CS44L11 데이터 시트보기 (PDF) - Cirrus Logic

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CS44L11

Low Voltage Class-D PWM Headphone Amplifier

Cirrus Logic 

SWITCHING CHARACTERISTICS

(GND = 0 V; all voltages with respect to 0 V.)

Parameters

Input Sample Rate

Single-Speed Mode

Double-Speed Mode

MCLK Duty Cycle

LRCK Duty Cycle

SCLK Pulse Width Low

SCLK Pulse Width High

SCLK Period

Single-Speed Mode

Symbol

Fs

Fs

tsclkl

tsclkh

tsclkw

Double-Speed Mode tsclkw

SCLK rising to LRCK edge delay

SCLK rising to LRCK edge setup time

SDIN valid to SCLK rising setup time

SCLK rising to SDIN hold time

tslrd

tslrs

tsdlrs

tsdh

Min

8

50

40

40

20

20

(---1---2----81---)---F----s-

--------1----------

( 64 ) F s

20

20

20

20

CS44L11

Typ Max Units

-

50

kHz

-

100

kHz

50

60

%

50

60

%

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

LRCK

SCLK

SDI N

t slrd

t sclkw

t sdlrs

t slrs

t sclkh

t sclkl

t sdh

Figure 1. Serial Audio Data Interface Timing

8

DS640PP4

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