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AD723ARUZ
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AD723ARUZ

  • Category:Analog switch
  • Product Name:2.7 V to 5.5 V RGB-to-NTSC/PAL encoder with load detection and input impedance switching
  • Manufacturers:Analog Devices
  • Production Batch Number:15+
  • Encapsulation:28 ld TSSOP
  • Stock Status:There is stock
  • Stock Quantity:3560
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the AD723ARUZ
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  • Product introduction

Advantages and features

  • Low-cost, fully integrated NTSC/PAL solution
  • Composite and Y/C (S-video) outputs
  • The current output drives a 75 Ω load
    DC coupling: Supports TV load detection
    There are no large AC coupling capacitors at the output
    Shut down the no-load output driver by itself
  • The impedance at the RGB terminal is enabled by a three-way switch
  • Integrated delay line and autotune filter
  • Eliminate crosstalk artifacts with a luminance notch
  • 3 V supply operation, low power consumption
    Composite signal active: less than 100 mW typical
    S-Video active: less than 150 mW (typical)
    Shutdown current: less than 1 μA
  • Product details

    AD723It is a low-cost RGB to NTSC/PALencoder, which converts analog red, green, and blue component signals into corresponding luminance and chrominance signals for display on NTSC or PAL televisions. Luminance (Y) and chrominance (C) signals can be used independently for S-video or combined for composite video (CV). All outputs are available independently and optimized for driving 75 Ω load. To reduce power dissipation, the device uses active-terminal impedance.

    The intelligent load detection feature shuts down unused outputs and can be used to monitor the presence of external TV signals for plug-and-play operation. In addition, a logic-controlled three-way switch at the input solves the application problem of providing different load conditions when the RGB monitor is off. When the RGB monitor is not present, the user can enable impedances at R, G, and B. When an RGB monitor is operating, this solution ensures that there is no loss of video bandwidth.

    In PC applications, the graphics controller provides flicker filter support and direct access to memory. Underscan compensation for applications other than video or DVD can be supported by selecting the appropriate RGB output clock and synchronization interval.

    An optional luminance notch (YTRAP) can be used to reduce crosstalk artifacts caused by subcarrier frequency information in the Y signal.

    The AD723 is available in a 28-lead TSSOP package and operates from supplies from 2.7 V to 5.5 V.

andAD723ARUZRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
AD725ARZ-R7 Analog Devices 15+ 16 ld SOIC - RGB to NTSC/PAL encoder
AD723-EBZ Analog Devices 15+ 28 ld TSSOP 2.7 V to 5.5 V RGB-to-NTSC/PAL encoder with load detection and input impedance switching
AD723WARUZ-RL7 Analog Devices 15+ 28 ld TSSOP 2.7 V to 5.5 V RGB-to-NTSC/PAL encoder with load detection and input impedance switching
AD723ARUZ-REEL7 Analog Devices 15+ 28 ld TSSOP 2.7 V to 5.5 V RGB-to-NTSC/PAL encoder with load detection and input impedance switching
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