WM8711 Wolfson Microelectronics Ltd., WM8711 Datasheet - Page 7

• Manufacturer Part Number: WM8711
• Description: Internet Audio DAC With Integrated Headphone Driver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8711
DIGITAL AUDIO INTERFACE – MASTER MODE
Figure 2 Digital Audio Data Timing - Master Mode
DIGITAL AUDIO INTERFACE – SLAVE MODE
Figure 3 Digital Audio Data Timing – Slave Mode
WOLFSON MICROELECTRONICS LTD
Test Conditions
AVDD, HPVDD, DVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
256fs unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
DACLRC propagation delay
from BCLK falling edge
DACDAT setup time to
BCLCK rising edge
DACDAT hold time from
BCLK rising edge
Test Conditions
AVDD, HPVDD, DVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
BCLK cycle time
BCLK pulse width high
BCLK pulse width low
DACLRC set-up time to
BCLK rising edge
DACLRC hold time from
BCLK rising edge
DACDAT set-up time to
BCLK rising edge
DACLRC
DACDAT
DACLRC
DACDAT
(Output)
(Output)
(Input)
(Input)
BCLK
BCLK
SYMBOL
SYMBOL
t
t
t
t
t
t
LRSU
t
t
BCH
t
DST
DHT
BCY
BCL
LRH
DS
DL
t
BCH
t
BCY
TEST CONDITIONS
TEST CONDITIONS
t
t
t
DLT
BCL
DS
t
LRH
t
DHT
A
A
= +25
= +25
t
o
DL
C, slave mode, fs = 48kHz, MCLK = 256fs
MIN
MIN
o
t
10
10
50
20
20
10
10
10
C, Slave Mode, fs = 48kHz, XTI/MCLK =
0
LRSU
TYP
TYP
PP Rev 1.2 November 2000
MAX
MAX
10
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UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
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