ADG439FBRZ – Quad SPDT Fault-Protected Analog Switch

The ADG439FBRZ is a fault-protected, quad single-pole double-throw (SPDT) analog switch from Analog Devices. Designed for robust operation, it offers fault protection, latch-up immunity, and high ESD tolerance, making it ideal for industrial, instrumentation, and communication applications.

Product Brochure

Description

Technical Specifications:

  • Switch Type: SPDT (Single-Pole Double-Throw)
  • Number of Channels: 4
  • On-Resistance: 40 Ω (typical)
  • Fault Protection Voltage: ±40V
  • Supply Voltage Range: ±5V to ±15V (dual), 12V to 30V (single)
  • ESD Protection: 4 kV
  • Operating Temperature: -40°C to +85°C
  • Package Type: 16-lead SOIC
  • Applications: Industrial automation, instrumentation, data acquisition systems, and communication equipment.

Product Features:

  • Fault Protection: Provides protection against overvoltage, preventing damage to the switch even when input signals exceed supply rails by ±40V.
  • Latch-Up Immunity: Built to withstand latch-up under any conditions, ensuring reliable and continuous operation.
  • Quad SPDT Configuration: Features four independent SPDT switches, enabling multiple signal routing paths within a compact package.
  • High ESD Tolerance: Withstands electrostatic discharge (ESD) up to 4 kV, enhancing durability in harsh environments.
  • Low On-Resistance: Offers low on-resistance of 40 Ω (typical), minimizing signal distortion and power loss.
  • Wide Supply Voltage Range: Operates with dual supplies ranging from ±5V to ±15V or a single supply from 12V to 30V, providing flexibility for various system designs.
  • Compact Package: Encased in a 16-lead SOIC (Small Outline Integrated Circuit) package, ideal for space-constrained applications.

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