Cirrus-logic CS4396 Manuel d'utilisateur télécharger pdf (Page 8)

CS4396

8 DS288PP1

SWITCHING CHARACTERISTICS (T

A

= -10 to 70°C; Logic 0 = AGND = DGND; Logic

1 = VD = 5.25 to 3.0 Volts; C

L

=20pF)

Parameter Symbol Min Typ Max Unit

Input Sample Rate (Single-speed mode)

(Double-speed mode)

(Quad-speed mode)

Fs

Fs

Fs

16

50

100

-

-

-

50

100

200

kHz

kHz

kHz

LRCK Duty Cycle 45 50 55 %

MCLK Frequency (Single-speed 256 Fs,

Double speed 128 Fs or Quad-speed 64 Fs)

4.096

-12.8MHz

MCLK Frequency (Single-speed 384 Fs,

Double speed 192 Fs or Quad-speed, 96 Fs

6.144

-19.2MHz

MCLK Frequency (Single-speed 512 Fs,

Double speed 256 Fs or Quad-speed, 128 Fs

8.192

-25.6MHz

MCLK Frequency (Single-speed 768 Fs,

Double speed 384 Fs or Quad-speed, 192 Fs

12.288

-38.4MHz

MCLK Duty Cycle 40 50 60 %

SCLK Frequency (Single-speed mode)

(Double-speed mode)

(Quad-speed mode)

-

-

-

-

-

-

256×Fs

128×Fs

64×Fs

Hz

Hz

Hz

SCLK rising to LRCK edge delay t

slrd

20 - - ns

SCLK rising to LRCK edge setup time t

slrs

20 - - ns

SDATA valid to SCLK rising setup time t

sdlrs

20 - - ns

SCLK rising to SDATA hold time t

sdh

20 - - ns

sclkh

t

slrs

t

slrd

t

sdlrs

t

sdh

t

sclkl

t

SDATA

SCLK

LRCK

Figure 1. Serial Audio Input Timing

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 27 28

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