AD725AR-REEL7
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Analog Devices Inc. AD725AR-REEL7

Manufacturer No:
AD725AR-REEL7
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC ENCODER RGB TO NTSC 16-SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD725AR-REEL7 is a low-cost, general-purpose RGB to NTSC/PAL encoder produced by Analog Devices Inc. This component is designed to convert red, green, and blue color component signals into their corresponding luminance (baseband amplitude) and chrominance (subcarrier amplitude and phase) signals, adhering to either NTSC or PAL standards. The AD725AR-REEL7 is particularly useful in applications requiring the conversion of digital RGB signals to analog video formats, making it a versatile component in various electronic systems.

Key Specifications

Parameter Conditions Min Typ Max Units
Input Amplitude Full Scale SIGNAL INPUTS (RIN, GIN, BIN) 0.714 mV p-p
Black Level SIGNAL INPUTS (RIN, GIN, BIN) 0.8 V
Input Resistance SIGNAL INPUTS (RIN, GIN, BIN) 1 MΩ
Input Capacitance SIGNAL INPUTS (RIN, GIN, BIN) 5 pF
Logic Low Input Voltage LOGIC INPUTS (HSYNC, VSYNC, 4FSC, CE, STND) 1 V
Logic High Input Voltage LOGIC INPUTS (HSYNC, VSYNC, 4FSC, CE, STND) 2 V
Luminance Bandwidth, –3 dB VIDEO OUTPUTS 4.4 (NTSC) 5.2 (PAL) MHz
Gain Error VIDEO OUTPUTS -7 +7 %
Operating Temperature -40 +85 °C
Package Type 16-Lead SOIC

Key Features

The AD725AR-REEL7 features several key functionalities that make it a robust and versatile component:

  • Composite Video Output: Supports both NTSC and PAL standards.
  • Chrominance and Luminance Outputs: Provides separate outputs for chrominance and luminance signals, also known as S-Video outputs.
  • Luma Trap Port: Includes a luminance trap port to eliminate cross-color artifacts.
  • TTL Logic Levels: Accepts standard TTL logic levels for timing control.
  • Integrated Delay Line and Auto-Tuned Filters: Ensures accurate timing and signal processing.
  • Low Power Operation: Operates at +5 V with low power consumption and power-down to less than 1 μA.
  • High Drive Capability: Drives 75 Ω, reverse-terminated loads.

Applications

The AD725AR-REEL7 is suitable for a variety of applications, including:

  • RGB/VGA to NTSC/PAL Encoding: Ideal for converting digital RGB signals to analog video formats.
  • Personal Computers and Network Computers: Used in PC and network computer systems for video output.
  • Video Games: Utilized in gaming consoles for video encoding.
  • Video Conference Cameras: Employed in video conferencing equipment for high-quality video transmission.
  • Digital Still Cameras: Used in digital cameras for video output capabilities.

Q & A

  1. What is the primary function of the AD725AR-REEL7?

    The AD725AR-REEL7 is a low-cost, general-purpose RGB to NTSC/PAL encoder that converts red, green, and blue color component signals into their corresponding luminance and chrominance signals.

  2. What are the supported video standards for the AD725AR-REEL7?

    The AD725AR-REEL7 supports both NTSC and PAL video standards.

  3. What is the purpose of the luma trap port on the AD725AR-REEL7?

    The luma trap port is used to eliminate cross-color artifacts in the video signal.

  4. What type of logic levels does the AD725AR-REEL7 accept?

    The AD725AR-REEL7 accepts standard TTL logic levels for timing control.

  5. What is the operating voltage and power consumption of the AD725AR-REEL7?

    The AD725AR-REEL7 operates at +5 V and has low power consumption, with power-down to less than 1 μA.

  6. What is the significance of the -REEL7 suffix in the part number?

    The -REEL7 suffix indicates that the parts are shipped on a 7-inch reel.

  7. What are some common applications of the AD725AR-REEL7?

    The AD725AR-REEL7 is used in personal computers, network computers, video games, video conference cameras, and digital still cameras.

  8. How does the AD725AR-REEL7 handle timing and signal processing?

    The AD725AR-REEL7 uses an external frequency reference and integrated delay lines and auto-tuned filters to ensure accurate timing and signal processing.

  9. What is the drive capability of the AD725AR-REEL7?

    The AD725AR-REEL7 can drive 75 Ω, reverse-terminated loads.

  10. What is the package type of the AD725AR-REEL7?

    The AD725AR-REEL7 is packaged in a 16-Lead SOIC.

Product Attributes

Type:Video Encoder
Applications:RGB to NTSC/PAL
Voltage - Supply, Analog:- 
Voltage - Supply, Digital:4.75V ~ 5.25V
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
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Similar Products

Part Number AD725AR-REEL7 AD725AR-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete
Type Video Encoder Video Encoder
Applications RGB to NTSC/PAL RGB to NTSC/PAL
Voltage - Supply, Analog - -
Voltage - Supply, Digital 4.75V ~ 5.25V 4.75V ~ 5.25V
Mounting Type Surface Mount Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC 16-SOIC

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