User Manual

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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
AUDIO INTERFACE TIMING CHARACTERISTICS
(V
AVDD
= V
PVDD
= V
DVDD
= V
DVDDS1
= V
DVDDS2
= 1.8V, V
SPKLVDD
= V
SPKRVDD
= 3.7V, T
A
= +25NC, unless otherwise noted.)
(Note 1)
Figure 1. Non-TDM Audio Interface Timing Diagrams (TDM_ = 0)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
BCLK Cycle Time t
BCLK
Slave mode 90 ns
BCLK High Time t
BCLKH
Slave mode 20 ns
BCLK Low Time t
BCLKL
Slave mode 20 ns
BCLK or LRCLK Rise and Fall Time t
R
, t
F
Master mode, C
L
= 15pF 5 ns
SDIN to BCLK Setup Time t
SETUP
20 ns
LRCLK to BCLK Setup Time t
SYNCSET
Slave mode 20 ns
SDIN to BCLK Hold Time t
HOLD
20 ns
LRCLK to BCLK Hold Time t
SYNCHOLD
Slave mode 20 ns
Minimum Delay Time from LSB
BCLK Falling Edge to
High-Impedance State
t
HIZOUT
Master mode, TDM_ = 1 42 ns
LRCLK Rising Edge to SDOUT
MSB Delay
t
SYNCTX
C
L
= 30pF, TDM_ = 1, FSW_ = 1 50 ns
BCLK to SDOUT Delay t
CLKTX
C
L
= 30pF
TDM_ = 1, BCLK rising edge 50
ns
TDM_ = 0 50
Delay Time from BCLK to LRCLK t
CLKSYNC
Master
mode
TDM_ = 1 -15 +15
ns
TDM_ = 0
0.8 x
t
BCLKL
Delay Time from LRCLK to BCLK
After LSB
t
ENDSYNC
Master
mode
TDM_ = 1, FSW_ = 1 20 ns
t
R
t
CLKTX
t
SETUP
t
HOLD
t
BCLK
t
BCLKH
t
BCLKL
MSBLSB
LSB
BCLK
(OUTPUT)
LRCLK
(OUTPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
BCLK
(INPUT)
LRCLK
(INPUT)
SDOUT
(OUTPUT)
SDIN
(INPUT)
MASTER MODE
t
SETUP
t
HOLD
MSB
MSB
LSB
LSB HI-Z
SLAVE MODE
HI-Z MSB
t
CLKSYNC
t
F
t
HIZOUT
t
CLKTX
t
SYNCSET
t
HIZOUT