Datasheet

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−101
−100
−99
−98
−97
−96
−95
−94
−93
−92
−91
0 10 20 30 40 50 60 70 80 90 100
f
i
− Input Frequency − kHz
THD − Total Harmonic Distortion − dB
f
i
= 50 kHz,
Full Scale Input,
+VA = 5 V,
+VBD = 3 V,
Int Ref = 4.096 V
I
CC
− Supply Current − mA
Sample Rate − KSPS
25
25.5
26
26.5
27
27.5
28
28.5
29
250 500 750 1000 1250
+VA = 5 V,
+VBD = 3.3 V,
T
A
= 25°C,
Int Ref = 4.096 V
0
0.05
0.1
0.15
0.2
0.25
0.3
4.75 5 5.25
Offset Voltage − mV
V
CC
− Supply Voltage − V
+VBD = 3.3 V,
T
A
= 25°C,
Ext Ref = 4.096 V
Gain Error − mV
V
CC
− Supply Voltage − V
−0.15
−0.1
−0.05
0
0.05
0.1
0.15
4.75 5 5.25
+VBD = 3.3 V,
T
A
= 25°C,
Ext Ref = 4.096 V
Gain Error − mV
T
A
− Free-Air Temperature − C
−0.5
−0.4
−0.3
−0.2
−0.1
0
0.1
0.2
0.3
0.4
0.5
−40 −25 −10 5 20 35 50 65 80
+VA = 5 V,
+VBD = 3.3 V,
Ext Ref = 4.096 V
+VA = 5 V
+VBD = 3.3 V
T
A
− Free-Air Temperature − C
Internal Reference Output Voltage − V
4.082
4.083
4.084
4.085
4.086
4.087
4.088
4.089
4.090
4.091
4.092
4.093
−40 −25 −10 5 20 35 50 65 80
ADS8405
SLAS427 – DECEMBER 2004
TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION SUPPLY CURRENT
vs vs
INPUT FREQUENCY SAMPLE RATE
Figure 16. Figure 17.
GAIN ERROR OFFSET ERROR
vs vs
SUPPLY VOLTAGE SUPPLY VOLTAGE
Figure 18. Figure 19.
INTERNAL VOLTAGE REFERENCE GAIN ERROR
vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 20. Figure 21.
15