WM8734SEFL Wolfson Microelectronics, WM8734SEFL Datasheet - Page 11

• Manufacturer Part Number: WM8734SEFL
• Description: Audio CODECs Stereo CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8734SEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-28
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8734
MASTER CLOCK TIMING
Figure 1 System Clock Timing Requirements
DIGITAL AUDIO INTERFACE – MASTER MODE
w
Test Conditions
AVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 3.3V, DGND = 0V, T
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
MCLK
Figure 2 Master Mode Connection
WM8734
CODEC
SYMBOL
T
T
T
XTIH
XTIL
XTIY
ADCLRC
ADCDAT
DACLRC
DACDAT
BCLK
t
MCLKL
t
MCLKY
TEST CONDITIONS
t
MCLKH
A
= +25
o
C, Slave Mode, fs = 48kHz, MCLK = 256fs unless
ENCODER/
DECODER
40:60
DSP
MIN
18
18
54
TYP
PD, Rev 4.3, January 2009
60:40
MAX
Production Data
UNIT
ns
ns
ns
11