WM8976GEFL/V Wolfson Microelectronics, WM8976GEFL/V Datasheet - Page 15

Audio CODECs Mono ADC Stereo DAC with Spkr

WM8976GEFL/V

Manufacturer Part Number
WM8976GEFL/V
Description
Audio CODECs Mono ADC Stereo DAC with Spkr
Manufacturer
Wolfson Microelectronics
Datasheet

Specifications of WM8976GEFL/V

Mounting Style
SMD/SMT
Package / Case
QFN-32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Production Data
AUDIO INTERFACE TIMING – SLAVE MODE
Note:
BCLK period should always be greater than or equal to MCLK period.
w
Test Conditions
DCVDD=1.8V,
MCLK=256fs, 24-bit data, unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
LRC propagation delay from BCLK falling edge
ADCDAT propagation delay from BCLK falling edge
DACDAT setup time to BCLK rising edge
DACDAT hold time from BCLK rising edge
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, T
MCLK= 256fs, 24-bit data, unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
BCLK cycle time
BCLK pulse width high
BCLK pulse width low
LRC set-up time to BCLK rising edge
LRC hold time from BCLK rising edge
DACDAT hold time from BCLK rising edge
DACDAT setup time to BCLK rising edge
ADCDAT propagation delay from BCLK falling edge
DBVDD=AVDD=SPKVDD=3.3V,
Figure 4 Digital Audio Data Timing – Slave Mode
DGND=AGND=SPKGND=0V,
SYMBOL
SYMBOL
t
t
t
t
t
LRSU
t
t
BCH
t
BCY
BCL
LRH
DH
DD
Ds
t
t
t
t
DDA
DST
DHT
DL
A
=+25
MIN
MIN
T
10
10
50
20
20
10
10
10
10
A
o
=+25
C, Slave Mode, fs=48kHz,
o
C,
TYP
TYP
Master
PD Rev 4.4 July 2009
Mode,
MAX
MAX
10
10
10
WM8976
fs=48kHz,
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15

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