The MAX4359/MAX4360/MAX4456 low-cost video cross-point
switches are designed to reduce component count,
board space, design time, and system cost. Each contains
a matrix of T-switches that connect any of their four
(MAX4359) or eight (MAX4360/MAX4456) video inputs to
any of their buffered outputs, in any combination. Each
matrix output is buffered by an internal, high-speed
(250V/µs), unity-gain amplifier that is capable of driving
400Ω and 20pF at 2.6VP-P. For applications requiring increased drive capability, buffer the MAX4359/MAX4360/MAX4456 outputs with the MAX4395 quad, operational amplifier.
The MAX4456 has a digitally controlled 8x8 switch matrix
and is a low-cost pin-for-pin compatible alternative to the
popular MAX456. The MAX4359/MAX4360 are similar to
the MAX4456, with the 8x8 switch matrix replaced by a
4x4 (MAX4359) or an 8x4 (MAX4360) switch matrix.
Three-state output capability and internal, programmable
active loads make it feasible to parallel multiple devices
to form larger switch arrays. The inputs and outputs are
on opposite sides, and a quiet power supply or digital
input line separates each channel, which reduces
crosstalk to -70dB at 5MHz. For applications demanding
better DC specifications, see the MAX456 8x8 video
crosspoint switch.
Key Features
Applications/Uses
Eight (MAX4456) or Four (MAX4359/MAX4360) Internal Buffers
250V/µs Slew Rate
Three-State Output Capability
Power-Saving Disable Feature
65MHz -3dB Bandwidth
Routes Any Input Channel to Any Output Channel
Serial or Parallel Digital Interface
Expandable for Larger Switch Matrices
80dB All-Channel Off-Isolation at 5MHz
70dB Single-Channel Crosstalk
Straight-Through Pinouts Simplify Layout
Low-Cost Pin-Compatible Alternative to MAX456 (MAX4456)
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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