Datasheet

SampleRate(kSPS)
AnalogSupplyCurrent(mA)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 9010
20 30 40 50 60 70 80
5V
3V
PDMode
SampleRate(kSPS)
AnalogSupplyCurrent(mA)
7
6
5
4
3
2
1
0
1
5V
3V
1000
10 100
AutoNAP
Temperature( C)°
AnalogSupplyCurrent(mA)
-15
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
-40 8510 35 60
5V
3V
f =1MSPS
S
Temperature( C)°
AnalogSupplyCurrent(mA)
-15
0.35
0.30
0.25
0.20
0.15
-40 8510 35 60
5V
3V
NAPMode
+VA=5V
Code
INL(Bits)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0 5000 10000 15000
+VA=5V
Code
DNL(Bits)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0 5000 10000 15000
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.
ANALOG SUPPLY CURRENT ANALOG SUPPLY CURRENT
vs SAMPLE RATE vs SAMPLE RATE
Figure 36. Figure 37.
ANALOG SUPPLY CURRENT ANALOG SUPPLY CURRENT
vs FREE-AIR TEMPERATURE vs FREE-AIR TEMPERATURE
Figure 38. Figure 39.
INTEGRAL NONLINEARITY DIFFERENTIAL NONLINEARITY
Figure 40. Figure 41.
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