Datasheet

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TYPICAL CHARACTERISTICS
-105
-100
-95
-90
-85
-80
-75
-40 -20 0 20 40 60 80
T -Free-AirTemperature- C
A
º
THD-T
otalHarmonicDistortion-dB
f =250KSPS
f =20kHz
s
i
80
85
90
95
100
105
110
-40 -20 0 20 40 60 80
T -Free-AirTemperature- C
A
º
SFDR-SpuriousFreeDynamicRange-dB
f =250KSPS,
f =20kHz
s
i
70
75
80
85
90
95
100
-40 -20 0 20 40 60 80
T -Free-AirTemperature- C
A
º
SNR-Signal-to-NoiseRatio-dB
f =250KSPS
f =20kHz
s
i
70
75
80
85
90
95
100
-40 -20 0 20 40 60 80
T -Free-AirTemperature- C
A
º
SINAD-Signal-to-NoiseandDistortion-dB
f =250KSPS
f =20kHz
s
I
70
75
80
85
90
95
100
1 10 100
125
f -InputFrequency-kHz
i
SNR-Signal-to-NoiseRatio-dB
60
65
70
75
80
85
90
95
100
105
1 10 100 125
f -InputFrequency-kHz
i
SINAD-Signal-to-NoiseandDistortion-dB
2.490
2.492
2.494
2.496
2.498
2.500
2.502
2.504
2.506
2.508
2.510
−40 −20 0 20 40 60 80
Internal Reference Voltage − V
T
A
− Free-Air Temperature − 5C
60
70
80
90
100
110
120
1 10 100 125
f -InputFrequency-kHz
i
THD-TotalHarmonicDistortion-dB
75
85
95
105
115
1 10 100
125
f -InputFrequency-kHz
i
SFDR-SpuriousFreeDynamicRange-dB
80
90
110
100
120
ADS8505
SLAS180B – SEPTEMBER 2005 – REVISED JUNE 2007
SPURIOUS FREE DYNAMIC RANGE TOTAL HARMONIC DISTORTION SIGNAL-TO-NOISE RATIO
vs vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 1. Figure 2. Figure 3.
SIGNAL-TO-NOISE SIGNAL-TO-NOISE
AND DISTORTION SIGNAL-TO-NOISE RATIO AND DISTORTION
vs vs vs
FREE-AIR TEMPERATURE INPUT FREQUENCY INPUT FREQUENCY
Figure 4. Figure 5. Figure 6.
SPURIOUS FREE DYNAMIC RANGE TOTAL HARMONIC DISTORTION INTERNAL REFERENCE VOLTAGE
vs vs vs
INPUT FREQUENCY INPUT FREQUENCY FREE-AIR TEMPERATURE
Figure 7. Figure 8. Figure 9.
6
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