User Guide

73
S-301
PCM1802 (IC803; 1U-3683)
PCM1803 (IC804: 1U-3683)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
IN
L
V
IN
R
V
REF
1
V
REF
2
V
CC
AGND
PDWN
BYPAS
FSYNC
LRCK
MODE1
MODE0
FMT1
FMT0
OSR
SCKI
V
DD
DGND
DOUT
BCK
PCM1802
(TOP VIEW)
block diagram
Single-End
/Differential
Converter
BCK
V
IN
L
Reference
Single-End
/Differential
Converter
V
REF1
V
REF
2
V
IN
R
5
th
Order
Delta-Sigma
Modulator
5
th
Order
Delta-Sigma
Modulator
1/64 ( 1/128)
Decimation
Filter
with
DC Cut Filter
Power Supply
AGNDV
CC
V
DD
DGND
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
LRCK
FSYNC
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
OSR
PDWN
SCKI
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
IN
L
V
IN
R
V
REF
1
V
REF
2
V
CC
AGND
PDWN
BYPAS
TEST
LRCK
MODE1
MODE0
FMT1
FMT0
OSR
SCKI
V
DD
DGND
DOUT
BCK
BLOCK DIAGRAM
BCK
V
IN
L
Reference
V
REF
1
V
REF
2
V
IN
R
DeltaœSigma
Modulator
DeltaœSigma
Modulator
ψ1/64 , ψ1/128
Decimation
Filter
With
HighœPass Filter
Power Supply
AGNDV
CC
V
DD
DGND
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
OSR
PDWN
SCKI
TEST