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WM8993 Datasheet(PDF) 31 Page - Wolfson Microelectronics plc

Part # WM8993
Description  Audio Hub CODEC for Multimedia Phones
PDF  229 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8993 Datasheet(HTML) 31 Page - Wolfson Microelectronics plc

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Production Data
WM8993
w
PD, November 2010, Rev 4.0
31
TDM MODE
In TDM mode, it is important that two ADC devices to not attempt to drive the ADCDAT pin
simultaneously. The timing of the WM8993 ADCDAT tri-stating at the start and end of the data
transmission is described below.
Figure 5 Audio Interface Timing - TDM Mode
Test Conditions
The following timing information is valid across the full range of recommended operating conditions.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Audio Data Timing Information
ADCDAT setup time from BCLK falling edge
DCVDD =2.0V
DBVDD = 3.6V
5
ns
DCVDD = 1.08V
DBVDD = 1.62V
15
ns
ADCDAT release time from BCLK falling edge
DCVDD = 2.0V
DBVDD = 3.6V
5
ns
DCVDD = 1.08V
DBVDD = 1.62V
15
ns



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