ADA4411-3ARQZ-R7

Overview

The ADA4411-3ARQZ-R7 is an integrated triple video filter and buffer in a 24-lead QSOP package. It features sixth-order adjustable filters with selectable cutoff frequencies of 36 MHz, 18 MHz, or 9 MHz. The device includes 2:1 multiplexed inputs for RGB, HD/SD signals, variable gain of ×2 or ×4, and DC offset adjustment of ±0.5 V. It operates on a single +5 V supply (quiescent current 53 mA) or dual ±5 V supplies, with a disable feature reducing current to 15 μA. Outputs are rail-to-rail, capable of driving two 75 Ω loads.

Feature Summary

• Integrated triple sixth-order video filters with selectable bandwidths for various video standards
• Dual 2:1 input multiplexers allowing selection between multiple video signal sources
• Rail-to-rail output buffers capable of driving dual 75 Ω terminated cables
• Configurable throughput gain and differential DC offset control for precise signal alignment

Applications

• Video reconstruction and anti-alias filtering for digital-to-analog converters
• Signal conditioning for set-top boxes and personal video recorders
• Input buffering for HDTVs and projectors requiring component video processing

Procurement Notes

Verify the -R7 suffix indicates tape and reel packaging configuration. Confirm the ARQZ designation corresponds to the industrial temperature range (-40°C to +85°C) and lead-free QSOP package. Ensure compatibility with 3 V and 5 V logic levels for control pins. Validate that the specific revision matches the required electrical specifications for your application.

Selection Notes

Select this component when a compact solution for triple-channel video filtering is required. It is suitable for designs needing flexible cutoff frequency selection to support both standard and high-definition resolutions. Consider the low power consumption and disable feature for battery-operated systems. Ensure the PCB layout supports high-speed signal integrity given the 36 MHz bandwidth capabilities.

Part Context

This part belongs to the ADA4411-3 family of integrated video filters. It provides a comprehensive solution for filtering and driving component video signals. The device simplifies design by integrating filters, buffers, and multiplexers into a single chip, reducing the component count compared to discrete solutions.

Replacement Considerations

Check for direct pin-compatible alternatives within the Analog Devices portfolio if availability is constrained. Verify that any substitute maintains the same triple-channel architecture and QSOP package dimensions.