Datasheet

+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
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
5kHzInput
+VA=3V
f =1MSPS
S
V =2.5V
REF
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
10kHzInput
+VA=3V
f =1MSPS
S
V =2.5V
REF
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
100kHzInput
+VA=3V
f =1MSPS
S
V =2.5V
REF
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
5kHzInput
+VA=5V
f =1MSPS
S
V =5V
REF
ADS7279
ADS7280
www.ti.com ............................................................................................................................................................... SBAS436A – MAY 2008 – REVISED JUNE 2009
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.
INTEGRAL NONLINEARITY DIFFERENTIAL NONLINEARITY
Figure 42. Figure 43.
FFT FFT
Figure 44. Figure 45.
FFT FFT
Figure 46. Figure 47.
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