ADG439FBN

Analog Switches, Multiplexers, Demultiplexers Overview

The ADG439FBN is a CMOS analog multiplexer featuring four differential channels. It provides fault protection with continuous overvoltage inputs from −40 V to +55 V. The device operates with dual supplies of ±15 V, offering a typical on-resistance of 270 Ω and off-isolation of 93 dB at 100 kHz. Switching times include a maximum tON of 250 ns and tOFF of 150 ns. It utilizes break-before-make construction and latch-up proof trench isolation.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Fault protection withstands continuous overvoltages from -40 V to +55 V
• Latch-up proof construction using dielectric trench isolation
• Break-before-make switching prevents momentary signal shorting
• All switches turn off when power supplies are removed

Analog Switches, Multiplexers, Demultiplexers Applications

• Data acquisition systems
• Industrial and process control systems
• Avionics test equipment
• Signal routing between systems
• High reliability control systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific package option N-16 corresponds to the 16-Lead Plastic Dual In-Line Package required for the design. Confirm RoHS compliance status if environmental regulations apply, noting that suffix Z indicates compliance. Ensure the operating temperature range of -40°C to +125°C meets system thermal requirements.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring differential signal routing with high fault tolerance. The ADG439F differs from the ADG438F by providing four differential channels instead of eight single-ended channels. Verify that the TTL- and CMOS-compatible logic inputs align with the system control voltage levels.

Analog Switches, Multiplexers, Demultiplexers Part Context

The ADG439F belongs to the ADG438F/ADG439F family of high-performance analog multiplexers manufactured by Analog Devices. These devices utilize a series n-channel, p-channel, and n-channel MOSFET structure to ensure both device and signal source protection during overvoltage or power loss events.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The ADG438F serves as a functional substitute within the same family but offers eight single-ended channels rather than four differential channels. Designers must verify pin compatibility and channel configuration differences when substituting.