Datasheet

PDN
M-State
t
su
t <300 s
p(DMSTATE)
m
T0030-01
TAS5508C
www.ti.com SLES257–SEPTEMBER 2010
4.7.4 Reset Timing (RESET)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER MIN TYP MAX UNIT
t
r(DMSTATE)
Time to M-STATE low 370 ns
t
w(RESET)
Pulse duration, RESET active 400 None ns
t
r(I2C_ready)
Time to enable I
2
C 3 ms
t
r(run)
Device start-up time 10 ms
NOTE: Because a crystal time base is used, the system determines the CLK rates. Once the data rate and master clock ratio
is determined, the system outputs audio if a master volume command is issued.
Figure 4-4. Reset Timing
4.7.5 Power-Down (PDN) Timing
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER MIN TYP MAX UNIT
t
p(DMSTATE)
Time to M-STATE low 300 ms
Number of MCLKs preceding the release of PDN 5
t
su
Device start-up time 120 ms
Figure 4-5. Power-Down Timing
Copyright © 2010, Texas Instruments Incorporated Electrical Specifications 59
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