Crosspoint Switches

Crosspoint switches, also known as crossbar switches, are ICs which contain switches. These switches are arranged in a matrix between the inputs and outputs. Crosspoint switch devices are used in PCB circuits to provide switching functionality to electronic designs. They can handle multiple data streams with different protocols.

Crosspoint switches are popular in telecommunications applications. They enable an input to easily connect to an output, without interruption. They also allow paths to be changed, without impacting other paths. Crosspoint switches allow electronic signals to switch within the network of inputs and outputs.

The array configuration refers to the inputs and outputs of the crosspoint switch. For example, if the switch has 8 inputs and 8 outputs, the matrix would have 8x8 cross points where the connections meet.

Where are crosspoint switches used?

Many Crosspoint switches are designed for audio and/or video applications. There are also general purpose switches available. Example applications include:

  • Set-top boxes
  • TV sets
  • A/V switches
  • Surveillance
  • Test equipment
  • Automotive
  • Data Acquisition System
  • Communications

CMOS vs. Bipolar Crosspoint Switches

In many cases, for a CMOS switch, the inputs and outputs will need to be buffered. Bipolar switches already have buffers integrated within the device.

In addition to this, CMOS crosspoint switches offer low power dissipation and simpler design. CMOS also offers a bidirectional signal path. Bipolar crosspoint switches are best for more demanding applications as they are quicker and have low supply voltages and currents.


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Description Price Array Configuration Number of Arrays 3 dB Bandwidth Category Power Supply Type Package Type Pin Count Typical Single Supply Voltage Typical Dual Supply Voltage Dimensions Height Length Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 709-7597
Mfr. Part No.ADG1221BRMZ
SGD6.16
Each
units
1 x 1 2 960MHz Audio/Video Dual, Single MSOP 10 12 V ±15V 3 x 3 x 0.85mm 0.85mm 3mm +125 °C -40 °C
RS Stock No. 709-6427
Mfr. Part No.AD75019JPZ
SGD92.27
Each
units
16 x 16 1 - General Purpose Dual, Single PLCC 44 - 5 V, 12 V, 15 V, 18 V, 24 V 16.66 x 16.66 x 3.68mm 3.68mm 16.66mm +70 °C 0 °C
RS Stock No. 709-7600
Mfr. Part No.ADG1223BRMZ
SGD6.11
Each
units
1 x 1 2 960MHz Audio/Video Dual, Single MSOP 10 12 V ±15V 3 x 3 x 0.85mm 0.85mm 3mm +125 °C -40 °C
RS Stock No. 709-7607
Mfr. Part No.ADG1222BRMZ
SGD6.07
Each
units
1 x 1 2 960MHz Audio/Video Dual, Single MSOP 10 12 V ±15V 3 x 3 x 0.85mm 0.85mm 3mm +125 °C -40 °C
RS Stock No. 177-9766
Mfr. Part No.SY89540UMY
BrandMicrochip
SGD21.96
Each
units
4 x 4 1 - General Purpose Single QFN 44 2.5 V - 7 x 7 x 0.95mm 0.95mm 7mm +85 °C -40 °C
RS Stock No. 497-3110
Mfr. Part No.AD8113JSTZ
SGD86.62
Each
units
16 x 16 1 60MHz Audio/Video Single LQFP 100 - 5 V, 9 V, 12 V 14 x 14 x 1.4mm 1.4mm 14mm +70 °C 0 °C
RS Stock No. 177-9673
Mfr. Part No.SY89540UMY
BrandMicrochip
SGD17.278
Each (In a Tray of 260)
units
4 x 4 1 - General Purpose Single QFN 44 2.5 V - 7 x 7 x 0.95mm 0.95mm 7mm +85 °C -40 °C
RS Stock No. 166-3242
Mfr. Part No.FMS6501AMTC28X
Brandonsemi
SGD2.636
Each (On a Reel of 2500)
units
12 X 9 - 115MHz Video Single TSSOP 28 5 V - 9.7 x 4.4 x 0.9mm 0.9mm 9.7mm +85 °C -40 °C
RS Stock No. 802-3597
Mfr. Part No.ADV3224ACPZ
SGD95.61
Each
units
16 x 8 1 1200MHz Video Dual LFCSP VQ 72 - ±5V 10 x 10 x 0.95mm 0.95mm 10mm +85 °C -40 °C
RS Stock No. 864-8994
Mfr. Part No.FMS6501AMTC28X
Brandonsemi
SGD7.27
Each (In a Pack of 2)
units
12 X 9 - 115MHz Video Single TSSOP 28 5 V - 9.7 x 4.4 x 0.9mm 0.9mm 9.7mm +85 °C -40 °C