Casio ZD-3 Service Manual page 51

IC501: PCM3003E-T2
13
24
1 12
Analog
6 Front-end
VINL
Circuit
VREF1 4
Reference
VCOM 21
VREF2
5
Analog
3
Front-end
VINR
Circuit
Analog
19 Low-pass
VOUTL
Filter
Analog
VOUTR 20
Low-pass
Filter
22 24
AGND2 V 2 AGND1 V
CC
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(+)
Delta-sigma
Modulator
(-)
(+)
Delta-sigma
Modulator
(-)
Multi-level
Delta-sigma
Modulator
Multi-level
Delta-sigma
Modulator
Power Supply
23 1 2 13
1 V 1 DGND VDD
CC CC
49
Decimation
&
Low Cut Filter
ADC
Decimation
&
Low Cut Filter
Interpolation
Filter X8
Oversampling
DAC
Interpolation
Filter X8
Oversampling
Clock
14 9
SYSCK
10
LRCIN
11
BCKIN
Serial
Interface
15
DIN
12
DOUT
66 20BIT
Mode
Control 18
DEM0
Interface
17
DEM1
7
/PDAD
Reset and
Power
Down
8
/PDDA