CS43122 datasheet(9/28 Pages) CIRRUS

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CS43122

SWITCHING CHARACTERISTICS (T

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

1 = VD = 5.25 to 3.0 Volts; CL =20pF)

Parameter

Symbol

Min

Typ

Max

Unit

Input Sample Rate

(Operational Mode 0)

(Operational Mode 1)

(Operational Mode 2)

105

200

kHz

LRCK Duty Cycle

MCLK Frequency

(Operational Mode 0, 256 Fs)

(Operational Mode 1, 128 Fs)

(Operational Mode 2, 64 Fs)

4.096

14.08

MHz

MCLK Frequency

(Operational Mode 0, 384 Fs)

(Operational Mode 1, 192 Fs)

(Operational Mode 2, 96 Fs)

6.144

21.12

MHz

MCLK Frequency

(Operational Mode 0, 512 Fs)

(Operational Mode 1, 256 Fs)

(Operational Mode 2 , 128 Fs)

8.192

28.16

MHz

MCLK Frequency

(Operational Mode 0, 768 Fs)

(Operational Mode 1, 384 Fs)

(Operational Mode 2 , 192 Fs)

12.288

42.24

MHz

MCLK Duty Cycle

SCLK Frequency

(Operational

Mode 0)

(Operational Mode 1)

(Operational Mode 2)

256×Fs

128×Fs

64×Fs

SCLK rising to LRCK edge delay

tslrd

SCLK rising to LRCK edge setup time

tslrs

SDATA valid to SCLK rising setup time

tsdlrs

SCLK rising to SDATA hold time

tsdh

sclkh

slrs

slrd

sdlrs

sdh

sclkl

SDATA

SCLK

LRCK

Figure 1. Serial Audio Input Timing

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