Datasheet

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DEM1
Analog
Front-End
Circuit
LRCIN
V
IN
L
Reference
V
REF
1
V
REF
2
V
IN
R
Delta-Sigma
Modulator
Delta-Sigma
Modulator
Decimation
and
High-Pass Filter
Power Supply
Reset and
Power Down
Serial Data
Interface
DOUT
V
COM
(+)
(−)
(−)
(+)
Mode
Control
Interface
Analog
Front-End
Circuit
Decimation
and
High-Pass Filter
ADC
BCKIN
DIN
Analog
Low-Pass
Filter
V
OUT
L
Multilevel
Delta-Sigma
Modulator
Interpolation
Filter
8× Oversampling
Analog
Low-Pass
Filter
V
OUT
R
Multilevel
Delta-Sigma
Modulator
Interpolation
Filter
8× Oversampling
DAC
DEM0
PDAD
PDDA
Clock
SYSCLKV
CC
2 AGND DGND V
DD
B0004-04
V
CC
1
PCM3006
SBAS089A – OCTOBER 2000 – REVISED OCTOBER 2004
BLOCK DIAGRAM
15