Datasheet

RESETTIMING(RESET)
t
w(RESET)
Earliesttime
thathardmute
couldbeexited
RESET
VALID
t
d(VALID_LOW)
t
d(I2C_ready)
Startsystem
t
d(run)
Systeminitialization.
EnableviaI C.
2
T0029-05
POWER-DOWN(PDN)TIMING
PDN
VALID
t
d(STARTUP)
t
d(VALID_LOW)
T0030-04
t
w
TAS5706A
TAS5706B
SLOS606D–MARCH2009–REVISEDSEPTEMBER2009............................................................................................................................................. www.ti.com
Controlsignalparametersoverrecommendedoperatingconditions(unlessotherwisenoted)
PARAMETERMINTYPMAXUNIT
t
d(VALID_LOW)
TimetoassertVALID(resettopowerstage)low300ns
t
w(RESET)
Pulseduration,RESETactive 1ms
t
d(I2C_ready)
TimetoenableI
2
C3.5ms
t
d(run)
Devicestart-uptime(afterstart-upcommandviaI
2
C)10ms
NOTE:Onpowerup,itisrecommendedthattheTAS5706A/BRESETbeheldLOWforatleast100µsafterDVDDhas
reached3.0V.RESETassertionisignoredifappliedwhilepartispowereddown
Figure4.ResetTiming
Controlsignalparametersoverrecommendedoperatingconditions(unlessotherwisenoted)
PARAMETERMINTYPMAXUNIT
t
d(VALID_LOW)
TimetoassertVALID(resettopowerstage)low725µs
t
d(STARTUP)
Devicestartuptime120ms
t
w
Minimumpulsedurationrequired800ns
NOTE:PDNZassertionisignoredifappliedwhenpartisinRESET
Figure5.Power-DownTiming
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ProductFolderLink(s):TAS5706ATAS5706B
TAS5706A is Not Recommended for New Designs