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MAX4550 Datasheet PDF - Maxim Integrated

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MAX4550 Datasheet PDF : MAX4550 pdf     
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General Description
The MAX4550/MAX4570 serial-interface, programmable, dual 4x2 audio/video crosspoint switches are ideal for multimedia applications. Each device contains two identical crosspoint switch arrays, each with four inputs and two outputs. To improve off-isolation, use the additional crosspoint inputs SA and SB as shunts. Each output is selectively programmable for clickless or regular mode operation. A set of internal resistive voltagedividers supplies DC bias for each output when using AC-coupled inputs. Additionally, four auxiliary outputs control additional circuitry via the MAX4550/MAX4570’s 2-wire or 3-wire interface.

Features
♦ Selectable Soft Switching Mode for Clickless Audio Operation
♦ 43Ω Typical On-Resistance (±5V Supplies)
♦ 5Ω Typical On-Resistance Matching Between Channels
♦ 4Ω Typical On-Resistance Flatness
♦ 0.014% Total Harmonic Distortion with 1kΩ Load
♦ -110dB Off-Isolation at 20kHz
    -78dB Off-Isolation at 4MHz
♦ -95dB Crosstalk at 20kHz
    -54dB Crosstalk at 4MHz
♦ Serial Interface
    2-Wire, Fast-Mode, I2C-Compatible (MAX4550) 3-Wire, SPI/QSPI/MICROWIRE-Compatible (MAX4570)
♦ Four Auxiliary Outputs that Extend µP Ports
♦ Single-Supply Operation: +2.7V to +5.5V
    Dual-Supply Operation: ±2.7V to ±5.5V

Applications
    Set-Top Boxes
    PC Multimedia Boards
    High-End Audio Systems
    Video Conferencing Systems

 

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