WM8728 datasheet(6/28 Pages) WOLFSON

tên linh kiện	WM8728

Giải thích chi tiết về linh kiện	24-bit, 192kHz Stereo DAC with Volume Control and DSD Support

PDF	28 Pages

Scroll/Zoom	100%

nhà sản xuất	WOLFSON [Wolfson Microelectronics plc]

Trang chủ	http://www.wolfsonmicro.com

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WM8728

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WOLFSON MICROELECTRONICS LTD

PP Rev 1.2 April 2001

MASTER CLOCK TIMING

MCLK

MCLKL

MCLKH

MCLKY

Figure 1 Master Clock Timing Requirements

Test Conditions

AVDD, DVDD = 5V, AGND = 0V, DGND = 0V, TA = +25

oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Master Clock Timing Information

MCLK Master clock pulse width high

tMCLKH

MCLK Master clock pulse width low

tMCLKL

MCLK Master clock cycle time

tMCLKY

MCLK Duty cycle

40:60

60:40

DIGITAL AUDIO INTERFACE

BCKIN

LRCIN

BCH

BCL

BCY

DIN

LRSU

LRH

Figure 2 Digital Audio Data Timing

Test Conditions

AVDD, DVDD = 5V, AGND = 0V, DGND = 0V, TA = +25

oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Audio Data Input Timing Information

BCKIN cycle time

tBCY

BCKIN pulse width high

tBCH

BCKIN pulse width low

tBCL

LRCIN set-up time to

BCKIN rising edge

tLRSU

8ns

LRCIN hold time from

BCKIN rising edge

tLRH

8ns

DIN set-up time to BCKIN

rising edge

tDS

8ns

DIN hold time from BCKIN

rising edge

tDH

8ns

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