AD1890/AD1891

–18–

REV. 0

0.0

–140.0

–80.00

–120.0

–100.0

–20.00

–60.00

–40.00

20k

2k

20

18k

16k

14k

12k

10k

8k

6k

4k

FREQUENCY – Hz

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

0.0

–140.0

–80.00

–120.0

–100.0

–20.00

–60.00

–40.00

20k

18k

16k

14k

12k

10k

8k

6k

FREQUENCY – Hz

2k

20

4k

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

0.0

–140.0

10k

–80.00

–120.0

1k

–100.0

20

–20.00

–60.00

–40.00

9k

8k

7k

6k

5k

4k

3k

2k

FREQUENCY – Hz

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

DATA IN/OUT

NO MSB DELAY MODE

BCLK_I, BCLK_O

NORMAL MODE

BCLK_I, BCLK_O

INVERTED MODE

LR_I, LR_O

INPUT

WCLK_I, WCLK_O

INPUT

INPUT

DATA IN/OUT

MSB DELAY MODE

MSB

MSB–1 MSB–2

LEFT DATA

MSB

LSB

LSB+1

LSB+2

MSB-1 MSB-2

RIGHT DATA

LSB+1

LSB

MSB

MSB–1 MSB–2 MSB–3

LEFT DATA

RIGHT DATA

LSB+1

LSB

MSB-3

MSB

MSB-1 MSB-2

LSB

Figure 22. AD1890/AD1891 Serial Data Input and Output Timing, Word Clock Triggered Mode