorDrift-ppm/ C°
Frequency
+VA =5V,
+VBD=5V,
f =1.25MSPS,
V =4.096V
i
ref
0
3
13
11
4 4
0
2
4
6
8
10
12
14
0.01 0.03 0.04 0.05 0.07 0.08
OffsetDrift-ppm/ C°
Frequency
+VA =5V,
+VBD=5V,
f =1.25MSPS,
V =4.096V
i
ref
-123
-122
-121
-120
-119
3 3.4 4
V -ReferenceVoltage-V
ref
THD-dB
3.2 3.6 3.8 4.2
+VA =5V,
+VBD=5V,
f =1.25MSPS,
T =25 C,
f =2kHz
s
A
i
°
ADS8484
SLAS511 – NOVEMBER 2007
TYPICAL CHARACTERISTICS (continued)
OFFSET ERROR OFFSET ERROR OFFSET ERROR
vs vs vs
FREE-AIR TEMPERATURE SUPPLY VOLTAGE REFERENCE VOLTAGE
Figure 13. Figure 14. Figure 15.
GAIN ERROR GAIN ERROR GAIN ERROR
vs vs vs
SUPPLY VOLTAGE FREE-AIR TEMPERATURE REFERENCE VOLTAGE
Figure 16. Figure 17. Figure 18.
TOTAL HARMONIC DISTORTION
OFFSET ERROR TEMPERATURE GAIN ERROR TEMPERATURE vs
DRIFT DISTRIBUTION (35 Samples) DRIFT DISTRIBUTION (35 Samples) REFERENCE VOLTAGE
Figure 19. Figure 20. Figure 21.
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