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ZXFV4583

Features: • PAL, NTSC, SECAM• Variable filter for optimal accuracy• Sync outputs: composite, horizontal, vertical, back porch, odd/even• No-signal detector• On chip sample / hold capacitors• +5V single supply• Default vertical output where there are no ser...

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SeekIC No. : 004552392 Detail

ZXFV4583: Features: • PAL, NTSC, SECAM• Variable filter for optimal accuracy• Sync outputs: composite, horizontal, vertical, back porch, odd/even• No-signal detector• On chip sam...

ZXFV4583 Data Sheet

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Part Number:
ZXFV4583
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: 2024/11/23

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Product Details

Description



Features:

• PAL, NTSC, SECAM
• Variable filter for optimal accuracy
• Sync outputs: composite, horizontal, vertical, back porch, odd/even
• No-signal detector
• On chip sample / hold capacitors
• +5V single supply
• Default vertical output where there are no serration pulses
• Pin and layout compatible with part EL4583 in SO16N surface mount package


Application

• Digital image capture
• Video input systems requiring separation of picture timing
• Video distribution
• CCTV surveillance
• Digital multimedia
• Timing for black level clamp


Specifications

Supply voltage VCC                              -0.5V to +7V
Inputs to ground*                      -0.5V to VCC +0.5V
Operating temperature range             -40 to 85
Storage                                           -65 to +150
Operating ambient junction temperature TJMAX150C**
**The thermal resistance from the semiconductor die to ambient is typically 120C/W when the SO16 package is mounted on a PCB in free air. The power dissipation of the device when loaded must be designed to keep the device junction temperature below TJMAX.
*During power-up and power-down, these voltage ratings require that signals be applied only when the power supply is connected.



Description

The ZXFV4583 provides the ability to separate out video synchronization signals for a wide variety of TV and CRT display systems, standard and non-standard.

Flexibility arises from the use of just three external resistors to adapt to each application. One resistor controls a fully integrated internal color carrier filter with variable bandwidth. This filter avoids disturbance from the color carrier, permitting accurate threshold slicing for timing extraction.

A second resistor controls the voltage threshold for loss of signal detection after a time-out interval. The third resistor controls the timing functions.

DC restoration for displays is facilitated by the Back Porch synch output, which can be used to drive an external circuit to clamp the blanking voltage to a fixed level.




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