TAS5701
www.ti.com ...................................................................................................................................................................................................... SLOS559–JUNE 2008
BACK-END ERROR (BKND_ERR)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
TYP
MAX UNIT
tw(ER)
Pulse duration, BKND_ERR active (active-low)
350
ns
tp(valid_high)
Time to stay in the OUT_x low state. After tp(valid_high), the TAS5701 attempts to bring
the system out of the OUT_x low state if BKND_ERR is high.
300
350
ms
ns
tp(valid_low)
Time TAS5701 takes to bring OUT_x low after BKND_ERR assertion.
tw(ER)
BKND_ERR
VALID
Normal
Operation
Normal
Operation
tp(valid_high)
tp(valid_low)
T0031-04
Figure 7. Error Recovery Timing
MUTE TIMING (MUTE)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
TYP
1024
MAX UNIT
td(VOL)
Volume ramp time. Ramp time = Number of steps × stepsize(1)
steps
(1) Stepsize = 4 LRCLKs (for 32–48 kHz sample rate); 8 LRCLKs (for 88.2–96 kHz sample rate); 16 LRCLKs (for 176.4–192 kHz sample
rate)
MUTE
Normal
Normal
Operation
VOLUME
Operation
td(VOL)
td(VOL)
50-50
Duty Cycle
T0032-03
Figure 8. Mute Timing
Copyright © 2008, Texas Instruments Incorporated
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