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Philips
Philips

TDA9582PS Datasheet Preview

TDA9582PS Datasheet

TV signal processor

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TDA9582PS pdf
INTEGRATED CIRCUITS
DDEAVITCAE SSPEHCIEFIECATTION
TDA955X/6X/8X PS/N1 series
TV signal processor-Teletext
decoder with embedded µ-Controller
Tentative Device Specification
FVielersuionnd:e1r.I6ntegrated Circuits, <Handbook>
2000 Jun 22
Previous date: 2000 Apr 06



Philips
Philips

TDA9582PS Datasheet Preview

TDA9582PS Datasheet

TV signal processor

No Preview Available !

TDA9582PS pdf
Philips Semiconductors
TV signal processor-Teletext decoder
with embedded µ-Controller
Tentative Device Specification
TDA955X/6X/8X PS/N1 series
GENERAL DESCRIPTION
The various versions of the TDA955X/6X/8X PS/N1 series
combine the functions of a video processor together with a
µ-Controller and US Closed Caption decoder. Several
versions have a Teletext decoder on board. The Teletext
decoder has an internal RAM memory for 1or 10 page text.
The ICs are intended to be used in economy television
receivers with 90° and 110° picture tubes.
The ICs have supply voltages of 8 V and 3.3 V and they
are mounted in an S-DIP 64 envelope.
The features are given in the following feature list. The
differences between the various ICs are given in the table
on page 4.
FEATURES
TV-signal processor
Multi-standard vision IF circuit with alignment-free PLL
demodulator
Internal (switchable) time-constant for the IF-AGC circuit
A choice can be made between versions with mono
intercarrier sound FM demodulator and versions with
QSS IF amplifier. In the QSS versions without
East-West output an AM/FM mode can be activated. In
that case both the QSS amplifier (for AM demodulation)
and the FM demodulator are available.
The mono intercarrier sound circuit has a selective
FM-PLL demodulator which can be switched to the
different FM sound frequencies (4.5/5.5/6.0/6.5 MHz).
The quality of this system is such that the external
band-pass filters can be omitted.
The FM-PLL demodulator can be set to centre
frequencies of 4.74/5.74 MHz so that a second sound
channel can be demodulated. In such an application it is
necessary that an external bandpass filter is inserted.
The QSS amplifier and mono intercarrier sound circuit of
some versions can be used for the demodulation of FM
radio signals
Source selection between the ‘internal’ CVBS and one
external CVBS or Y/C signal
Integrated chrominance trap circuit
Integrated luminance delay line with adjustable delay
time
Picture improvement features with peaking (with
switchable centre frequency, depeaking, variable
positive/negative overshoot ratio and video dependent
coring) and blue- and black stretching
Integrated chroma band-pass filter with switchable
centre frequency
Only one reference (12 MHz) crystal required for the
µ-Controller, Teletext- and the colour decoder
PAL/NTSC or multi-standard colour decoder with
automatic search system
Internal base-band delay line
Indication of the Signal-to-Noise ratio of the incoming
CVBS signal
RGB control circuit with ‘Continuous Cathode
Calibration’, white point and black level off-set
adjustment so that the colour temperature of the dark
and the light parts of the screen can be chosen
independently.
A linear RGB/YUV/YPBPR input with fast blanking for
external RGB/YUV sources. The synchronisation circuit
can be connected to the incoming Y signal. The
Text/OSD signals are internally supplied from the
µ-Controller/Teletext decoder.
Contrast reduction possibility during mixed-mode of
OSD and Text signals
Adjustable ‘wide blanking’ of the RGB outputs
Horizontal synchronization with two control loops and
alignment-free horizontal oscillator
Vertical count-down circuit
Vertical driver optimized for DC-coupled vertical output
stages
Horizontal and vertical geometry processing
Horizontal and vertical zoom function for 16 : 9
applications
Horizontal parallelogram and bow correction for large
screen picture tubes
Low-power start-up of the horizontal drive circuit
2000 Jun 22
2


Part Number TDA9582PS
Description TV signal processor
Maker Philips
Total Page 30 Pages
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