wm8953 Wolfson Microelectronics plc, wm8953 Datasheet - Page 19

• Manufacturer Part Number: wm8953
• Description: Low Power Stereo Adc With Pll And Tdm Interface Low Power Stereo Adc With Pll And Tdm Interface
• Manufacturer: Wolfson Microelectronics plc

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Production Data
AUDIO INTERFACE TIMING – 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
WM8953 ADCDAT tri-stating at the start and end of the data transmission is described in Figure 5 and the table below.
Figure 5 Digital Audio Data Timing - TDM Mode
Test Conditions
AVDD=3.3V, DGND=AGND=0V, T
MCLK=256fs, 24-bit data, unless otherwise stated.
Audio Data Timing Information
ADCDAT setup time from BCLK falling edge
ADCDAT release time from BCLK falling edge
PARAMETER
A
=+25
o
C, Master Mode, fs=48kHz,
DBVDD = 1.71V
DBVDD = 1.71V
CONDITIONS
DBVDD = 3.6V
DBVDD = 3.6V
DCVDD =
DCVDD =
DCVDD =
DCVDD =
MIN
TYP
15
15
5
5
PD, January 2009, Rev 4.0
MAX
WM8953
UNIT
ns
ns
ns
ns
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