Datasheet

t
d(VOL)
HP Volume
HP_SEL
Spkr Volume
t
(SW)
T0033-02
t
d(VOL)
t
d(VOL)
t
d(VOL)
t
(SW)
t
w(HP_SEL)
TAS5548
SLES270 –NOVEMBER 2012 www.ti.com
7.7.8 Headphone Select (HP_SEL)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER MIN TYP MAX UNIT
t
w(HP_SEL)
Pulse duration, HP_SEL active 165 ms
Defined by rate
t
d(VOL)
Soft volume update time ms
setting
(1)
t
(SW)
Switchover time 165 ms
(1) See the Volume, Treble, and Base Slew Rates Register (0xD0) section.Section 11.35.
Figure 7-8. HP_SEL Timing
7.7.9 Volume Control
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN MAX UNIT
Individual volume, master volume, or a
Maximum attenuation before mute –127 dB
combination of both
Maximum gain Individual volume, master volume 18 dB
Maximum volume before the onset of clipping 0-dB input, any modulation limit 0 dB
PSVC range PSVC enabled 12, 18, or 24 dB
PSVC rate f
S
PSVC modulation Single sided
PSVC quantization 2048 Steps
6% 95%
PSVC PWM modulation limits PSVC range = 24 dB dB
(120 : 2048) (1944 : 2048)
54 Electrical Specifications Copyright © 2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: TAS5548