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r
IC Block Diagram – Audio Section –
IC312 BH3863F-E2
1
BASS1
2
SIMOUT1
3
SIMIN1
24
TRE1
22
BOUT1
23
BIN1
OUT1
17
16
15
14
CAP
OUT2
BOUT2
BIN2
8
ALCC
4
IN1
BASS
DINAMIC
BASS
FILTER
20
21
SI
19
SCK
18
DBC
5
VCC
6
FIL
TER
7
GND
DIGITAL
CONTROL
TREBLE
VOL
9
IN2
10
SIMIN2
11
SIMOUT2
12
BASS2
BASS
VOL
0dB/6dB
0dB/6dB
13
TRE2
DINAMIC
BASS
FILTER
TREBLE
r
IC Block Diagram – DG Section –
IC603 PCM3003E/T2
MODE CONTROL
INTERFACE
ANALOG
LOW-PASS
FILTER
POWER
SUPPLY
1
2
3
4
5
24
23
22
21
20
19
18
17
16
15
14
13
6
7
8
9
10
11
12
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
A/D
CONVERTER
VCC1
VCC2
AGND1
AGND2
VCOM
VOUTR
VOUTL
DEM0
DEM1
20BIT
DIN
VDD
DGND
VCC1
VINR
VERF1
VERF2
VINL
PDAD
PDDA
SYSCK
LRCK
BCK
DOUT
INTERPOLATION
FILTER
OVERFLOWING
ANALOG
LOW-PASS
FILTER
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
SERIAL
INTERFACE
ANALOG
FRONT-END
CIRCUIT
ANALOG
FRONT-END
CIRCUIT
RESET AND
POWER DOWN
CLOCK
REFERENCE
DECIMATION
&
LOW CUT FILTER
DECIMATION
&
LOW CUT FILTER
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
INTERPOLATION
FILTER
OVERFLOWING
(+) (-)
(+) (-)