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WM8772 Datasheet(PDF) 41 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) 41 Page - Wolfson Microelectronics plc

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Production Data
WM8772EFT – 32 PIN TQFP
w
PD Rev 4.1 October 2004
41
WM8722EFT - 32 PIN TQFP
MASTER CLOCK TIMING
ADCMCLK/
DACMCLK
t
MCLKL
t
MCLKH
t
MCLKY
Figure 33 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
ADCMCLK and DACMCLK
System clock pulse width high
tMCLKH
11
ns
ADCMCLK and DACMCLK
System clock pulse width low
tMCLKL
11
ns
ADCMCLK and DACMCLK
System clock cycle time
tMCLKY
28
ns
ADCMCLK and DACMCLK Duty
cycle
40:60
60:40
Table 13 Master Clock Timing Requirements
DIGITAL AUDIO INTERFACE – MASTER MODE
ADCLRC
DOUT
DACBCLK
DIN1/2/3
DACLRC
WM8772
CODEC
DSP/
ENCODER/
DECODER
3
ADCBCLK
Figure 34 Audio Interface - Master Mode



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