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TDA9812

Features: · 5 V positive supply voltage· Gain controlled wide band VIF-amplifier (AC-coupled)· True synchronous demodulation with active carrier regeneration (very linear demodulation, good intermodulation figures, reduced harmonics, excellen pulse response)· Gated phase detector for L/L accent st...

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SeekIC No. : 004516956 Detail

TDA9812: Features: · 5 V positive supply voltage· Gain controlled wide band VIF-amplifier (AC-coupled)· True synchronous demodulation with active carrier regeneration (very linear demodulation, good intermod...

TDA9812 Data Sheet

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Part Number:
TDA9812
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 positive supply voltage
· Gain controlled wide band VIF-amplifier (AC-coupled)
· True synchronous demodulation with active carrier
     regeneration (very linear demodulation, good
      intermodulation figures, reduced harmonics, excellen pulse response)
· Gated phase detector for L/L accent standard
· VCO frequency switchable between L and L accent
    (alignment external) picture carrier frequency
· Separate video amplifier for sound trap buffering with high video bandwidth
· VIF AGC detector for gain control, operating as peak
     sync detector for B/G (optional external AGC) and peak
     white detector for L; signal controlled reaction time for L
· Tuner AGC with adjustable Take Over Point (TOP)
· AFC detector without extra reference circuit
· AC-coupled limiter amplifier for sound intercarrier signal
· Alignment-free FM-PLL demodulator with high linearity,
    switchable de-emphasis for FM
· AM-SIF AGC detector for gain controlled SIF amplifier
· AM demodulator without extra reference circuit
· Stabilizer circuit for ripple rejection and to achieve
    constant output signals.



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

regeneration (very linear demodulation, good The TDA9812/T is an integrated circuit for multistandard vision IF signal processing and AM and FM sound demodulation in TV and VTR sets.




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