Texas Instruments DEM-DAI3793A Stereo Receiver User Manual


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V
COM
AIN3L
AIN2L
AIN1L
AIN2R
AIN3R
AIN1R
MICB
DS
ADC
BCK
DIN
DOUT LRCK
MS/
ADR
MC/
SCL
MD/
SDA
MODE
SerialInterface(SPI/I C)
2
SCKI
AudioInterface
V
PA
PGND V
CC
AGND
V
DD
DGND
HPOL/
LOL
HPOR/
LOR
SPOLP
SPOLN
SPORP
SPORN
HDTI
MUX1
DAL
ADL
DAR
HPCOM/
MONO
COM
HPR
HPL
HPC
LOUT
ROUT
+30dBto
12dB-
+30dBto
12dB-
PG5
V
IO
MONO
MCB
COM
PG1
PG3
PG4
MONO
ADR
D2S
MUX3
MUX2
MUX4
0dBto
21dB-
0dBto
21dB-
PG6
PG2
0dB/
+20dB
0dB/
+20dB
Digital
Filter
Digital
Filter
Digital
Filter
Digital
Filter
MXL
MXR
HPOR
HPOL
COM
V
COM
ATP
(0dBto 62dB,Mute)-
DGC
(0dB/+6dB/+12dB/+18dB)
SilentPopNoise
Controller
ModuleofPossiblePowerUp/Down
PCM3794AhasnoSpeakerOutput
SW1
SW2
SW3
SW6
SW5
SW4
V
COM
PowerOn
Reset
Power
Up/Down
Manager
Clock
Manager
AnalogInputR-Channel
AnalogInputL-Channel
ATR
(Mute)
DS
ADC
DS
DAC
DS
DAC
+
+
+
+6dBto
70dB-
+6dBto
70dB-
+6dBto 70dB-
+6dBto 70dB-
SPL
SPR
1
2
3
MicBias
GainControlforADCInputOptions
Figure3-8showstheEVMmodulesthatcorrespondtotherecordfunction.
Figure3-8.EVMModulesCorrespondingtoRecordFunction
GainControlforADCInputOptions
MovetheL-ch(PG3)andR-ch(PG4)sliderstoadjustthegainoftheincominganalogsignalinputstothe
ADC.
•TheL-chslidermanipulatestheprogrammablegainamp(PG3)placedinfrontoftheADC.
•TheR-chslidercontrolstheprogrammablegainamp(PG4)placedinfrontoftheADC.
DigitalMute(ATR)Options
ClicktherespectiveDigitalmute(ATR)checkboxesifamutefunctionisneededfortheADCdigitaloutput.
•ThemutecheckboxenablesadigitalsoftmuteontheADCforeachchannel.
•Mutewaitingcontrolenablesamutecontrol.
DigitalOutMuteControlOptions
SelecttheDigitaloutmutecontroldrop-downmenutoenablethemutetimecontrol.
•ApplywaitornowaitfortheADCmute.
SBAU127–July2007Set-UpGuide27
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