DF1706

9

SBAS182

MODE CONTROL

The DF1706 may be configured using either software or

hardware control. The selection is made using the MODE

input (pin 10). See Table II for MODE selection.

TABLE II. MODE Selection.

MODE SETTING

MODE CONTROL SELECTION

MODE = H

Software Mode

MODE = L

Hardware Mode

(Cont.) FIGURE 6. Audio Output Data Format.

14

15

16

1

2

1/4f

S

MSB

LSB

WCKO

BCKO

AUDIO DATA WORD = 16-BIT

DOR

DOL

15

16

18

19

22

23

20

1

2

MSB

LSB

AUDIO DATA WORD = 20-BIT

DOR

DOL

19

20

24

1

2

MSB

LSB

AUDIO DATA WORD = 24-BIT

DOR

DOL

23

24

16

17

18

1

2

MSB

LSB

AUDIO DATA WORD = 18-BIT

DOR

DOL

17

18

14

15

16

1

2

1/4f

S

MSB

LSB

WCKO

BCKO

AUDIO DATA WORD = 16-BIT

DOR

DOL

MSB

15

16

18

19

22

23

20

1

2

MSB

LSB

AUDIO DATA WORD = 20-BIT

DOR

DOL

19

20

24

1

2

MSB

LSB

AUDIO DATA WORD = 24-BIT

DOR

DOL

23

24

1

2

16

17

18

1

2

LSB

AUDIO DATA WORD = 18-BIT

DOR

DOL

17

18

t

BCKH

0.5V

DD

0.5V

DD

NOTE: (1) Rising and falling time is measured from 10% to 90% of IN/OUT signal swing.

(2) Load capacitance of all signals are 20pF.

BCKO

DOL, R

t

BCKL

t

CKWK

t

WCKP

t

BCKP

t

CKDO

0.5V

DD

WCKO

BCKO Period

BCKO Pulse Width HIGH/LOW (f

(f

(other f

Delay Time BCKO Falling Edge to WCKO Valid

WCKO Period

Delay Time BCKO Falling Edge to DOL, R Valid

Rising Time of All Signals

Falling Time of All Signals

t

BCKP

t

t

CKWK

t

WCKP

t

CKDO

t

R

t

F

MIN

SYMBOL

PARAMETERS

TYP

10

14

20

–5

–5

7

7

20

30

100

5

5

1/4f

ns

ns

ns

ns

ns

ns

ns

MAX

UNITS

1/96f

FIGURE 7. Audio Data Output Timing.