Casio ZD-1 Service Manual page 39

IC503: PCM3003E-T1
13
24
12
1
Front-end
6
VINL
VREF1 4
Reference
VCOM 21
VREF2
5
3
Front-end
VINR
19 Low-pass
VOUTL
VOUTR 20
Low-pass
22
AGND2 V
(+)
Analog
Delta-sigma
Modulator
Circuit
(-)
(+)
Analog
Delta-sigma
Modulator
Circuit
(-)
Analog
Multi-level
Delta-sigma
Filter Modulator
Multi-level
Analog
Delta-sigma
Modulator
Filter
Power Supply
24 23 1 2
2 AGND1 V 1 V 1 DGND VDD
CC CC CC
Decimation
&
Low Cut Filter
ADC
Decimation
&
Low Cut Filter
Interpolation
Filter X8
Oversampling
DAC
Interpolation
Filter X8
Oversampling
Clock
13 14 9
SYSCK
37
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