ADS1208
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SBAS348A–MARCH 2005–REVISED MARCH 2005
TYPICAL CHARACTERISTICS (continued)
At 25°C, AVDD = BVDD = +5V, VREF = internal +2.5V, Mode 3, MCLK input = 20MHz, differential input voltage = 200mVPP
common-mode voltage = 1.4V, and 16-bit Sinc3 filter with OSR = 256, unless otherwise noted.
,
SPURIOUS-FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION vs
FREQUENCY (Mode 1)
SPURIOUS-FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION vs
TEMPERATURE (Mode 3)
−
−
−
−
−
−
−
−
−
−
−
−
105
100
95
105
100
95
105
100
95
105
100
95
SFDR
THD
90
90
90
90
SFDR
THD
85
85
85
85
80
80
80
80
−
−
20
−
−
40
0
+20
+40
+60
+80
40
20
0
+20
+40
+60
+80
_
Temperature ( C)
_
Temperature ( C)
Figure 16.
Figure 17.
SPURIOUS-FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION vs
FREQUENCY (Mode 1)
SPURIOUS-FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION vs
TEMPERATURE (Mode 3)
−
−
−
−
−
−
−
−
−
−
−
−
105
100
95
105
100
95
105
100
95
105
100
95
SFDR
SFDR
THD
90
90
90
90
THD
85
85
85
85
80
80
80
80
0
5
10
15
20
0
5
10
15
20
fSIG (kHz)
fSIG (kHz)
Figure 18.
Figure 19.
11
BB [ BURR-BROWN CORPORATION ]
