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SAA7282ZP PDF даташит

Спецификация SAA7282ZP изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «Terrestrial Digital Sound Decoder TDSD2».

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Номер произв SAA7282ZP
Описание Terrestrial Digital Sound Decoder TDSD2
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SAA7282ZP Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
SAA7282
Terrestrial Digital Sound Decoder
(TDSD2)
Product specification
File under Integrated Circuits, IC02
July 1993









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SAA7282ZP Даташит, Описание, Даташиты
Philips Semiconductors
Terrestrial Digital Sound Decoder (TDSD2)
Product specification
SAA7282
FEATURES
Full EBU NICAM 728 specification decoder
Microcomputer controlled via I2C-bus
Automatic decoding and output configuration depending
upon transmission:
– digital stereo
– digital mono and data
– 2 independent mono signals
On board RAM for de-interleaving and 10 to 14-bit word
expansion
Automatic mute function which silences the digital data
and switches to FM sound (if valid) when error rate
exceeds user definable limit
User mute function (MUTE pin) to enable user to
perform muting to their own software algorithm if
required, or to simply silence the output
4 times over-sampling digital filter
Selectable digital de-emphasis
256 times over-sampling Noise Shapers
Fully integrated 1-bit DACs
Integrated switching networks allowing selection
between NICAM Sound, FM Sound or external
“Daisy-Chain” input
Digital Audio Interface conforming with EBU/IEC 958
I2C-bus transceiver enabling a master device to read
– status information
– error count byte
– additional data bits
and write:
– switch control codes
– decoder control
– upper and lower error rate limits.
APPLICATIONS
Television receivers
Video cassette recorders.
GENERAL DESCRIPTION
Performing all digital decoding functions for a NICAM 728
digital stereo sound system, the SAA7282 is a highly
integrated CMOS circuit which only requires a DQPSK
(Differential Quadrature Phase Shift Keying) demodulator
(TDA8732) and minimum external components to achieve
a full NICAM solution.
The device may also be interfaced to other DQPSK
demodulators.
QUICK REFERENCE DATA
SYMBOL
VDD
IDD
fXTAL
Tamb
PARAMETER
positive supply voltage
supply current
crystal frequency
operating ambient temperature
MIN.
4.5
0
TYP.
5.0
50
8.192
MAX.
5.5
100
70
UNIT
V
mA
MHz
°C
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
SAA7282ZP
SAA7282GP
PINS
32
44
PIN POSITION
DIL32SHR
QFP
PACKAGE
MATERIAL
plastic
plastic
Note
1. SAA7282ZP: 32-DIL32SHR; plastic (SOT232A); SOT232-1; 1996 November 28.
2. SAA7282GP: 44-QFP; plastic (SOT205AG); SOT205-1; 1996 November 28.
July 1993
2
CODE
SOT232A(1)
SOT205AG(2)









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SAA7282ZP Даташит, Описание, Даташиты
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PORT2
SCL SDA ADSEL
3 46
5 I2C
RESET
2
DATA
NICAM
728
32 DECODING
AUTO
MUTE
DIGITAL
SWITCHING
VDAC CDL INTL
18 19 20
SAA7282ZP
1-BIT
DAC
NOISE
SHAPER
FILTER
DE-EMPH
i.c.
VDD
VSS
26
27
29
FREQ.
SYNTH.
XTAL
OSC
1 30 31 7
PCLK
XIN XOUT MUTE
DIGITAL
AUDIO
INTERFACE
28
DOBM
NOISE
SHAPER
1-BIT
DAC
17 16 15
VREF CDR INTR
VRC
25 V DDAL
24 VSSAL
23
OPL
BIAS
21
FML
22
EXTL
10
VRO
11
VRC
13
EXTR
14
FMR
VRC
12
8
9
MLB152
OPR
V DDAR
V SSAR
Fig.1 Block diagram; pin numbering for SOT232A.










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SAA7282ZPTerrestrial Digital Sound Decoder TDSD2NXP Semiconductors
NXP Semiconductors

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