Datasheet

Full-ScaleRange(V)
-80
-105
0 51 2 3 4
3V
5V
THD(dB)
-85
-90
-95
-100
f =10kHz
IN
Full-ScaleRange(V)
SFDR(dB)
110
105
100
95
90
0 51 2 3 4
5V
3V
f =10kHz
IN
-90
-100
-85
-105
-95
Temperature( C)°
THD(dB)
-15-40
5V
3V
8510 35 60
Temperature( C)°
SFDR(dB)
-15
105
100
95
90
85
-40
3V
5V
8510 35 60
Temperature(°C)
SNR(dB)
-15
85
84
83
82
-40 8510 35 60
5V
3V
Temperature( C)°
SINAD(dB)
-15
85
84
83
82
-40
5V
8510 35 60
3V
ADS7279
ADS7280
SBAS436A – MAY 2008 – REVISED JUNE 2009 ............................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
At – 40 ° C to +85 ° C, V
REF
[(REF+) – (REF – )] = 5V when +VA = +VBD = 5V or V
REF
[(REF+) – (REF – )] = 2.5V when +VA =
+VBD = 3V, f
SCLK
= 42MHz, or V
REF
= 2.5 when +VA = +VBD = 2.7V, f
SCLK
= 37.8MHz; f
I
= dc for dc curves, f
I
= 100kHz for ac
curves with 5V supply and f
I
= 10kHz for ac curves with 3V supply, unless otherwise noted.
TOTAL HARMONIC DISTORTION SPURIOUS-FREE DYNAMIC RANGE
vs FULL-SCALE RANGE vs FULL-SCALE RANGE
Figure 24. Figure 25.
TOTAL HARMONIC DISTORTION SPURIOUS-FREE DYNAMIC RANGE
vs FREE-AIR TEMPERATURE vs FREE-AIR TEMPERATURE
Figure 26. Figure 27.
SIGNAL-TO-NOISE RATIO SIGNAL-TO-NOISE AND DISTORTION
vs FREE-AIR TEMPERATURE vs FREE-AIR TEMPERATURE
Figure 28. Figure 29.
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