WM8731LSEFL/R Wolfson Microelectronics, WM8731LSEFL/R Datasheet - Page 15

• Manufacturer Part Number: WM8731LSEFL/R
• Description: Audio CODECs STEREO CODEC w/ HP 28-pin
• Manufacturer: Wolfson Microelectronics

Specifications of WM8731LSEFL/R

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Conversion Rate: 96 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, I2S)
• Resolution: 18 bit, 20 bit
• Operating Supply Voltage: - 0.3 V to + 3.63 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC/2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8731 / WM8731L
MASTER CLOCK TIMING
Figure 1 System Clock Timing Requirements
Figure 2 Clock Out Timing Requirements
w
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
256fs unless otherwise stated.
PARAMETER
System Clock Timing Information
XTI/MCLK System clock pulse width
high
XTI/MCLK System clock pulse width
low
XTI/MCLK System clock cycle time
XTI/MCLK Duty cycle
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
256fs unless otherwise stated.
PARAMETER
System Clock Timing Information
CLKOUT propagation delay from
XTI/MCLK falling edge
XTI/MCLK
CLKOUT
CLKOUT
XTI/MCLK
(DIV X2)
SYMBOL
SYMBOL
t
t
t
t
XTIH
XTIY
COP
XTIL
t
XTIL
t
XTIY
TEST CONDITIONS
TEST CONDITIONS
t
COP
t
XTIH
A
A
= +25
= +25
40:60
o
MIN
o
MIN
18
18
54
C, Slave Mode fs = 48kHz, XTI/MCLK =
C, Slave Mode fs = 48kHz, XTI/MCLK =
0
TYP
TYP
PD, Rev 4.8, April 2009
60:40
MAX
MAX
10
Production Data
UNIT
UNIT
ns
ns
ns
ns
15