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WM8731SEDS/R Datasheet(PDF) 16 Page - Wolfson Microelectronics plc

No. de pieza WM8731SEDS/R
Descripción Electrónicos  Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
PDF  63 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8731SEDS/R Datasheet(HTML) 16 Page - Wolfson Microelectronics plc

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WM8731 / WM8731L
Production Data
w
PD Rev 4.3 August 2006
16
DIGITAL AUDIO INTERFACE – MASTER MODE
BCLK
ADCDAT
ADCLRC
DACDAT
DACLRC
WM8731
CODEC
DSP
ENCODER/
DECODER
Note: ADC and DAC can run at different rates
Figure 3 Master Mode Connection
BCLK
(Output)
ADCDAT
ADCLRC
DAC/LRC
(Outputs)
t
DL
DACDAT
t
DDA
t
DHT
t
DST
Figure 4 Digital Audio Data Timing – Master Mode
Test Conditions
AVDD, HPVDD, DBDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25
oC, Slave Mode, fs = 48kHz, XTI/MCLK =
256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Audio Data Input Timing Information
ADCLRC/DACLRC
propagation delay from
BCLK falling edge
tDL
0
10
ns
ADCDAT propagation delay
from BCLK falling edge
tDDA
0
15
ns
DACDAT setup time to
BCLCK rising edge
tDST
10
ns
DACDAT hold time from
BCLK rising edge
tDHT
10
ns



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