WM8973LGEFL/V Wolfson Microelectronics, WM8973LGEFL/V Datasheet - Page 14
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WM8973LGEFL/V
Manufacturer Part Number
WM8973LGEFL/V
Description
Audio CODECs Stereo Codec with H/P Spkr
Manufacturer
Wolfson Microelectronics
Datasheets
1.WM8973LGEFLV.pdf
(57 pages)
2.WM8973LGEFLV.pdf
(63 pages)
3.WM8973LGEFLV.pdf
(61 pages)
4.WM8973LGEFLV.pdf
(57 pages)
Specifications of WM8973LGEFL/V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-32
Minimum Operating Temperature
- 25 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
WM8973L
w
SIGNAL TIMING REQUIREMENTS
SYSTEM CLOCK TIMING
AUDIO INTERFACE TIMING – MASTER MODE
Test Conditions
CLKDIV2=0, DCVDD = 1.42V, DBVDD = 3.3V, DGND = 0V, T
unless otherwise stated.
PARAMETER
System Clock Timing Information
MCLK System clock pulse width high
MCLK System clock pulse width low
MCLK System clock cycle time
MCLK duty cycle
Test Conditions
CLKDIV2=1, DCVDD = 1.42V, DBVDD = 3.3V, DGND = 0V, T
unless otherwise stated.
PARAMETER
System Clock Timing Information
MCLK System clock pulse width high
MCLK System clock pulse width low
MCLK System clock cycle time
Figure 1 System Clock Timing Requirements
Figure 2 Digital Audio Data Timing – Master Mode (see Control Interface)
MCLK
ADCLRC/
(Outputs)
DACLRC
ADCDAT
DACDAT
(Output)
BCLK
SYMBOL
SYMBOL
T
T
T
T
T
T
T
MCLKDS
MCLKH
MCLKY
MCLKH
MCLKY
MCLKL
MCLKL
A
A
t
MCLKL
= +25
= +25
t
MCLKY
o
o
t
t
C, Slave Mode fs = 48kHz, MCLK = 384fs, 24-bit data,
C, Slave Mode fs = 48kHz, MCLK = 384fs, 24-bit data,
DST
MCLKH
t
DHT
60:40
MIN
MIN
21
21
54
10
10
27
TYP
TYP
t
DL
t
DDA
PD, Rev 4.5, December 2011
40:60
MAX
MAX
Production Data
UNIT
UNIT
ns
ns
ns
ns
ns
ns
14