MAX4643EUA - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX4643EUA

Manufacturer

Analog Devices

Introduction

The MAX4643EUA is a high-performance, single-pole single-throw (SPST) analog switch from Analog Devices, designed for precision analog signal switching applications.

Product Features and Performance

SPST NO/NC (Normally Open/Normally Closed) switch configuration

Dual circuits

On-State Resistance: Maximum 4 Ohm

Channel-to-Channel Matching (ΔRon): 200 mOhm

Fast Switching Times: Turn-On Time (Ton) maximum 15 ns; Turn-Off Time (Toff) maximum 8 ns

Low Charge Injection: 2 pC

Channel Capacitance (CS(off), CD(off)): 7 pF for both off states

Low Leakage Current: Maximum 250 pA

High Crosstalk Attenuation: -97 dB at 1 MHz

Operates across a wide voltage range: 1.8V to 5.5V

Product Advantages

High precision with minimal signal distortion

Fast response suitable for high frequency applications

Energy-efficient with low power consumption and dissipation

Compact form factor suitable for space-constrained applications

Key Technical Parameters

Voltage Supply: Single (V+) 1.8V ~ 5.5V

Crosstalk: -97dB @ 1MHz

On-State Resistance (Max): 4 Ohm

Switching Times: 15ns (Ton), 8ns (Toff)

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operating temperature range ensuring stability in extreme conditions

High isolation and low leakage enhance circuit reliability and safety

Compatibility

Compatible with a wide range of supply voltages (1.8V to 5.5V)

Surface mount technology for ease of integration into existing designs

Ideal for use in bilateral switch and multiplexer configurations

Application Areas

Telecommunications

Data acquisition systems

Test equipment

Audio and video switching

Product Lifecycle

Status: Obsolete

Note: Check for possible replacements or upgrades as the product is nearing discontinuation.

Several Key Reasons to Choose This Product

Ultra-low power consumption that promotes energy efficiency

Extremely fast switching suitable for high-speed signal routing

High precision and reliability ideal for critical applications

Versatile compatibility and integration ease due to surface mount packaging

Obsolescence status with potential upgrade paths for future-proofing applications