WM8731SEDSSLASHR datasheet(15/63 Pages) WOLFSON

部品番号	WM8731SEDS/R

部品情報	Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates

PDF	63 Pages

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メーカー	WOLFSON [Wolfson Microelectronics plc]

ホームページ	http://www.wolfsonmicro.com

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15 / 63 page

WM8731 / WM8731L

Production Data

PD Rev 4.3 August 2006

MASTER CLOCK TIMING

XTI/MCLK

XTIL

XTIH

XTIY

Figure 1 System Clock Timing Requirements

Test Conditions

AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25

oC, Slave Mode fs = 48kHz, XTI/MCLK =

256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

System Clock Timing Information

XTI/MCLK System clock pulse width

high

tXTIH

XTI/MCLK System clock pulse width

low

tXTIL

XTI/MCLK System clock cycle time

tXTIY

XTI/MCLK Duty cycle

40:60

60:40

XTI/MCLK

COP

CLKOUT

(DIV X2)

Figure 2 Clock Out Timing Requirements

Test Conditions

AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25

oC, Slave Mode fs = 48kHz, XTI/MCLK =

256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

System Clock Timing Information

CLKOUT propagation delay from

XTI/MCLK falling edge

tCOP

WM8731SEDS/R データシート(PDF) 15 Page - Wolfson Microelectronics plc

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