wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 13

• Manufacturer Part Number: wm9081
• Description: Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
SIGNAL TIMING REQUIREMENTS
SYSTEM CLOCK TIMING
Figure 1 System Clock Timing Requirements
AUDIO INTERFACE TIMING – MASTER MODE
Figure 2 Digital Audio Data Timing - Master Mode
w
Test Conditions
DCVDD=DBVDD=1.8V, AVDD=3.3V, SPKVDD=5V, DGND=AGND=SPKGND=0V, T
System Clock Timing Information
MCLK cycle time
MCLK duty cycle
Test Conditions
DCVDD=DBVDD=1.8V, AVDD=3.3V, SPKVDD=5V, DGND=AGND=SPKGND=0V, T
MCLK=256fs, 24-bit data, unless otherwise stated.
Audio Data Timing Information
LRCLK propagation delay from BCLK falling edge
DACDAT setup time to BCLK rising edge
DACDAT hold time from BCLK rising edge
PARAMETER
PARAMETER
SYMBOL
T
MCLKY
= T
CONDITIONS
MCLKH
/T
SYMBOL
MCLKL
t
t
t
DST
DHT
DL
A
A
60:40
MIN
MIN
=+25
= +25
40
10
10
o
C, Master Mode, fs=48kHz,
o
C
TYP
TYP
PP, Rev 3.0, April 2009
40:60
MAX
MAX
10
WM9081
UNIT
UNIT
ns
ns
ns
ns
13