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TDA4650

Features: ` Identification automatic standard identification by sequential inquiry secure SECAM identification at 50 Hz only, with PAL priority four switched outputs for chrominance filter selection and display control external service switch for oscillator adjustment` PAL / NTSC demodulation H (b...

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SeekIC No. : 004516361 Detail

TDA4650: Features: ` Identification automatic standard identification by sequential inquiry secure SECAM identification at 50 Hz only, with PAL priority four switched outputs for chrominance filter selection...

TDA4650 Data Sheet

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Part Number:
TDA4650
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/12

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Product Details

Description



Features:

` Identification
automatic standard identification by sequential inquiry
secure SECAM identification at 50 Hz only, with PAL priority
four switched outputs for chrominance filter selection and display control
external service switch for oscillator adjustment
` PAL / NTSC demodulation
H (burst) and V blanking
PAL switch (disabled for NTSC)
NTSC phase shift (disabled for PAL)
PLL-controlled reference oscillator
two reference oscillator crystals on separate pins with automatic switching
quadrature demodulator with subcarrier reference
` SECAM demodulation
limiter-amplifier
quadrature-demodulator with a single external reference tuned circuit
alternate line blanking, H and V blanking
de-emphasis
` Gain controlled chrominance amplifier
` ACC demodulation controlled by system scanning
` Internal colour-difference signal output filters to remove the residual subcarrier


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER MIN. MAX. UNIT
VP supply voltage (pin 13) 13.2 V V
VI input voltage range at pins 1, 3, 17 and 24 to 28 0 Vp V
IO output current (pins 1 and 3) - -5 mA
II/O input/output current (pin 25 to 28) - -5 A
Tstg storage temperature range 0 +150
Tamb operating ambient temperature range -25 +70
Rthj-a from junction to ambient in free air:
SOT117
SOT261		 -
-		 37
70		 K/W
K/W
Ptot total power dissipation (SOT117)
total power dissipation (SOT261)		 -
-		 1.4
1.1		 W
W



Description

The TDA4650 is a monolitic integrated multistandard colour decoder for PAL, SECAM and NTSC 3.58 and 4.43 MHz) with negative colour difference output signals. The colour-difference output signals are fed to the TDA4660/TDA4661, Switched capacitor delay line.




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