Datasheet

TYPICAL CHARACTERISTICS
Frequency(kHz)
Crosstalk(dB)
20
110
105
100
95
90
85
80
0
40 60 80 100 120 140 160 180
5V
3V
200
T °emperature( C)
DNL(LSB)
-15
0.30
0.25
0.20
0.15
0.10
0.05
0
-40
3V
5V
85
10 35 60
Temperature(°C)
INL(LSB)
-15
0.30
0.25
0.20
0.15
0.10
0.05
0
-40
3V
5V
85
10 35 60
f (MHz)
SCLK
DNL(LSB)
0.50
0.25
0
-0.25
-0.50
0.1 1001 10
+VA=5V
DNL+
DNL-
f (MHz)
SCLK
INL(LSB)
0.50
0.25
0
-0.25
-0.50
0.1 1001 10
+VA=5V
INL+
INL-
f (MHz)
SCLK
DNL(LSB)
0.50
0.25
0
-0.25
-0.50
0.1 1001 10
+VA=3V
DNL+
DNL-
ADS7229
ADS7230
www.ti.com ............................................................................................................................................................... SBAS437A – MAY 2008 – REVISED JUNE 2009
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, and 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.
CROSSTALK DIFFERENTIAL NONLINEARITY
vs FREQUENCY vs FREE-AIR TEMPERATURE
Figure 6. Figure 7.
INTEGRAL NONLINEARITY DIFFERENTIAL NONLINEARITY
vs FREE-AIR TEMPERATURE vs EXTERNAL CLOCK FREQUENCY
Figure 8. Figure 9.
INTEGRAL NONLINEARITY DIFFERENTIAL NONLINEARITY
vs EXTERNAL CLOCK FREQUENCY vs EXTERNAL CLOCK FREQUENCY
Figure 10. Figure 11.
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