CS4340A

16

DS590PP2

SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE

Notes: 5. Speed mode is detected automatically, based on the input sample rate.

Parameters

Symbol

Min

Max

Units

MCLK Frequency

1.024

38.4

MHz

MCLK Duty Cycle

45

55

%

Input Sample Rate

Single-Speed Mode

(Note 5)

Double-Speed Mode

Quad-Speed Mode

Fs

Fs

Fs

4

84

170

50

100

200

kHz

kHz

kHz

LRCK Duty Cycle

40

60

%

SCLK Frequency

Single-Speed Mode

Double-Speed Mode

-

-

128xFs

64xFs

Hz

Hz

Quad-Speed Mode

-

Hz

SCLK Pulse Width Low

20

-

ns

SCLK Pulse Width High

20

-

ns

SCLK rising to LRCK edge delay

20

-

ns

SCLK rising to LRCK edge setup time

20

-

ns

SDIN valid to SCLK rising setup time

20

-

ns

SCLK rising to SDIN hold time

20

-

ns

MCLK

2

------------------

sclk h

t

slrs

t

slrd

t

sd lrs

t

sdh

t

sc lk l

t

SDIN

SCLK

LR C K

Figure 17. Serial Input Timing