Datasheet

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TYPICAL CHARACTERISTICS
85.2
85.4
85.6
85.8
86
86.2
86.4
86.6
86.8
−40 −20 0 20 40 60 80
SNR − Signal-to-Noise Ratio − dB
T
A
− Free-Air Temperature − °C
f
i
= 100 kHz,
+VA = 5 V,
+VBD = 3.3 V,
T
A
= 25°C,
Internal
Reference
0
10000
20000
30000
40000
50000
60000
70000
+VA = 5 V,
+VBD = 3.3 V
Code = 65235
65230 65239 65235
13.25
13.3
13.35
13.4
13.45
13.5
13.55
13.6
−40 −20 0 20 40 60 80
ENOB − Effective Number of Bits − Bits
T
A
− Free-Air Temperature − °C
f
i
= 100 kHz,
+VA = 5 V,
+VBD = 3.3 V,
T
A
= 25°C,
Internal
Reference
81.6
81.8
82
82.2
82.4
82.6
82.8
83
83.2
83.4
83.6
83.8
−40 −20 0 20 40 60 80
SINAD − Signal-to-Nois and Distortion − dB
T
A
− Free-Air Temperature − °C
f
i
= 100 kHz,
+VA = 5 V,
+VBD = 3.3 V,
T
A
= 25°C,
Internal
Reference
ADS8411
SLAS369B – APRIL 2002 – REVISED DECEMBER 2004
At –40 ° C to 85 ° C, +VA = 5 V, +VBD = 5 V, REFIN = 4.096 V (internal reference used) and f
sample
= 2 MHz
(unless otherwise noted)
HISTOGRAM (DC CODE SPREAD) SIGNAL-TO-NOISE RATIO
vs vs
FULL SCALE 131071 CONVERSIONS FREE-AIR TEMPERATURE
Figure 6. Figure 7.
SIGNAL-TO-NOISE AND DISTORTION EFFECTIVE NUMBER OF BITS
vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 8. Figure 9.
13