WM8912 Просмотр технического описания (PDF) - Cirrus Logic

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производитель

WM8912

Ultra Low Power DAC with Headphone Driver for Portable Audio Applications

Cirrus Logic 

WM8912

SLAVE MODE

Production Data

Figure 3 Audio Interface Timing – Slave Mode

Test Conditions

DCVDD = 1.0V, AVDD = DBVDD = CPVDD = 1.8V, DGND=AGND=CPGND =0V, TA = +25oC, Slave Mode, fs=48kHz,

MCLK=256fs, 24-bit data, unless otherwise stated.

PARAMETER

Audio Interface Timing - Slave Mode

BCLK cycle time

BCLK pulse width high

BCLK pulse width low

LRCLK set-up time to BCLK rising edge

LRCLK hold time from BCLK rising edge

DACDAT hold time from BCLK rising edge

DACDAT set-up time to BCLK rising edge

SYMBOL

tBCY

tBCH

tBCL

tLRSU

tLRH

tDH

tDS

MIN

TYP

MAX

50

20

20

20

10

10

20

UNIT

ns

ns

ns

ns

ns

ns

ns

Note: BCLK period must always be greater than or equal to MCLK period.

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PD, Rev 4.1, February 2013

16

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