WM8741(2009) データシートの表示（PDF） - Wolfson Microelectronics plc

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WM8741
(Rev.:2009)

24-bit 192kHz DAC with Advanced Digital Filtering

Wolfson Microelectronics plc 

Production Data

DSD AUDIO INTERFACE TIMINGS

Figure 3 DSD Audio Timing - Normal Mode

WM8741

Figure 4 DSD Audio Timing - Phase Modulated Mode

Test Conditions

DVDD = 3.3V, GND = 0V, TA = +25oC, fs = 44.1kHz, DSDCLK64 = 64fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

Audio Data Input Timing Information

DSDCLK64 cycle time

DSDCLK64 pulse width high

DSDCLK64 pulse width low

DSD[0:1] set-up time to

DSDCLK64 rising edge

t64CY

t64H

t64L

tDSN

DSD[0:1] hold time from

tDHN

DSDCLK64 rising edge

Difference in edge timing of

tDC

DSD[0:1] to DSDCLK64

Table 3 DSD Audio Interface Timing Requirements

MIN

TYP

354.3

140

140

20

20

-10

MAX

10

UNIT

ns

ns

ns

ns

ns

ns

w

PD, Rev 4.2, October 2009

13

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