24TQFN-EP Просмотр технического описания (PDF) - Maxim Integrated
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24TQFN-EP Datasheet PDF : 39 Pages
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16-Bit Mono Audio Voice Codec
DIGITAL AUDIO INTERFACE ELECTRICAL CHARACTERISTICS
(VDVDD = VDVDDIO = 1.8V, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
BCLK Cycle Time
tBCLKS Slave operation
75
BCLK High Time
tBCLKH Slave operation
30
BCLK Low Time
tBCLKL Slave operation
30
BCLK or LRCLK Rise and Fall
Time
tR, tF Master operation
SDIN or LRCLK to BCLK Rising
Setup Time
tSU
ABCI = DBCI = 0
25
SDIN or LRCLK to BCLK Falling
Setup Time
tSU
ABCI = DBCI = 1
25
SDIN or LRCLK to BCLK Rising
Hold Time
tHD
ABCI = DBCI = 0
0
SDIN or LRCLK to BCLK Falling
Hold Time
tHD
ABCI = DBCI = 1
0
SDOUT Delay Time from BCLK
Rising Edge
tDLY ABCI = DBCI = 0, CL = 30pF
0
TYP MAX UNITS
ns
ns
ns
7
ns
ns
ns
ns
ns
40
ns
I2C INTERFACE ELECTRICAL CHARACTERISTICS
(VDVDD = VDVDDIO = 1.8V, unless otherwise noted.) (Note 2)
PARAMETER
Serial-Clock Frequency
Bus Free Time Between STOP
and START Conditions
SYMBOL
fSCL
tBUF
CONDITIONS
Hold Time (Repeated) START
Condition
tHD,STA
SCL Pulse Width Low
SCL Pulse Width High
Setup Time for a Repeated
START Condition
tLOW
tHIGH
tSU,STA
Data Hold Time
Data Setup Time
SDA and SCL Receiving
Rise Time
tHD,DAT
tSU,DAT
tR
CB is in pF
SDA and SCL Receiving
Fall Time
tF
CB is in pF
MIN TYP MAX UNITS
0
400
kHz
1.3
µs
0.6
1.3
0.6
0.6
0
100
20 + 0.1CB
µs
µs
µs
µs
900
ns
ns
300
ns
20 + 0.1CB
300
ns
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