WM8951L(2005) Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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Компоненты Описание

производитель

WM8951L
(Rev.:2005)

Stereo ADC with Microphone Input and Clock Generator

Wolfson Microelectronics plc 

WM8951L

DIGITAL AUDIO INTERFACE – MASTER MODE

BCLK

ADCLRC

WM8951L

ADC

ADCDAT

DSP

ENCODER/

DECODER

Figure 3 Master Mode Connection

BCLK

(Output)

ADCLRC

(Output)

ADCDAT

t

DL

t

DDA

Production Data

Figure 4 Digital Audio Data Timing – Master Mode

Test Conditions

AVDD1, AVDD2, DBDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, XTI/MCLK =

256fs unless otherwise stated.

PARAMETER

SYMBOL

Audio Data Input Timing Information

ADCLRC propagation delay

tDL

from BCLK falling edge

ADCDAT propagation delay

tDDA

from BCLK falling edge

TEST CONDITIONS

MIN

TYP

MAX

UNIT

0

10

ns

0

15

ns

w

PD Rev 4.0 May 2005

10

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