ADGM1304

RECOMMENDED FOR NEW DESIGNS

0 Hz/dc to 14 GHz, Single-Pole, Four-Throw MEMS Switch with Integrated Driver

Data Sheet (Rev. H) Product Selection Table
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Overview

  • Fully operational down to 0 Hz/dc
    • On resistance: 2.9 Ω (maximum)
    • Off leakage: 0.5 nA (maximum)
  • −3 dB bandwidth
    • 11 GHz (typical) for RF1, RF4
    • 14 GHz (typical) for RF2, RF3
  • RF performance characteristics
    • Insertion loss: 0.26 dB (typical) at 2.5 GHz
    • Isolation: 24 dB (typical) at 2.5 GHz
    • IIP3: 69 dBm (typical)
    • RF power: 36 dBm (maximum)
  • Actuation lifetime: 1 billion cycles (minimum)
    • Hermetically sealed switch contacts
    • On switching time: 75 μs (maximum)
  • Integrated driver removes the need for an external driver
    • Supply voltage: 3.0 V to 3.6 V
    • CMOS-/LVTTL-compatible
    • Parallel and SPI interface
    • Independently controllable switches
  • Switch is in an open state with no power supply present
  • Requirement to avoid floating nodes on all RFx pins (see the Floating Node section in data sheet)
  • 24-lead, 5 mm × 4 mm × 0.95 mm, LFCSP
  • Operating temperature range: 0°C to 85°C

The ADGM1304 is a wideband, single-pole, four-throw (SP4T) switch, fabricated using Analog Devices, Inc., microelectro-mechanical system (MEMS) switch technology. This technology enables a small form factor, wide RF bandwidth, highly linear, low insertion loss switch that is operational from 0 Hz/dc to 14 GHz, making the ADGM1304 an ideal solution for a wide range of RF and precision equipment switching needs.

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

The device is packaged in a 24-lead, 5 mm × 4 mm × 0.95 mm, lead frame chip-scale package (LFCSP).

To ensure optimum operation of the ADGM1304, the Critical Operational Requirements section must be followed exactly.

The on resistance (RON) performance of the ADGM1304 is affected by device to device variation, channel to channel variation, cycle actuations, settling time post turn on, bias voltage, and temperature changes.

APPLICATIONS

  • Relay replacements
  • Automatic test equipment: RF/high speed digital and mixed signals
  • Load and probe boards: RF/high speed digital and mixed signals
  • RF test instrumentation
  • Reconfigurable filters and attenuators
  • High performance RF switching
ADGM1304
0 Hz/dc to 14 GHz, Single-Pole, Four-Throw MEMS Switch with Integrated Driver
ADGM1304 Functional Block Diagram ADGM1304 Pin Configuration ADGM1304 Circuit Diagram
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Documentation

Data Sheet 1

User Guide 1

Application Note 2

Technical Articles 2

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Software Resources

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Hardware Ecosystem

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Automatic Test Equipment (ATE) 1
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LT3045-1
RECOMMENDED FOR NEW DESIGNS 20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator with VIOC Control
MEMS Switches 1
ADGM1004
RECOMMENDED FOR NEW DESIGNS 0 Hz/DC to 13 GHz, 2.5 kV HBM ESD, SP4T, MEMS Switch with Integrated Driver
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • ADGM1304

S-Parameter 1

IBIS Model 1

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
EVAL-ADGM1304

ADGM1304 Evaluation Board

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Features and Benefits

  • Single, 3.3 V dc supply voltage
  • Wide frequency range
  • SMA connectors for RF signals
  • SMB connectors for switch control signals
  • On-board calibration transmission line for analyzer calibration

Product Details

This user guide describes the EVAL-ADGM1304SDZ evaluation board for the ADGM1304, a wideband, single-pole, four-throw (SP4T), microelectromechanical systems (MEMS) switch, and a control chip that are copackaged in a compact, 24-lead, 5 mm × 4 mm × 0.95 mm, lead frame chip scale package (LFCSP). The SP4T switch uses Analog Devices, Inc., MEMS switch technology and provides optimal bandwidth performance, power handling capability, and linearity for radio frequency (RF) applications. The control chip generates the high voltage signals required by the MEMS switch and allows the user to control operation through a flexible, complementary metal-oxide semiconductor (CMOS)-compliant or low voltage transistor to transistor logic (LVTTL)-compliant parallel interface, as well as via a serial peripheral interface (SPI). Multiple ADGM1304 devices can be daisy-chained together to enable the configuration of multiple devices with a minimal amount of digital lines.

