WM8776SEFT/V Wolfson Microelectronics, WM8776SEFT/V Datasheet - Page 11

• Manufacturer Part Number: WM8776SEFT/V
• Description: Audio CODECs Stereo CODEC with 5-Ch Mux
• Manufacturer: Wolfson Microelectronics

Specifications of WM8776SEFT/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-48
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
DIGITAL AUDIO INTERFACE – SLAVE MODE
Figure 4 Audio Interface – Slave Mode
Figure 5 Digital Audio Data Timing – Slave Mode
Table 3 Digital Audio Data Timing – Slave Mode
Note: ADCLRC and DACLRC should be synchronous with MCLK, although the WM8776 interface is tolerant of phase
variations or jitter on these signals.
w
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, T
otherwise stated.
PARAMETER
Audio Data Input Timing Information
ADC/DACBCLK cycle time
ADC/DACBCLK pulse width
high
ADC/DACBCLK pulse width
low
DACLRC/ADCLRC set-up
time to ADC/DACBCLK
rising edge
DACLRC/ADCLRC hold
time from ADC/DACBCLK
rising edge
DIN set-up time to
DACBCLK rising edge
DIN hold time from
DACBCLK rising edge
DOUT propagation delay
from ADCBCLK falling edge
ADCBCLK/
WM8776
CODEC
DACBCLK
DACLRC/
ADCLRC
DOUT
DIN
DACBCLK
ADCBCLK
ADCLRC
DACLRC
DOUT
DIN
SYMBOL
t
BCH
t
t
t
t
t
LRSU
BCH
t
t
t
BCY
BCL
LRH
DS
DH
DD
t
BCY
Controller
t
DD
DVD
t
t
BCL
DS
TEST CONDITIONS
A
= +25
t
LRH
o
C, Slave Mode, fs = 48kHz, ADC/DACMCLK = 256fs unless
t
DH
t
LRSU
MIN
50
20
20
10
10
10
10
0
TYP
PD, Rev 4.1, September 2008
MAX
10
WM8776
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
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