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WM8772 Datasheet(PDF) 16 Page - Wolfson Microelectronics plc

Part # WM8772
Description  24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
PDF  70 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8772 Datasheet(HTML) 16 Page - Wolfson Microelectronics plc

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WM8772EDS – 28 PIN SSOP
Production Data
w
PD Rev 4.1 October 2004
16
PAGES 12 TO 36 DESCRIBE THE OPERATION OF THE WM8772EDS 28 PIN
SSOP PRODUCT VARIANT.
PAGES 37 TO 66 DESCRIBE THE OPERATION OF THE WM8772EFT 32 PIN
TQFP PRODUCT VARIANT.
WM8772EDS – 28 PIN SSOP
MASTER CLOCK TIMING
MCLK
t
MCLKL
t
MCLKH
t
MCLKY
Figure 13 ADC and DAC Master Clock Timing Requirements
Test Conditions
AVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, AGND, DGND = 0V, TA = +25
oC, fs = 48kHz, DACMCLK and
ADCMCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
System Clock Timing Information
MCLK System clock pulse width
high
tMCLKH
11
ns
MCLK System clock pulse width
low
tMCLKL
11
ns
MCLK System clock cycle time
tMCLKY
28
ns
MCLK Duty cycle
40:60
60:40
Table 2 Master Clock Timing Requirements
DIGITAL AUDIO INTERFACE – MASTER MODE
LRC
DOUT
DIN1/2/3
WM8772
CODEC
DSP/
ENCODER/
DECODER
3
BCLK
Figure 14 Audio Interface - Master Mode



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