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Serially Controlled, Clickless Audio/Video Switches

Product Details

Key Features

Applications/Uses

Parametric specs for Audio/Video Routing (Unbuffered)
Functions Switch
Configuration 2 x SPST + 6 x SPDT
Interface 3-Wire
Serial
RON (Ω) (max) 35
ILEAK(OFF) (nA) (max) 0.2
RFLAT(ON) (Ω) (max) 6
tON (ns) (max) 8000
Package/Pins QSOP/28
Budgetary
Price (See Notes)
5.48
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Simplified Block Diagram

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Parameters

Parametric specs for Audio/Video Routing (Unbuffered)
Functions Switch
Configuration 2 x SPST + 6 x SPDT
Interface 3-Wire
Serial
RON (Ω) (max) 35
ILEAK(OFF) (nA) (max) 0.2
RFLAT(ON) (Ω) (max) 6
tON (ns) (max) 8000
Package/Pins QSOP/28
Budgetary
Price (See Notes)
5.48

Key Features

  • Selectable Soft Switching Mode for "Clickless" Audio Operation
  • 35Ω max On-Resistance
  • -90dB Audio Off-Isolation at 20kHz
  • -50dB Video Off-Isolation at 10MHz
  • -90dB Audio Crosstalk at 20kHz
  • -52dB Video Crosstalk at 10MHz
  • Serial Interface
    • 2-Wire, Fast-Mode, I²C-Compatible (MAX4571/72)
    • 3-Wire, SPI/QSPI/MICROWIRE-Compatible (MAX4573/74)
  • Single-Supply Operation from +2.7V to +5.25V

Applications/Uses

  • Audio Systems
  • PC Multimedia Boards
  • Set-Top Boxes
  • Video Conferencing Systems

Description

The MAX4571–MAX4574 serial-interface controlled switches are ideal for multimedia applications. Each device features 35Ω max on-resistance, -90dB audio off-isolation at 20kHz, -60dB video off-isolation at 1.0MHz, and "clickless" mode operation for audio applications.

The MAX4571/MAX4573 contain eleven SPST switches, while the MAX4572/MAX4574 contain two SPST switches and six SPDT switches. The MAX4571/MAX4572 feature a 2-wire, I2C-compatible serial interface. The MAX4573/MAX4574 feature a 3-wire, SPI™/QSPI™/MICROWIRE™-compatible serial interface. All four parts are available in 28-pin QSOP, SSOP, and wide SO packages and operate over the commercial and extended temperature ranges.

Simplified Block Diagram

MAX4571, MAX4573: Pin Configuration MAX4571, MAX4573: Pin Configuration Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .