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Vishay Intertechnology Dual DPDT / Quad SPDT Analog Switch Saves Space and Improves Signal Integrity


The new Device from Vishay Intertechnology Features Low Resistance of 0.37 Ω and High 338 MHz Bandwidth in Compact miniQFN16 Package

Vishay Intertechnology unveils a new dual DPDT / quad SPDT analog switch featuring low resistance of 0.37 Ω at 2.7 V in the compact 2.6 mm by 1.8 mm by 0.55 mm miniQFN16 package.

The new device released features flatness of 10 mΩ compared to similar resistance offer resistance flatness of 500 mΩ. It results in improved THD of -100 dB. In addition, the DG2788A’s parasitic capacitance CON of 26 pF and COFF of 14.5 pF are 70 % lower, resulting in an over 3x higher -3 dB bandwidth of 338 MHz.

The switch offers an extended voltage range of 5.5 V to accommodate common 5 V industrial designs. For 5 V operation, competing devices rely on larger package sizes to achieve resistance values below 0.5 Ω.

The DG2788A is capable of routing high frequency wide swing pulsing signals. It supports > 80 MHz rail to rail pulses with > 200 mA load current, which is ideal for precision pulse width modulation power loads in designs such as shape-memory alloy (SMA) actuators.

The device provides signal switching in smartphones and tablets, medical equipment, modems and peripherals, and data storage; SMA optical image stabilization in micro cameras; and can replace relays in portable instrumentation and industrial control and automation equipment.

The DG2788A features:

  • Four independently selectable SPDT switches and two control inputs.
  • All switches conduct equally well in both directions and can be used as multiplexers and de-multiplexers.
  • The device offers break before make switching and power down protection.
  • It operates over a single 1.8 V to 5.5 V power supply, while its digital inputs have a 1.2 V logic threshold to ensure low-voltage TTL/CMOS compatibility.
  • The RoHS-compliant switch offers ESD tolerance > 2 kV (human body model) and latch up current of 300 mA per JESD78.


Ideal for both analog and digital signal switching in space-constrained consumer, medical, and industrial applications, the Vishay Siliconix DG2788A delivers improved resistance flatness, signal integrity, parasitic capacitance, and bandwidth.


Samples and production quantities of the DG2788A are available now, with lead times of 10 weeks for large orders.


BiS Team

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