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TDA8204B Datasheet

  • TDA8204B

  • NICAM DECODER

  • 229.57KB

  • 12頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA8204B
NICAM DECODER
.
.
.
.
.
.
.
HIGHLY INTEGRATED TWO-CHIP SOLU-
TION FOR NICAM DEMODULATION (using
TDA8205 QSPK)
DATA AND SOUND RECOVERY ACCORDING
TO EBU SPB 424 SPECIFICATIONS
I
2
S INTERFACE FOR DIGITAL AUDIO PUR-
POSES (14-bit samples, 32kHz word select
clock, 896kHz serial clock)
4 TIMES UP SAMPLING DIGITAL FILTER
AND NOISE SHAPER
I
2
C INTERFACE FOR MICROCONTROLLER
SOFTWARE DRIVE
PAY TV APPLICATION CAPABILITIES
AUTOMATIC ERROR MONITORING
(programmable error rate limit)
SHRINK 42
(Plastic Package)
ORDER CODE :
TDA8204B
PIN CONNECTIONS
GND
DACDR
DACDL
SERI
1
2
3
4
5
6
7
8
9
10
11
12
13
42
41
CK11648
TEST2
CK728
NDI
GND
TEST
TEST1
SEL0
SEL1
DV
40
39
38
37
36
V
DD
RSW
HA0
TEST0
US2
US1
US0
SCL
SDA
SD
35
34
33
32
31
30
V
DD
ADV
PDV
FID
DDO
DDI
GND
14
15
16
17
18
29
28
27
26
25
DESCRIPTION
The TDA8204B performs two main functions, first
one is NICAM decoding, second one is audio signal
recovery (DAC) combined with audio signal switch-
ing (Matrix). An I
2
S output is provided for digital
audio when required and all functions of both the
TDA8204B and the TDA8205 are accessed via an
on-chip I
2
C bus interface. The I
2
S interface can be
used as an input for converting to analog some I
2
S
digital sound.
November 1994
SCK
WS
V
DD
C4
C3
C2
C1
MUTE
RESET
8204B-01.EPS
19
20
21
24
23
22
ER
GND
1/12

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