概要

The EL4543 is a high bandwidth triple differential amplifier with integrated encoding of video sync signals. The inputs are suitable for handling High-Speed video or other communications signals in either single-ended or differential form, and the common-mode input range extends all the way to the negative rail enabling ground-referenced signaling in single supply applications. The high bandwidth enables differential signaling onto standard twisted-pair or coax with very low harmonic distortion, while internal feedback ensures balanced gain and phase at the outputs reducing radiated EMI and harmonics. Embedded logic encodes standard video horizontal and vertical sync signals onto the common mode of the twisted pair(s), transmitting this additional information without the requirement for additional buffers or transmission lines. The EL4543 enables significant system cost savings when compared with discrete line driver alternatives. The EL4543 is available in both a 24 Ld QSOP package and a 20 Ld QFN package and is specified for operation over the -40°C to +85°C temperature range.

EL4543 Functional Diagram
EL4543 Functional Diagram
  • Fully differential inputs, outputs, and feedback
  • 350MHz -3dB bandwidth
  • 1200V/µs slew rate
  • -75dB distortion at 5MHz
  • Single 5V to 12V operation
  • 50mA minimum output current
  • Low power - 36mA total typical supply current
  • Pb-free available (RoHS compliant)

アプリケーション

  • Twisted-pair drivers
  • Differential line drivers
  • VGA over twisted-pair
  • Transmission of analog signals in a noisy environment

ドキュメント

設計・開発

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PCB設計ファイル
EL4543 Reference Design
PDF 191 KB
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製品選択

    Processing table
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    ご購入 / サンプル
    型名
    EL4543IUZ
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		QSOP Tube 2 サンプルを入手,
    EL4543IUZ-T13
    circleアクティブ
    memory
    spa
    view_in_ar
    		QSOP Reel 2
    EL4543IUZ-T7
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		QSOP Reel 2 サンプルを入手,
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