For the SPI interface, the evaluation board connects to the universal serial bus (USB) port of a PC via the system demonstration platform (SDP) board. The EVAL-SDP-CB1Z board (SDP-Bcontroller board) is available for order on the Analog Devices website at www.analog.com/SDP-B.

The EVAL-ADGM1304SDZ comes fitted with connectors for RF and control signals, and links to allow the user to control the operation of the switch and evaluate the performance of the ADGM1304.

Consult the ADGM1304 data sheet in conjunction with this user guide when using this evaluation board.

eval board
schematic 4
schematic 5
schematic 6
EVAL-24LGA54EBZ

Evaluation Board for the 24-Lead LGA Devices in the Switches and Multiplexers Portfolio

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Features and Benefits

  • 24-lead, 5mm × 4mm LGA evaluation board
  • Easily changeable socket for the main device
  • SMA connectors for the input and output of signals
  • Integrated Arduino shield support

Product Details

The EVAL-24LGA54EBZ enables easy evaluation of the 24- lead land grid array (LGA) package devices in the Switches and Multiplexers Portfolio that are purchased separately. The EVAL-24LGA54EBZ is supplied with a socket to secure a 24-lead LGA device to the evaluation board without the need for soldering.

Figure 1 in the User Guide shows the EVAL-24LGA54EBZ. A 24-lead LGA device can be easily inserted into the central socket of the evaluation board that is designed for flexible testing of various switch configurations. Each device pin connects to a header (K1 to K17), allowing users to route signals, tie pins to ground, or configure the pins as needed. K7 to K13 support general input/output (I/O) or ground connections. The EVAL-24LGA54EBZ supports the following two control modes: internal logic using K14 to K17 or serial peripheral interface (SPI) using K1 to K4. The control mode is selected through K5, where connecting it to GND enables internal control and connecting it to VDD enables SPI. The EVAL-24LGA54EBZ has Subminiature Version A (SMA) connectors (J1 to J11) that connect directly to the device pins and are used for signal access, allowing users to easily apply or monitor control signals during testing.

The full specifications of the device under test (DUT) are available in the corresponding product data sheet, which must be consulted with the EVAL-24LGA54EBZ user guide when using the EVAL-24LGA54EBZ.
EVAL-ADGM1304
ADGM1304 Evaluation Board
EVAL-ADGM1304SDZ Evaluation Board EVAL-ADGM1304SDZ Evaluation Board EVAL-ADGM1304SDZ Evaluation Board
EVAL-24LGA54EBZ
Evaluation Board for the 24-Lead LGA Devices in the Switches and Multiplexers Portfolio
EVAL 24LGA54EBZ Board Photo Angle View EVAL 24LGA54EBZ Board Photo Top View EVAL 24LGA54EBZ Board Photo Bottom View

Reference Designs

RF Switchable Attenuator Simplified Circuit Diagram
RF Switchable Attenuator Simplified Circuit Diagram
EVAL-CN0377-EB1Z Circuit Board
CN0377 Circuits from the lab

DC to 2.5 GHz Switchable RF Attenuator Implemented with RF MEMS Switches

View Detailed Reference Design

Features and Benefits

  • DC to 2.5GHz Switchable RF Attenuator 
  • RF MEMS Switch Implementation 
  • Hermetically sealed switch contacts 
  • Actuation lifetime: 1 billion cycles (minimum) 
CN0377
DC to 2.5 GHz Switchable RF Attenuator Implemented with RF MEMS Switches
RF Switchable Attenuator Simplified Circuit Diagram
EVAL-CN0377-EB1Z Circuit Board

Latest Discussions

30 Weeks Ago
ADGM1304 Should AGND and RFGND be split on the pcb?
1 Years Ago
ADGM1304 SPI Read/Write Bit seems to be wrongly documented
1 Years Ago
希望获取ADGM1304的三维模型
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