Datasheet

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T
A
− Free-Air Temperature − °C
f
i
= 1 kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
SNR − Signal-to-Noise Ratio − dB
90.6
90.8
91
91.2
91.4
91.6
91.8
92
−40 −25 −10 5 20 35 50 65 80
T
A
− Free-Air Temperature − °C
f
i
= 1 kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
SINAD − Signal-To-Noise and Distortion − dB
90.6
90.8
91
91.2
91.4
91.6
91.8
92
−40 −25 −10 5 20 35 50 65 80
T
A
− Free-Air Temperature − °C
f
i
= 1 kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
THD − Total Harmonic Distortion − dB
−116
−114
−112
−110
−108
−106
−40 −25 −10 5 20 35 50 65 80
f
i
= 1 kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
− Free-Air Temperature − °C
f
i
= 1 kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
SFDR − Spurious Free Dynamic Range − dB
106
108
110
112
114
116
118
120
122
−40 −25 −10 5 20 35 50 65 80
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
ENOB − Effective Number of Bits − Bits
13
13.5
14
14.5
15
1 10 100
f
i
− Input Frequency − kHz
+VA = 5 V,
+VBD = 5 V,
REFIN = 4.096 V
T
A
= 25°C
SINAD − Signal-To-Noise and Distortion − dB
85
86
87
88
89
90
91
92
1 10 100
ADS8380
SLAS387A – NOVEMBER 2004 – REVISED DECEMBER 2004
TYPICAL CHARACTERISTICS (continued)
SIGNAL-TO-NOISE
SIGNAL-TO-NOISE RATIO AND DISTORTION
vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 7. Figure 8.
SPURIOUS FREE DYNAMIC RANGE TOTAL HARMONIC DISTORTION
vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 9. Figure 10.
SIGNAL-TO-NOISE
EFFECTIVE NUMBER OF BITS AND DISTORTION
vs vs
INPUT FREQUENCY INPUT FREQUENCY
Figure 11. Figure 12.
9
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