WM8731SEFL Wolfson Microelectronics, WM8731SEFL Datasheet - Page 18

• Manufacturer Part Number: WM8731SEFL
• Description: Audio CODECs Stereo Codec with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM8731SEFL

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Conversion Rate: 96 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, I2S)
• 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
Figure 7 Program Register Input Timing - 3-Wire MPU Serial Control Mode
w
MPU INTERFACE TIMING
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
256fs unless otherwise stated.
PARAMETER
Program Register Input Information
SCLK rising edge to CSB rising
edge
SCLK pulse cycle time
SCLK pulse width low
SCLK pulse width high
SDIN to SCLK set-up time
SCLK to SDIN hold time
CSB pulse width low
CSB pulse width high
CSB rising to SCLK rising
SCLK
SDIN
CSB
SYMBOL
t
t
t
t
t
t
t
t
t
SCS
SCY
SCH
DSU
DHO
CSH
CSS
SCL
CSL
t
DSU
t
SCH
t
DHO
TEST CONDITIONS
t
SCY
t
t
SCL
CSL
A
= +25
o
MIN
60
80
20
20
20
20
20
20
20
C, Slave Mode, fs = 48kHz, XTI/MCLK =
LSB
t
SCS
TYP
t
CSS
PD, Rev 4.8, April 2009
t
CSH
MAX
Production Data
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
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