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Switching characteristics - serial audio port – Cirrus Logic CS5381 User Manual

Page 10

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10

DS563F2

CS5381

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT

(Logic “0” = GND = 0 V; Logic “1” = VL, C

L

= 20 pF)

Parameter

Symbol

Min

Typ

Max

Unit

Output Sample Rate

Single-Speed Mode

Double-Speed Mode

Quad-Speed Mode

Fs
Fs
Fs

2

50

100

-
-
-

54

108
216

kHz
kHz
kHz

OVFL to LRCK Edge Setup Time

t

setup

16/f

sclk

-

-

s

OVFL to LRCK Edge Hold Time

t

hold

1/f

sclk

-

-

s

OVFL time-out on overrange condition

Fs = 44.1, 88.2, 176.4 kHz

Fs = 48, 96, 192 kHz

-
-

740
680

-
-

ms
ms

MCLK Specifications

MCLK Period

t

clkw

36

-

1953

ns

MCLK Duty Cycle

40

-

60

%

Master Mode

SCLK falling to LRCK transition

t

mslr

-20

-

20

ns

SCLK falling to SDOUT valid

t

sdo

-

-

32

ns

SCLK Duty Cycle

-

50

-

%

Slave Mode

Single-Speed

Output Sample Rate

Fs

2

-

54

kHz

LRCK Duty Cycle

40

50

60

%

SCLK Period

t

sclkw

145

-

-

ns

SCLK Duty Cycle

45

50

55

%

SDOUT valid before SCLK rising

t

stp

10

-

-

ns

SDOUT valid after SCLK rising

t

hld

5

-

-

ns

SCLK falling to LRCK transition

t

slrd

-20

-

20

ns

Double-Speed

Output Sample Rate

Fs

50

-

108

kHz

LRCK Duty Cycle

40

50

60

%

SCLK Period

t

sclkw

145

-

-

ns

SCLK Duty Cycle

45

50

55

%

SDOUT valid before SCLK rising

t

stp

10

-

-

ns

SDOUT valid after SCLK rising

t

hld

5

-

-

ns

SCLK falling to LRCK transition

t

slrd

-20

-

20

ns

Quad-Speed

Output Sample Rate

Fs

100

-

216

kHz

LRCK Duty Cycle

40

50

60

%

SCLK Period

t

sclkw

72

-

-

ns

SCLK Duty Cycle

45

50

55

%

SDOUT valid before SCLK rising

t

stp

10

-

-

ns

SDOUT valid after SCLK rising

t

hld

5

-

-

ns

SCLK falling to LRCK transition

t

slrd

-8

-

8

ns