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TDA9819

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 ha...

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SeekIC No. : 004516963 Detail

TDA9819: 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 ...

TDA9819 Data Sheet

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Part Number:
TDA9819
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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
· Gain controlled IF-amplifier
· Mixer for DVB-IF
· VCO for QAM carrier recovery
· External VCO control for DVB
· Internal and external AGC for DVB
· DVB output level adjust via AGC adjust
· High level DVB operational output amplifier.
    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



Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VP supply voltage (pin 29) maximum chip temperature
of +120 °C; note 1
 0 5.5 V
Vi Vi voltage at pins 1 to 9, 11 to 19,
22, 23 and 28 to 32
   0 VP V
ts(max) maximum short-circuit time   - 10 s
V19 tuner AGC output voltage   0 13.2 V
Tstg storage temperature   -25 +150 °C
Tamb operating ambient temperature   -20 +70 °C
Vesd electrostatic handling voltage note 2 -300 +300 v



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.




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