WM8734SEFL Wolfson Microelectronics, WM8734SEFL Datasheet - Page 12

• 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
Figure 3 Digital Audio Data Timing – Master Mode
DIGITAL AUDIO INTERFACE – SLAVE MODE
w
Test Conditions
AVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 3.3V, DGND = 0V, T
otherwise stated.
PARAMETER
Audio Data Input Timing Information
ADCLRC/DACLRC
propagation delay from
BCLK falling edge
ADCDAT propagation delay
from BCLK falling edge
DACDAT setup time to
BCLCK rising edge
DACDAT hold time from
BCLK rising edge
DAC/LRC
(Outputs)
ADCLRC
(Output)
ADCDAT
DACDAT
BCLK
Figure 4 Slave Mode Connection
SYMBOL
WM8734
CODEC
t
t
t
t
DDA
DST
DHT
DL
ADCLRC
ADCDAT
DACLRC
DACDAT
BCLK
t
DST
TEST CONDITIONS
t
DHT
A
= +25
o
C, Slave Mode, fs = 48kHz, MCLK = 256fs unless
t
ENCODER/
DECODER
t
DL
DDA
DSP
MIN
10
10
0
0
TYP
PD, Rev 4.3, January 2009
MAX
10
15
Production Data
UNIT
ns
ns
ns
ns
12