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ADG902

PRODUCTION

0 Hz to 4.5 GHz, 40 dB Off Isolation at 1 GHz, 17 dBm P1dB at 1 GHz SPST Switches

Data Sheet (Rev. D) Product Selection Table
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Overview

  • Reflective switch
  • Enables user to pass dc signals up to 0.5 V without dc blocking capacitor
  • Operational from 0 Hz up to 4.5 GHz at −3 dB frequency
    40 dB off isolation at 1 GHz typical
    0.8 dB insertion loss at 1 GHz typical
    17 dBm P1dB at 1 GHz typical
  • Available in 3 mm × 3 mm, 8-lead MSOP and 8-lead LFCSP
  • <1 μA power consumption
  • CMOS/LVTTL control logic
  • Specified at 1.65 V to 2.75 V

The ADG901/ADG902 are wideband switches that use a complementary metal-oxide semiconductor (CMOS) process to provide high isolation and low insertion loss to 1 GHz. The ADG901 is an absorptive (matched) switch with 50 Ω terminated shunt legs, while the ADG902 is a reflective switch. These devices are designed such that the isolation is high over the dc to 1 GHz frequency range. These switches enable the user to pass dc signals up to 0.5 V without the use of a dc blocking capacitor. They have on-board CMOS control logic, thus eliminating the need for external controlling circuitry. The control inputs are both CMOS and LVTTL compatible. The low power consumption of these CMOS devices makes them ideally suited to wireless applications and general-purpose high frequency switching.

Product Highlights

  1. 40 dB Off Isolation at 1 GHz
  2. 0.8 dB Insertion Loss at 1 GHz
  3. 17 dBm P1dB at 1 GHz

Applications

  • Wireless communications
  • General purpose RF switching
  • Dual-band applications
  • High speed filter selection
  • Digital transceiver front-end switch
  • IF switching
  • Tuner modules
  • Antenna diversity switching list

ADG902
0 Hz to 4.5 GHz, 40 dB Off Isolation at 1 GHz, 17 dBm P1dB at 1 GHz SPST Switches
ADG902 Functional Block 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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Tools & Simulations

S-Parameter 1

Evaluation Kits

EVAL-ADG902

ADG902 Evaluation Board

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Product Details

The ADG902 evaluation board allows designers to evaluate the high-performance wideband switches with a minimum of effort. To prove that these devices meet the user's requirements, the user only requires a power supply and a network analyzer.

EVAL-ADG902
ADG902 Evaluation Board

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