AD1890 Analog Devices, AD1890 Datasheet - Page 17

• Manufacturer Part Number: AD1890
• Description: SamplePort Stereo Asynchronous Sample Rate Converters
• Manufacturer: Analog Devices

REV. 0
Figure 17a. AD1890—THD+N vs. Frequency, 48 kHz Input
Sample Frequency, 44.1 kHz Output Sample Frequency,
Full-Scale Input Signal
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
–80.00
–85.00
–90.00
–95.00
–100.0
–105.0
–110.0
–115.0
–120.0
–90.00
–95.00
–100.0
–105.0
–110.0
–115.0
–120.0
–125.0
–130.0
–100
20
–90.0
–80.0
–70.0
100
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
AMPLITUDE – dBFS
FREQUENCY – Hz
–60.0
–50.0
–40.0
1k
10.000
8.0000
6.0000
4.0000
2.0000
–2.000
–4.000
–6.000
–8.000
–10.00
–30.0
0.0
10.0
–20.0
20kHz
11.0
–10.0
1kHz
10k
12.0
25k
20k
0.0
13.0
FREQUENCY – Hz
14.0
–17–
30k
15.0
Figure 17b. AD1891—THD+N vs. Frequency, 48 kHz Input
Sample Frequency, 44.1 kHz Output Sample Frequency,
Full-Scale Input Signal
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
16.0
–100.00
–80.00
–85.00
–90.00
–95.00
–100.0
–105.0
–110.0
–115.0
–120.0
–90.00
–91.00
–92.00
–93.00
–94.00
–95.00
–96.00
–97.00
–98.00
–99.00
17.0
35k
–100
20
18.0
–90.0
40k
19.0
44.1k
–80.0
20.0
–70.0
100
AMPLITUDE – dBFS
FREQUENCY – Hz
–60.0
–50.0
AD1890/AD1891
–40.0
1k
–30.0
–20.0
–10.0
10k
20kHz
1kHz
20k
0.0