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Analog Devices Inc. ADGM1121 0Hz/DC to 18GHz DPDT MEMS Switch ICs

Analog Devices Inc. ADGM1121 0Hz/DC to 18GHz DPDT MEMS Switch ICs are wideband, double-pole, double-throw (DPDT) switches fabricated using Analog Devices' microelectromechanical system (MEMS) switch technology. This technology enables a small form factor, wide RF bandwidth, high linearity, and low insertion loss switch that is operational down to 0Hz/DC. The Analog Devices ADGM1121 MEMS Switch ICs are packaged in a 24-lead, 5mm x 4mm x 1mm land grid array (LGA) package. These features make ADGM1121 an ideal solution for various RF and precision equipment switching needs. An integrated driver chip generates a high voltage to electrostatically actuate the switch that can then be controlled by a parallel interface and a serial peripheral interface (SPI). All switches are independently controllable.

Features

  • DC to 18GHz frequency range
  • High bit rate capability up to 64Gbps
  • Low insertion loss
    • 0.5dB (typical) at 8GHz
    • 1.0dB (typical) at 16GHz
  • High 73dBm (typical) Third-Order Intermodulation Intercept (IIP3) input
  • High 33dBm (maximum) RF power handling
  • 1.9Ω (typical) on-resistance
  • High 200mA DC current handling
  • High switch cycle count of 100 million cycles (minimum)
  • Fast 200µs (typical) switching time
  • Integrated 3.3V driver for simple control with parallel interface and SPI
  • Space-saving integrated passive including decoupling and shunt resistors
  • Small 5mm × 4mm × 1mm, 24-lead plastic package
  • -40°C to +85°C temperature range

Applications

  • ATE load and probe boards
  • DC with high-speed loopback testing
  • High-speed SerDes, PICe Gen4/5, USB4, and PAM4
  • Relay replacements
  • Reconfigurable filters/attenuators
  • Military and microwave radios
  • 5G mm-wave cellular infrastructures 

Functional Block Diagram

Block Diagram - Analog Devices Inc. ADGM1121 0Hz/DC to 18GHz DPDT MEMS Switch ICs

Related Development Tools

Analog Devices Inc. EVAL-ADGM1121SDZ Evaluation Board

Helps evaluate the ADGM1121, a dual-chip, RF switching solution containing a DPDT MEMS switch.

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Published: 2024-05-01 | Updated: 2025-03-04