WM8731LSEFL Wolfson Microelectronics, WM8731LSEFL Datasheet - Page 18
WM8731LSEFL
Manufacturer Part Number
WM8731LSEFL
Description
Audio CODECs Stereo Codec with H/P
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8731LSEFL.pdf
(64 pages)
Specifications of WM8731LSEFL
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WM8731LSEFL
Manufacturer:
WOLFSON
Quantity:
7 800
Company:
Part Number:
WM8731LSEFL
Manufacturer:
MAX
Quantity:
5
Part Number:
WM8731LSEFL
Manufacturer:
WM
Quantity:
20 000
Part Number:
WM8731LSEFL/R
Manufacturer:
WOLFSON
Quantity:
20 000
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
18