MAX4639ESE+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock

Name: MAX4639ESE+
Brand: Maxim Integrated
SKU: MAX4639ESE+
Availability: InStock

Maxim MAX4639ESE+ is a low-voltage analog multiplexer IC offering single 8:1 and dual 4:1 configurations with 3.5 Ω on-resistance. Operating from ±2.5 V supplies, it is packaged in a 16-pin SOIC and suits precision data acquisition and signal routing applications.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MAX4639ESE+Small Outline Packages

Quick Facts

Manufacturer: Maxim Integrated
Package: Small Outline Packages
Pin Count: 16
Lifecycle: ACTIVE
Datasheet: MAX4639ESE+ Datasheet PDF
Category: Integrated Circuit
Price: From $3.9000(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MAX4639ESE+?

Ultra-low 3.5 Ω on-resistance enables minimal signal attenuation in single 8:1 or dual 4:1 multiplexer configurations
Low-voltage ±2.5 V supply operation reduces power consumption in battery-powered and portable analog systems
16-pin SOIC package with rail-to-rail signal handling supports high-density signal routing in compact board designs

What is MAX4639ESE+ used for?

The MAX4639ESE+ is designed for data acquisition systems, precision analog switching, and test-and-measurement equipment where low on-resistance and accurate signal routing at ±2.5 V supply rails are essential. Its dual 4:1 and single 8:1 flexibility makes it suitable for sensor multiplexing in medical instruments, audio switching matrices, and portable handheld devices that demand low-power differential signal handling.

What are the specifications of MAX4639ESE+?

Manufacturer Package Code	16-SOIC_N-150_MIL
Date Of Intro	2000-07-15
YTEOL	9
Analog IC - Other Type	DIFFERENTIAL MULTIPLEXER
JESD-30 Code	R-PDSO-G16
JESD-609 Code	e3
Neg Supply Voltage-Max (Vsup)	-2.75 V
Neg Supply Voltage-Min (Vsup)	-2.25 V
Neg Supply Voltage-Nom (Vsup)	-2.5 V
Normal Position	NO
Number of Channels	4
Number of Functions	1
Off-state Isolation-Nom	55dB
On-state Resistance Match-Nom	0.2Ω
On-state Resistance-Max (Ron)	3.5Ω
Output	SEPARATE OUTPUT
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP16,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, HEAT SINK/SLUG
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Signal Current-Max	0.03A
Supply Current-Max (Isup)	0.001mA
Supply Voltage-Max (Vsup)	2.75V
Supply Voltage-Min (Vsup)	2.25V
Supply Voltage-Nom (Vsup)	2.5V
Surface Mount	YES
Switch-off Time-Max	8ns
Switch-on Time-Max	20ns
Switching	BREAK-BEFORE-MAKE
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Matte Tin (Sn) - annealed
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
HTS Code	8542.39.00.60
Country of Origin	Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

Where can I find the MAX4639ESE+ datasheet?

MAX4639ESE+ Datasheet Download

Official datasheet from Maxim Integrated

What are equivalent replacements for MAX4639ESE+?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How does the MAX4639ESE+ on-resistance affect signal accuracy in a 16-channel ADC front-end?

The MAX4639ESE+ has 3.5 Ω on-resistance, which introduces minimal voltage drop when driving high-impedance ADC inputs. In a 16-channel front-end using dual 4:1 stages, signal error due to resistive loading remains below 0.1% for source impedances under 350 Ω, preserving 12-bit ADC accuracy without additional buffering.

Can the MAX4639ESE+ operate from a single 5 V supply in a unipolar data acquisition design?

The MAX4639ESE+ is optimized for dual ±2.5 V supplies, with a negative supply range of -2.25 V to -2.75 V and positive rail at +2.5 V. For single-supply 5 V systems, an external voltage splitter generating ±2.5 V rails is required; without dual rails, signal swing and switching performance will degrade outside specified conditions.

What is the channel capacity difference between the 8:1 and dual 4:1 modes of MAX4639ESE+?

In single 8:1 mode, the MAX4639ESE+ routes 8 analog inputs to 1 output, providing maximum channel density for sequential sampling. In dual 4:1 mode, it operates as 2 independent 4-channel multiplexers, enabling simultaneous routing on 2 separate signal paths. Both modes share the same 3.5 Ω on-resistance and ±2.5 V supply constraints in the 16-pin SOIC package.

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AvailabilityIn Stock

Reference Price (USD)

From $3.9000

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$12.4770	$12.48
100+	$4.6992	$469.92
250+	$4.5500	$1137.50
1000+	$3.9000	$3900.00

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Unit price: $12.4770 · Total: $12.48

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Lead Time3-7 business days

MOQFrom 1 piece

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OriginChina (Authorized)

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MAX4639ESE+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock

What are the key features of MAX4639ESE+?

What is MAX4639ESE+ used for?

What are the specifications of MAX4639ESE+?

Compliance & Regulatory

Where can I find the MAX4639ESE+ datasheet?

What are equivalent replacements for MAX4639ESE+?

Frequently Asked Questions

How does the MAX4639ESE+ on-resistance affect signal accuracy in a 16-channel ADC front-end?

Can the MAX4639ESE+ operate from a single 5 V supply in a unipolar data acquisition design?

What is the channel capacity difference between the 8:1 and dual 4:1 modes of MAX4639ESE+?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Maxim Integrated

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