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SAA7283ZP PDF даташит

Спецификация SAA7283ZP изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «Terrestrial Digital Sound Decoder TDSD3».

Детали детали

Номер произв SAA7283ZP
Описание Terrestrial Digital Sound Decoder TDSD3
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SAA7283ZP Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
SAA7283
Terrestrial Digital Sound Decoder
(TDSD3)
Preliminary specification
File under Integrated Circuits, IC02
1996 Oct 24









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SAA7283ZP Даташит, Описание, Даташиты
Philips Semiconductors
Terrestrial Digital Sound Decoder
(TDSD3)
Preliminary specification
SAA7283
FEATURES
Single-chip solution including FM and vision filters,
analog demodulator and audio switching
Dual standard with automatic selection between PAL
system I and BGH including French NICAM L system)
Single low-radiation crystal oscillator for improved EMC
Stereo bitstream audio DACs
Programmable attenuator for matching levels of NICAM
and FM audio sources at the output of the device
Full EBU NICAM 728 specification demodulation and
decoding
Digital Audio Interface conforming with EBU/IEC 958
Automatic mute function which switches from NICAM to
FM sound when NICAM fails
Compatible with either single-ended or differential
DQPSK input signals
Microcomputer controlled via I2C-bus (up to 400 kHz
specification).
APPLICATIONS
Television receivers
Video cassette recorders.
GENERAL DESCRIPTION
The SAA7283 is a NICAM receiver solution, developing
the well established high quality Terrestrial Digital Sound
decoder family from Philips Semiconductors.
This innovative IC with analog front-end, offers more
impressive features and flexibility with minimum external
circuitry.
The SAA7283 takes, as input, a second IF (intercarrier)
Terrestrial TV PAL signal, and performs all the Differential
Quadrature Phase Shift Keying (DQPSK) demodulation,
digital decoding and digital-to-analog conversion
necessary to produce a complete NICAM receiver on a
single integrated circuit.
The demodulator function includes integrated baseband
filters for pulse shaping and unwanted signal rejection,
automatic gain control, a low jitter integrated VCO, digital
monostable for precise data sampling points and a
multi-standard controller to enable automatic locking to
either a PAL system I or PAL system BGH input signal
(including French NICAM L system).
The decoder function performs the descrambling,
de-interleaving and reformatting operations required to
recover the original data words.
The data words are processed through a stereo digital
filter, digital de-emphasis network, second order noise
shaper and 256 times oversampling Bitstream audio DAC.
The SAA7283 then provides a switching output buffer for
selecting between FM, NICAM and daisy-chain inputs, and
a programmable level attenuation matrix for matching
levels of the FM and NICAM audio sources at the output of
the device. An additional feature is the inclusion of a Digital
Audio Interface (DAI) output IEC 958, which may be
disabled if required.
ORDERING INFORMATION
TYPE
NUMBER
SAA7283ZP
SAA7283GP
NAME
SDIP52
QFP64
PACKAGE
DESCRIPTION
plastic shrink dual in-line package; 52 leads (600 mil)
plastic quad flat package; 64 leads (lead length 1.95 mm);
body 14 × 20 × 2.8 mm
VERSION
SOT247-1
SOT319-2
1996 Oct 24
2









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SAA7283ZP Даташит, Описание, Даташиты
Philips Semiconductors
Terrestrial Digital Sound Decoder (TDSD3)
Preliminary specification
SAA7283
QUICK REFERENCE DATA
SYMBOL
VDD
IDD
fclk
Tamb
PARAMETER
supply voltage
supply current
clock frequency
operating ambient temperature
MIN.
4.5
20
TYP.
5.0
205
8.192
+25
MAX.
5.5
+70
UNIT
V
mA
MHz
°C
1996 Oct 24
3










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Номер в каталогеОписаниеПроизводители
SAA7283ZPTerrestrial Digital Sound Decoder TDSD3NXP Semiconductors
NXP Semiconductors

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