WM8772SEDSSLASHV datasheet(43/73 Pages) WOLFSON

部件名	WM8772SEDS/V

功能描述	24-bit, 192kHz 6-Channel Codec with Volume Control

PDF	73 Pages

Scroll/Zoom	100%

制造商	WOLFSON [Wolfson Microelectronics plc]

网页	http://www.wolfsonmicro.com

标志

43 / 73 page

Production Data

WM8772EFT – 32 LEAD TQFP

PD Rev 4.2 October 2005

WM8722EFT - 32 LEAD TQFP

MASTER CLOCK TIMING

ADCMCLK/

DACMCLK

MCLKL

MCLKH

MCLKY

Figure 37 ADC and DAC Master Clock Timing Requirements

Test Conditions

AVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, AGND, DGND = 0V, TA = +25

oC, fs = 48kHz, DACMCLK and

ADCMCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

System Clock Timing Information

ADCMCLK and DACMCLK

System clock pulse width high

tMCLKH

ADCMCLK and DACMCLK

System clock pulse width low

tMCLKL

ADCMCLK and DACMCLK

System clock cycle time

tMCLKY

ADCMCLK and DACMCLK Duty

cycle

40:60

60:40

Table 13 Master Clock Timing Requirements

DIGITAL AUDIO INTERFACE – MASTER MODE

ADCLRC

DOUT

DACBCLK

DIN1/2/3

DACLRC

WM8772

CODEC

DSP/

ENCODER/

DECODER

ADCBCLK

Figure 38 Audio Interface - Master Mode

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