AS1527-BSOU Просмотр технического описания (PDF) - austriamicrosystems AG
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AS1527-BSOU Datasheet PDF : 21 Pages
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AS1526/AS1527
Data Sheet - Typical Operating Characteristics
7 Typical Operating Characteristics
VDD = 3.0V, VREF = 2.5V, fSCLK = 2.1MHz, CLOAD = 50pF, TAMB = +25ºC (unless otherwise specified).
Figure 5. Integral Nonlinearity vs. Digital Output Code Figure 6. Differential Nonlinearity vs. Digital Output Code
1
1
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0
0
-0.2
-0.2
-0.4
-0.4
-0.6
-0.6
-0.8
-0.8
-1
0
256
512
768
1024
Digital Output Code
-1
0
256
512
768
1024
Digital Output Code
Figure 7. FFT @ 1kHz
0
-20
Fsample = 80.8ksps
NFFT = 16384
-40
-60
-80
-100
-120
-140
-160
0
10
20
30
40
Input Signal Frequency (kHz)
Figure 8. FFT @ 10kHz
0
-20
Fsample = 80.8ksps
NFFT = 16384
-40
-60
-80
-100
-120
-140
-160
0
10
20
30
40
Input Signal Frequency (kHz)
Figure 9. ENOB vs. VREF
9.95
9.92
Figure 10. ENOB vs. Input Signal Frequency
9.95
9.94
9.89
9.93
9.86
9.92
9.83
9.91
9.8
9.77
0.8 1.2 1.6 2 2.4 2.8 3.2 3.6
Reference Voltage (V)
9.9
9.89
0
10
20
30
40
Frequency (kHz)
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Revision 1.03
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