Specifications

ADAU1592
Rev. A | Page 5 of 24
DIGITAL TIMING
Table 5.
Parameter Min Typ Unit Test Conditions/Comments
t
WAIT
0.01
1
1000
2
ms Wait time for unmute
t
INT
650 ms Internal mute time
t
HOLD
10
1
250
3
μs Wait time for shutdown
t
OUTx+/OUTx− SW
200 μs
Time delay after
MUTE held high until output starts switching
t
OUTx+/OUTx− MUTE
200 μs
Time delay after
MUTE held low until output stops switching
1
t
WAIT MIN
and t
HOLD MIN
are the minimum times for fast turn-on and do not guarantee pop-and-click suppression.
2
t
WAIT TYP
is the recommended value for minimum pop and click during the unmute of the amplifier. The recommended value is 1 sec. It is calculated using the input
coupling capacitor value and the input resistance of the device. See the Power-Up/Power-Down Sequence section.
3
t
HOLD TYP
is the recommended value for minimum pop and click during the mute of the amplifier.
06749-002
STDN
MUTE
OUTx+/OUTx–
t
WAIT MIN
INTERNAL MUTE
NOTES
1. INTERNAL MUTE IS INTERNAL TO CHIP.
t
INT
t
HOLD MIN
Figure 2. Timing Diagram (Minimum)
06749-003
NOTES
1. INTERNAL MUTE IS INTERNAL TO CHIP.
STDN
MUTE
OUTx+/OUTx–
t
WAIT TYP
t
HOLD TYP
INTERNAL MUTE
t
INT
t
OUTx+/OUTx– SW
t
OUTx+/OUTx– MUTE
Figure 3. Timing Diagram (Typical)