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 

WM8741

CONTROL INTERFACE TIMING – 3-WIRE MODE

Production Data

Figure 5 Control Interface Timing - 3-Wire Serial Control Mode

Test Conditions

DVDD = 3.3V, GND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

SCLK rising edge to LATCH

tSCS

rising edge

SCLK pulse cycle time

tSCY

SCLK pulse width low

tSCL

SCLK pulse width high

tSCH

SDIN to SCLK set-up time

tDSU

SCLK to SDIN hold time

tDHO

LATCH pulse width low

tCSL

LATCH pulse width high

tCSH

LATCH rising to SCLK rising

tCSS

Table 4 Control Interface Timing – 3-Wire Serial Control Mode

MIN

TYP

40

80

32

32

20

20

20

20

20

MAX

UNIT

ns

ns

ns

ns

ns

ns

ns

ns

ns

w

PD, Rev 4.2, October 2009

14

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