[AK5357]

MS0294-E-03

200

9/03

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SWITCHING CHARACTERISTICS

(Ta=Tmin

Parameter

Symbol

min

typ

max

Units

Master Clock Timing

Frequency

Pulse Width Low

Pulse Width High

fCLK

tCLKL

tCLKH

1.024

0.4/fCLK

0.4/fCLK

36.864

MHz

ns

ns

LRCK Frequency

fs

4

96

kHz

Duty Cycle

Slave mode

Master mode

45

50

55

%

%

Audio Interface Timing

Slave mode

SCLK Period

SCLK Pulse Width Low

Pulse Width High

LRCK Edge to SCLK “

↑”

(Note 11)

SCLK “

↑” to LRCK Edge

(Note 11)

SCLK “

↓” to SDTO

tSCK

tSCKL

tSCKH

tLRSH

tSHLR

tLRS

tSSD

160

65

65

30

30

35

35

ns

ns

ns

ns

ns

ns

ns

Master mode

SCLK Frequency

SCLK Duty

SCLK “

↓” to LRCK

SCLK “

↓” to SDTO

fSCK

dSCK

tMSLR

tSSD

−20

−20

64fs

50

20

35

Hz

%

ns

ns

Reset Timing

PDN Pulse Width

(Note 12)

PDN “

↑” to SDTO valid at Slave Mode

(Note 13)

PDN “

↑” to SDTO valid at Master Mode (Note 13)

tPD

tPDV

tPDV

150

4132

4129

ns

1/fs

1/fs

Note 11. SCLK rising edge must not occur at the same time as LRCK edge.

Note 12. The AK5357 can be reset by bringing the PDN pin = “L”.

Note 13. This cycle is the number of LRCK rising edges from the PDN pin = “H”.