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MAX4562, MAX4563
串行控制、无喀嗒声的音频/视频开关


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概述
完整的数据资料 (PDF, 232kB)
英文 Download this datasheet in PDF format下载

The MAX4562/MAX4563 serial-interface controlled switches are ideal for multimedia applications. Each device features 30Ω max on-resistance (RON), 5Ω RON match, and 5Ω RON flatness. Audio off-isolation and crosstalk at 20kHz is -85dB, and video off-isolation and crosstalk at 10MHz is -55dB. Both devices feature "clickless" mode operation for audio applications.

The MAX4562/MAX4563 contain two normally open single-pole/double-throw (SPDT) switches and two normally open single-pole/single-throw (SPST) switches. The MAX4562 features a 2-wire I²C-compatible serial interface. The MAX4563 features a 3-wire SPI™/QSPI™/MICROWIRE™-compatible serial interface. Both parts are available in 16-pin QSOP packages and operate over the commercial and extended temperature ranges.

关键特性   应用/使用
  • Selectable Soft-Switching Mode for "Clickless" Audio Operation
  • 30Ω max On-Resistance
  • Audio Performance
    • -85dB Off-Isolation at 20kHz
    • -85dB Crosstalk at 20kHz
    • -0.007% THD
  • Video Performance
    • -55dB Off-Isolation at 10MHz
    • -55dB Crosstalk at 10MHz
  • T-Switch Configurable for Improved Off-Isolation
  • Serial Interface
    • 2-Wire I²C-Compatible (MAX4562)
    • 3-Wire SPI/QSPI/MICROWIRE-Compatible (MAX4563)
  • Single-Supply Operation from +2.7V to +5.5

 
  • 音频系统
  • PC多媒体板
  • 机顶盒
  • 视频会议系统

    Key Specifications:   Audio/Video Routing (Unbuffered)
    Part Number Functions Configuration RON (max) (Ω) Interface Max. OFF Leakage Current (nA) RON Flatness (max) (Ω) tON (max) (nS) Off Isolation @ Frequency (dB) Crosstalk @ Frequency (dB) Category Supply Voltage (V) ΔRON (max) (Ω)
    MAX4562 
    Switch
    2 x SPST + 2 x SPDT 20 2-Wire
    Serial
    1 5 12,000 -55@10MHz
    -85@20kHz
    -55@10MHz
    -85@20kHz
    Audio
    Clickless
    Video
    2.7 to 5.5 5
    MAX4563  3-Wire
    Serial
    See All Audio/Video Routing (Unbuffered) (27)

    图表
    MAX4562,MAX4563:典型工作电路
    典型工作电路

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    参考文献: 19-1461; Rev. 0; 1999-04-01
    本页最后一次更新: 2007-07-20




             


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