WM8773IFT Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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производитель

WM8773IFT

24-bit, 96kHz ADC with 8 Channel I/P Multiplexer

Wolfson Microelectronics plc 

WM8773

BCLK

ADCLRC

DOUT

tBCH

tBCL

tBCY

tDD

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Figure 5 Digital Audio Data Timing – Slave Mode

Test Conditions

AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, MCLK = 256fs unless otherwise

stated.

PARAMETER

SYMBOL

Audio Data Input Timing Information

BCLK cycle time

tBCY

BCLK pulse width high

tBCH

BCLK pulse width low

tBCL

DOUT propagation delay

tDD

from BCLK falling edge

Table 3 Digital Audio Data Timing – Slave Mode

TEST CONDITIONS

MIN

TYP

MAX

UNIT

50

ns

20

ns

20

ns

0

10

ns

Note:

1. ADCLRC should be synchronous with MCLK, although the WM8773 interface is tolerant of phase variations or jitter on

these signals.

PP Rev 1.0 June 2002

10

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