AD1891JNZ Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD1891JNZ Datasheet PDF : 20 Pages
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–80.00
–85.00
–90.00
–95.00
–100.0
–105.0
–110.0
–115.0
–120.0
20
100
1k
FREQUENCY – Hz
10k 20k
Figure 17a. AD1890—THD+N vs. Frequency, 48 kHz Input
Sample Frequency, 44.1 kHz Output Sample Frequency,
Full-Scale Input Signal
–90.00
–95.00
–100.0
–105.0
20kHz
–110.0
–115.0
–120.0
1kHz
–125.0
–130.0
–100 –90.0 –80.0 –70.0 –60.0 –50.0 –40.0 –30.0 –20.0 –10.0 0.0
AMPLITUDE – dBFS
Figure 18a. AD1890—THD+N vs. Input Amplitude,
44.1 kHz Input Sample Frequency, 48 kHz Output Sample
Frequency, 1 kHz and 20 kHz Tones
AD1890/AD1891
–80.00
–85.00
–90.00
–95.00
–100.0
–105.0
–110.0
–115.0
–120.0
20
100
1k
FREQUENCY – Hz
10k 20k
Figure 17b. AD1891—THD+N vs. Frequency, 48 kHz Input
Sample Frequency, 44.1 kHz Output Sample Frequency,
Full-Scale Input Signal
–90.00
–91.00
–92.00
20kHz
–93.00
–94.00
–95.00
–96.00
1kHz
–97.00
–98.00
–99.00
–100.00
–100 –90.0 –80.0 –70.0 –60.0 –50.0 –40.0 –30.0 –20.0 –10.0 0.0
AMPLITUDE – dBFS
Figure 18b. AD1891—THD+N vs. Input Amplitude,
44.1 kHz Input Sample Frequency, 48 kHz Output Sample
Frequency, 1 kHz and 20 kHz Tones
10.000
8.0000
6.0000
4.0000
2.0000
0.0
–2.000
44.1k
–4.000
–6.000
25k
30k
35k
40k
–8.000
–10.00
10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0
FREQUENCY – Hz
Figure 19. AD1890/AD1891 Digital Filter Signal Transfer Function, 10 kHz to
20 kHz, 44.1 kHz Input Sample Frequency, 44.1, 40, 35, 30 and 25 kHz
Output Sample Frequencies
REV. 0
–17–
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