Datasheet

VOLUMEREGISTERS(0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D)
VOLUMECONFIGURATIONREGISTER(0x0E)
TAS5706A
TAS5706B
SLOS606D–MARCH2009–REVISEDSEPTEMBER2009............................................................................................................................................. www.ti.com
Stepsizeis0.5dB.
Mastervolume–0x07(defaultismute)
Channel-1volume–0x08(defaultis0dB)
Channel-2volume–0x09(defaultis0dB)
Channel-3volume–0x0A(defaultis0dB)
Channel-4volume–0x0B(defaultis0dB)
Headphonevolume–0x0C(defaultis0dB)
Channel-6volume–0x0D(defaultis0dB)
(subwoofer)
Table10.VolumeRegister
D7D6D5D4D3D2D1D0FUNCTION
0000000024dB
001100000dB(defaultforindividualchannelvolume)
(1)
11111110–100dB
11111111MUTE(defaultformastervolume);50%dutycycleatoutput–SOFTMUTE
(1)
(1)Defaultvaluesareinbold.
BitD7:Reserved=1
BitD6:If0,thenbiquad1(BQ1)volumecompensationpartonlyisdisabled(default).If1,thenBQ1
volumecompensationisenabled.
BitD4:Reserved=1
BitD3:Reserved
BitsD2–D0:Volumeslewrate(UsedtocontrolvolumechangeandMUTEramprates)
Table11.VolumeControlRegister(0x0E)
D7D6D5D4D3D2D1D0FUNCTION
1–––––––Reserved(mustbe1)
–0––––––Disablebiquadvolumecompensation
(1)
–1––––––Enablebiquadvolumecompensation
––0–––––Reserved
(1)
–––1––––Reserved(mustbe1)
(1)
––––0–––Reserved
(1)
–––––000Volumeslew512steps(44msvolumeramptime)
–––––001Volumeslew1024steps
(1)
(88msvolumeramptime)
–––––010Volumeslew2048steps(176msvolumeramptime)
–––––011Volumeslew256steps(22msvolumeramptime)
–––––1XXReserved
(1)Defaultvaluesareinbold.
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TAS5706A is Not Recommended for New Designs