DG449DS-T1-E3 - Vishay Siliconix

Manufacturer Part Number

DG449DS-T1-E3

Manufacturer

vishay-siliconix

Introduction

The DG449DS-T1-E3 is an SPDT analog switch designed for use in interface applications requiring multiplexer or demultiplexer capability.

Product Features and Performance

Single SPDT switch configuration

2:1 multiplexer/demultiplexer circuit

Low on-state resistance of 45Ohm maximum

Good channel-to-channel matching at 5Ohm maximum

Supports wide voltage supply range from 7V to 36V single, and ±4.5V to ±20V dual

Fast switching time with a maximum of 146ns for turn-on and 104ns for turn-off

Low charge injection of 5pC

Channel capacitance of 8pF

Minimal current leakage at 1nA maximum

High crosstalk isolation of -80dB at 1MHz

Product Advantages

Ensures low distortion with its minimal charge injection and low on-state resistance

Offers versatility with dual supply voltage options

Suitable for high-frequency applications due to excellent crosstalk isolation and fast switching time

Key Technical Parameters

On-State Resistance (Max): 45Ohm

Voltage Supply, Single (V+): 7V ~ 36V

Voltage Supply, Dual (V±): ±4.5V ~ 20V

Switch Time (Ton, Toff) (Max): 146ns, 104ns

Current Leakage (IS(off)) (Max): 1nA

Channel Capacitance (CS(off), CD(off)): 8pF

Crosstalk: -80dB @ 1MHz

Quality and Safety Features

Robust operation within a wide temperature range of -40°C ~ 85°C

Surface mount package contributes to reliability and quality in assembly

Compatibility

Compatible with a broad range of supply voltages and signal levels

Application Areas

Telecommunication systems

Data acquisition systems

Test equipment

Audio and video switching

Product Lifecycle

Currently active product status

Offers flexibility in application design without concerns of discontinuation

Several Key Reasons to Choose This Product

Exceptionally low channel-to-channel variation enhances performance consistency

Ability to handle fast signal switching is beneficial for time-sensitive applications

Minimal signal distortion makes it ideal for precision applications

Diverse application suitability due to wide operating temperature and voltage range

Reliable high-frequency performance with excellent crosstalk isolation