ADG3257BRQ-REEL

Signal Switches, Multiplexers, Decoders Overview

The ADG3257BRQ-REEL is a high-speed quad 2:1 multiplexer/demultiplexer bus switch manufactured by Analog Devices Inc. It operates on a single 3.0 V to 5.5 V supply and features a 16-lead QSOP package. The device provides a propagation delay of 0.1 ns, an on-resistance of 2 Ω, and supports data rates up to 933 Mbps. Quiescent current is typically 1 nA, with an operating temperature range of -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Bidirectional switching capability for bus isolation and level translation applications
• Ultralow quiescent power dissipation with switches remaining off when power is removed
• High-speed operation supporting data rates up to 933 Mbps

Signal Switches, Multiplexers, Decoders Applications

• Bus switching
• Memory switching and interleaving
• Level translation between mixed voltage systems

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging format and RoHS compliance status. Ensure the component matches the required industrial temperature range and package dimensions before integration into the design.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for designs requiring low insertion loss and minimal signal distortion in high-speed digital buses. Consider the bidirectional nature and level translation capabilities when interfacing different voltage domains without external logic.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the ADG3257 series of CMOS bus switches. It is designed to provide high-speed switching with very low on-resistance, making it suitable for applications where signal integrity and speed are critical constraints.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Consult the official ordering guide for verified substitutes such as ADG3257BRQZ or variants with different reel configurations.

Signal Switches, Multiplexers, Decoders FAQ

How does the ADG3257 handle level translation from 5V to 3.3V?

It requires an external diode connected in series with the 5V supply to drop the internal gate voltage, limiting the output high level to approximately 3.3V.

What happens to the switch state if the power supply is turned off?

The switches remain in the off state, effectively isolating Port A from Port B even when VCC is absent.