WM8740 Wolfson Microelectronics plc, WM8740 Datasheet - Page 8

• Manufacturer Part Number: WM8740
• Description: 24-bit, High Performance 192khz Stereo Dac
• Manufacturer: Wolfson Microelectronics plc

WM8740
Figure 2 System Clock Timing Requirements
Figure 3 Program Register Input Timing – SPI Compatible Serial Control Mode
w
Test Conditions
AVDD, DVDD = 5V, AGND, DGND = 0V, T
PARAMETER
System Clock Timing Information
System clock pulse width high
System clock pulse width low
System clock cycle time
Test Conditions
AVDD, DVDD = 5V, AGND, DGND = 0V, T
PARAMETER
Program Register Input Information
MC/DM1 pulse cycle time
MC/DM1 pulse width low
MD/DM0 pulse width high
MD/DM0 set-up time
MC/DM1 hold time
ML/I2S pulse width low
ML/I2S pulse width high
ML/I2S set-up time
ML/I2S delay from MC
MC/DM1
MD/DM0
ML/I2S
SCKI
SYMBOL
t
SYMBOL
t
MCH
t
t
SCKIH
SCKIL
SCKY
t
t
t
t
t
t
t
t
t
MCY
MCL
MCH
MDS
MDH
MHH
MLS
MLD
MLL
t
MCY
A
A
= +25
= +25
t
SCKIL
t
t
MCL
MDS
t
o
o
SCKY
C, fs = 48kHz, SCKI = 256fs unless otherwise stated.
C, fs = 48kHz, SCKI = 256fs unless otherwise stated.
TEST CONDITIONS
t
MDH
TEST CONDITIONS
t
SCKIH
MIN
MIN
LSB
10
10
27
80
32
32
10
10
10
10
10
10
t
MLL
t
MLD
TYP
TYP
PD, Rev 4.3, August 2009
t
t
MLS
MHH
MAX
MAX
Production Data
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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