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LM4934 датащи(PDF) 17 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM4934
подробное описание детали  3D Audio Sub-System with Stereo Speaker, OCL/SE Stereo Headphone, Earpiece and Mono Line Level Outputs
PDF  39 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4934 датащи(HTML) 17 Page - National Semiconductor (TI)

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System Controls (Continued)
TABLE 9. Output Control (01h)
Loudspeaker Left Channel
LS_L_OUTPUT = 1
LS_L_OUTPUT = 0
Output On
Output Off
Loudspeaker Right Channel
LS_R_OUTPUT = 1
LS_R_OUTPUT = 0
Output On
Output Off
Headphone Left Channel
HP_L_OUTPUT = 1
HP_L_OUTPUT = 0
Output On
OCL = 1, Output Mute
OCL = 0, Output Mute
Headphone Right Channel
HP_R_OUTPUT = 1
HP_R_OUTPUT = 0
Output On
OCL = 1, Output Mute
OCL = 0, Output Mute
Mono Speaker Output
MONO_OUTPUT = 1
MONO_OUTPUT = 0
Output On
Output Off
Lineout
LINEOUT_OUTPUT = 1
LINEOUT_OUTPUT = 0
Output On
Output Mute
Headphone Output Mode
OCL = 1
OCL = 0
Headphone Output set to Capless
(CHP = 1/2 AV
DD)
Headphone Output Set to Cap-coupled
All Outputs
CD3=1
CD3=0
Outputs Toggled Via Register Control
All Outputs Off
TABLE 10. National 3D Enhancement Level Select (03h)
3D_LEVEL_1
3D_LEVEL_0
MIX RATIO
0
0
25%
0
1
40%
1
0
55%
1
1
70%
TABLE 11. National 3D Mode Control (04h)
3D_MODE
MODE
0
3D type 1
1
3D type 2
3D type 1: ROUT =Ri -G*LOUT3D,LOUT =Li -G*ROUT3D
3D type 2: ROUT =−Ri -G*LOUT3D,LOUT =Li +G*ROUT3D
Ri = Right Input
Li = Left Input
G = 3D gain level (Mix Ratio)
ROUT3D =Ri through the high-pass filter R3D and C3D
LOUT3D =Li through the high-pass filter R3D and C3D
www.national.com
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