wm8918 Wolfson Microelectronics plc, wm8918 Datasheet - Page 18
wm8918
Manufacturer Part Number
wm8918
Description
Ultra Low Power Dac For Portable Audio Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8918.pdf
(175 pages)
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WM8918
SIGNAL TIMING REQUIREMENTS
COMMON TEST CONDITIONS
MASTER CLOCK
w
Master Clock Timing
MCLK cycle time
MCLK duty cycle
PARAMETER
Unless otherwise stated, the following test conditions apply throughout the following sections:
Additional, specific test conditions are given within the relevant sections below.
Figure 1 Master Clock Timing
•
•
•
•
SYMBOL
T
T
MCLKDS
MCLKY
Ambient temperature = +25°C
DCVDD = 1.0V
DBVDD = AVDD = CPVDD = 1.8V
DGND = AGND = CPGND = 0V
MCLK
TEST CONDITIONS
MCLK_DIV=1
MCLK_DIV=0
t
MCLKL
60:40
t
MIN
MCLKY
40
80
t
MCLKH
TYP
PD, Rev 4.0, September 2010
40:60
MAX
Production Data
UNIT
ns
ns
18
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