ad1890jpz Analog Devices, Inc., ad1890jpz Datasheet - Page 18

• Manufacturer Part Number: ad1890jpz
• Description: Sampleport Stereo Asynchronous Sample Rate Converters
• Manufacturer: Analog Devices, Inc.

AD1890/AD1891
Figure 20a. AD1890—Twintone, 10 kHz and 11 kHz,
44.1 kHz Input Sample Frequency, 48 kHz Output Sample
Frequency, 16k-Point FFT, BH4 Window
NO MSB DELAY MODE
MSB DELAY MODE
WCLK_I, WCLK_O
INVERTED MODE
BCLK_I, BCLK_O
BCLK_I, BCLK_O
NORMAL MODE
–20.00
–40.00
–60.00
–80.00
–100.0
–120.0
–140.0
INPUT
DATA IN/OUT
DATA IN/OUT
LR_I, LR_O
0.0
20
INPUT
INPUT
Figure 22. AD1890/AD1891 Serial Data Input and Output Timing, Word Clock Triggered Mode
2k
Figure 21. AD1890/AD1891—5 kHz Tone at 0 dBFS with 100 ns p-p Binomial Jitter
on L/ R Clocks, Fast Settling Mode, 48 kHz Input Sample Frequency, 44.1 kHz Output
Sample Frequency, 16k-Point FFT, BH4 Window
4k
6k
FREQUENCY – Hz
8k
10k
12k
–20.00
–40.00
–60.00
–80.00
–100.0
–120.0
–140.0
MSB
14k
0.0
20
MSB–1 MSB–2 MSB–3
MSB
16k
MSB–1 MSB–2
1k
LEFT DATA
LEFT DATA
18k
2k
20k
3k
FREQUENCY – Hz
4k
–18–
LSB+2
LSB+1
5k
Figure 20b. AD1891—Twintone, 10 kHz and 11 kHz,
44.1 kHz Input Sample Frequency, 48 kHz Output Sample
Frequency, 16k-Point FFT, BH4 Window
LSB+1
LSB
6k
LSB
–20.00
–40.00
–60.00
–80.00
–100.0
–120.0
–140.0
7k
0.0
20
8k
2k
9k
4k
10k
6k
FREQUENCY – Hz
8k
MSB
10k
MSB-1 MSB-2
MSB
MSB-1 MSB-2
RIGHT DATA
12k
RIGHT DATA
MSB-3
14k
16k
18k
LSB+1
LSB
REV. 0
20k
LSB