Samsung DVD-807K, Service Manual

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6-24 Samsung Electronics
6-14 DIGITAL-TO-ANALOG CONVERTER (AIC1(Rev.1), AIC2 ; PCM 1720)
1
2
3
4¡
5¡
6¡
7¡
8
9
1 0
1 1
1 2
1 3
1 4¡
1 5¡
1 6¡
1 7
1 8
1 9
2 0
N C
SCKI
T E S T
M L
M C
M D
R S T B
Z E R O
V
O U T
R
A G H D
V
C C
V
O U T
L
C A P
BCKIN
DIN
L R C I N
N C
N C
V
D D
D G N D
N A M E
Low-pass
Filter
V
OUT
L
CAP
V
OUT
R
ZERO
Multi-level
Dalta-Sigma
Modulator
BPZ-Cont.
SCKI
256fs/384fs
Low-pass
Filter
DAC
BLOCK DIAGRAM
PIN ASSIGNMENT
8X Oversampling
Digital Filter
with Function
Controller
Multi-level
Dalta-Sigma
Modulator
Serial
Input
I/F
Mode
Control
I/F
Power Supply
Open Drain
BCKIN
LRCIN
DIN
ML
MC
MD
RSTB
DAC
V
CC
AGND V
DD
DGND
PIN I/O
-
IN
O U T
IN
IN
IN
IN
O U T
O U T
P W R
P W R
O U T
-
IN
IN
IN
-
-
P W R
P W R
F U N C T I O N
No Connection.
System Clock input: 256fs or 384fs.
Reserved for Factory Use.
Latch Enable for Serial Control Data.
Clock for Serial Control Data.
Data Input for Serial Control.
Reset Input. When this pin is low, the digital filters and modulators are held in reset.
Zero Data Flag. This pin is low when the data is continuously zero for more than
65,535 cycles ro BCKIN.
Right Channel Analog Output.
Analog Ground.
Analog Power Supply (+5V).
Left Channel Analog Output.
Common Pin for Analog Output Amplifiers.
Bit Clock for Clocking in the Audio Data.
Serial Audio Data input.
Left/Right Word Clock. Frequency is equal to fs.
No Connection.
No Connection.
Digital Power 5V). Recommended connection is to the analog power supply.
Digital Ground. Recommended connection is to the digital ground plane.
¡These pins include internal pull-up resistors.