DG534ADN

Analog Switches - Special Purpose Overview

The DG534ADN is a digitally selectable 4-channel or dual 2-channel wideband video multiplexer manufactured by Vishay Siliconix. It operates within a supply voltage range of 10 V to 21 V and supports an operating temperature range of -40 °C to +85 °C. The device features a maximum on-resistance of 90 Ohms, a bandwidth of 500 MHz, and a transition time of up to 300 ns. Packaged in a 20-pin PLCC, it includes on-board TTL-compatible latches with readback capabilities.

Analog Switches - Special Purpose Feature Summary

• On-chip TTL-compatible address decoding logic and latches with data readback simplify microprocessor interface
• Low on-resistance and low capacitance DMOS FETs configured in 'T' arrangements achieve high off-isolation and reduced crosstalk
• Optional negative supply pin allows handling of bipolar signals without DC biasing
• Epitaxial layer construction prevents latch-up for improved reliability

Analog Switches - Special Purpose Applications

• Wideband signal routing and multiplexing
• Video switchers and crosspoint arrays
• ATE systems
• Infrared imaging
• Ultrasound imaging

Analog Switches - Special Purpose Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature rating. The DG534ADN designation corresponds to the PLCC package variant. Confirm availability status as distribution channels may list obsolete or discontinued inventory. Ensure the ordering information matches the required electrical specifications for the target application.

Analog Switches - Special Purpose Selection Notes

Select this component when a 4-channel or dual 2-channel configuration is required for wideband applications. The PLCC package offers lower stray effects compared to DIP variants. Verify that the system requires single-ended or differential operation modes supported by the 4/2 select pin. Ensure the logic supply voltage aligns with the TTL-compatible interface requirements.

Analog Switches - Special Purpose Part Context

The DG534A is part of the DG534A/538A family of wideband video multiplexers. The DG538A serves as the 8-channel or dual 4-channel counterpart. Both devices share similar D/CMOS technology and performance characteristics, differing primarily in channel count and pin configuration. They are designed as improved replacements for earlier non-A versions.

Analog Switches - Special Purpose Replacement Considerations

Official recommended alternatives include the DG61 and DG42 series. Verify pin compatibility and electrical parameters before substitution. The DG534ADJ (DIP) is a package alternative but not a direct functional replacement if PLCC footprint is fixed.