Philips Semiconductors
Product specification
Multistandard vision and sound-IF PLL with
DVB-IF processing
FEATURES
•
5 V supply voltage
•
Applicable for IF frequencies of 38.9 MHz and
45.75 MHz
•
Two switched VIF inputs, gain controlled wide band
VIF-amplifier (AC-coupled)
•
True synchronous demodulation with active carrier
regeneration (very linear demodulation, good
intermodulation figures, reduced harmonics and
excellent pulse response)
•
VCO frequency switchable between TV (M or BG/L)
IF-picture carrier and Digital Video Broadcast (DVB)
frequency
•
Separate video amplifier for sound trap buffering with
high video bandwidth
•
VIF AGC detector for gain control, operating as peak
sync detector for M and B/G and peak white detector for
L; controlled reaction time for L
•
Tuner AGC with adjustable takeover point (TOP)
•
AFC detector without extra reference circuit
•
SIF input for single reference QSS mode
(PLL controlled); SIF AGC detector for gain controlled
SIF amplifier; single reference QSS mixer able to
operate in high performance single reference QSS
mode
•
AC-coupled limiter amplifier for sound intercarrier signal
•
Alignment-free FM-PLL demodulator with high linearity
•
AM demodulator without extra reference circuit
•
Stabilizer circuit for ripple rejection and to achieve
constant output signals.
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
NAME
TDA9819
TDA9819T
SDIP32
SO32
DESCRIPTION
plastic shrink dual in-line package; 32 leads (400 mil)
plastic small outline package; 32 leads; body width 7.5 mm
DVB functions
•
Gain controlled IF-amplifier
•
Mixer for DVB-IF
•
VCO for QAM carrier recovery
•
External VCO control for DVB
•
Internal and external AGC for DVB
TDA9819
•
DVB output level adjust via AGC adjust
•
High level DVB operational output amplifier.
GENERAL DESCRIPTION
The TDA9819 is an integrated circuit for multistandard
vision and sound-IF signal processing with single
reference PLL demodulator combined with the signal
stages for DVB-IF processing.
VERSION
SOT232-1
SOT287-1
1998 Jul 14
2
PHILIPS [ NXP SEMICONDUCTORS ]
