MAX4638EUE - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX4638EUE

Manufacturer

Maxim Integrated

Introduction

High-performance analog switch

Designed for portable and battery-powered applications

Product Features and Performance

8-channel analog switch

Supports dual (±2.5V) or single (1.8V to 5.5V) supply operation

Low on-resistance (3.5Ω max)

Fast switching speed (18ns max turn-on, 7ns max turn-off)

Low charge injection (13pC)

High channel-to-channel matching (100mΩ)

Wide bandwidth (-3dB at 50MHz)

Low leakage current (250pA max)

Low crosstalk (-65dB at 10MHz)

Product Advantages

Ideal for portable and battery-powered applications

Enables low-power design with single-supply operation

Excellent analog performance with high bandwidth and low distortion

Compact 16-TSSOP package

Key Technical Parameters

Voltage Supply: Dual (±2.5V) or Single (1.8V to 5.5V)

Current Leakage (IS(off)): 250pA max

On-State Resistance: 3.5Ω max

Charge Injection: 13pC

Multiplexer/Demultiplexer Circuit: 8:1

Channel-to-Channel Matching (ΔRon): 100mΩ

Switch Circuit: SP8T NO

Switch Time (Ton, Toff): 18ns max, 7ns max

Channel Capacitance (CS(off), CD(off)): 9pF, 40pF

Crosstalk: -65dB @ 10MHz

Quality and Safety Features

RoHS non-compliant

Compatibility

Compatible with a wide range of analog and digital circuits

Application Areas

Portable and battery-powered devices

Instrumentation and test equipment

Telecommunications equipment

Industrial automation and control systems

Product Lifecycle

The MAX4638 is an established product in the Maxim Integrated portfolio.

Replacement or upgrade options may be available, but the product is not nearing discontinuation.

Key Reasons to Choose This Product

Excellent analog performance with high bandwidth and low distortion

Compact 16-TSSOP package for space-constrained designs

Supports both dual and single supply operation for flexibility

Fast switching speed and low charge injection for high-speed applications

Low leakage current and crosstalk for improved signal integrity

Robust design and high channel-to-channel matching for reliable performance