Datasheet
Code
INL(Bits)
0 40001000
+VA=3V
2000 3000
0.25
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-0.25
Code
DNL(Bits)
0.25
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
-0.25
0
40001000
+VA=3V
2000 3000
Frequency(kHz)
100
Amplitude(dB)
0
-20
-40
-60
-80
-100
-120
-140
-160
0 200 300 400 500
5kHzInput
+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
10kHzInput
+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
100kHzInput
+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
5kHzInput
+VA=5V
f =1MSPS
S
V =5V
REF
ADS7229
ADS7230
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............................................................................................................................................................... SBAS437A – 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, 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.
INTEGRAL NONLINEARITY DIFFERENTIAL NONLINEARITY
Figure 42. Figure 43.
FFT FFT
Figure 44. Figure 45.
FFT FFT
Figure 46. Figure 47.
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