EVAL-ADGM1121SDZ

ADGM1121: 0 Hz/DC to 18 GHz, DPDT, MEMS Switch

The ADGM1121 is a wideband, double-pole, double-throw (DPDT) switch, fabricated using Analog Devices' microelectromechanical system (MEMS) switch technology. This technology enables a small form factor, wide RF bandwidth, highly linear and low insertion loss switch that is operational down to 0 Hz/DC, making it an ideal solution for a wide range of RF and precision equipment switching needs.

The ADGM1121 features an integrated driver chip that generates a high voltage to electrostatically actuate a switch that can be controlled by a parallel interface and a serial peripheral interface (SPI). All switches are independently controllable.

The device is packaged in a 24-lead, 5 mm × 4 mm × 1 mm land grid array (LGA) package. To ensure optimum operation of the ADGM1121, see the Critical Operational Requirements section of the data sheet.

The on-resistance (RON) performance of the ADGM1121 is affected by part-to-part variation, channel-to-channel variation, cycle actuations, settling time post-turn-on, bias voltage, and temperature changes.

Key Features and Benefits

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

Applications

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

Evaluation Board

The ADGM1121 can be evaluated with either the EVAL-ADGM1121.

Block Diagrams and Tables