MAX14840EATA+ Analog Devices Integrated Circuit (Small Outline No-lead) In Stock

Name: MAX14840EATA+
Brand: Analog Devices
SKU: MAX14840EATA+
Availability: InStock

The MAX14840EATA+ is a single-channel EIA-485 line transceiver from Analog Devices with differential Schmitt-trigger inputs and differential output rated for -40°C to +125°C operation. It comes in a compact 8-pin LFCSP 3x3 mm package for robust RS-485 communications in industrial environments.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MAX14840EATA+Small Outline No-lead

Quick Facts

Manufacturer: Analog Devices
Package: Small Outline No-lead
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: MAX14840EATA+ Datasheet PDF
Category: Integrated Circuit
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MAX14840EATA+?

EIA-485 / RS-485 half-duplex line transceiver with differential Schmitt-trigger input
1-bit driver/receiver supporting differential signaling for noise-immune communication
Operating temperature range of -40°C to +125°C for harsh industrial environments
8-pin LFCSP 3x3x0.75 mm ultra-compact package
Differential output for long-distance multi-node RS-485 bus networks
JESD-609 e3 RoHS-compliant lead-free construction

What is MAX14840EATA+ used for?

The MAX14840EATA+ is designed for industrial RS-485 communication networks in building automation, factory fieldbus, HVAC control, and process instrumentation where differential signaling over long cable runs and high noise immunity are critical. Its extended -40°C to +125°C temperature range makes it suitable for outdoor and high-temperature industrial installations.

What are the specifications of MAX14840EATA+?

Manufacturer Package Code	8-LFCSP-3X3X0.75
Date Of Intro	2010-03-02
YTEOL	10
Differential Output	YES
Driver Number of Bits	1
Input Characteristics	DIFFERENTIAL SCHMITT TRIGGER
Interface IC Type	LINE TRANSCEIVER
Interface Standard	EIA-485
JESD-30 Code	S-PDSO-N8
JESD-609 Code	e3
Number of Functions	1
Out Swing-Min	1.5V
Output Low Current-Max	0.001A
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOLCC8,.12,25
Package Shape	SQUARE
Package Style	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Receive Delay-Max	25ns
Receiver Number of Bits	1
Supply Current-Max	4mA
Supply Voltage-Max	3.6V
Supply Voltage-Min	3V
Supply Voltage-Nom	3.3V
Surface Mount	YES
Technology	BICMOS
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn) - annealed
Terminal Form	NO LEAD
Terminal Pitch	0.65mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Transmit Delay-Max	20ns
Package	Small Outline No-lead

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
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 MAX14840EATA+ datasheet?

MAX14840EATA+ Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for MAX14840EATA+?

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

Frequently Asked Questions

What temperature range does MAX14840EATA+ support, and which harsh-environment use cases does that enable?

MAX14840EATA+ operates from -40°C to +125°C, covering outdoor industrial installations, engine compartment sensors, and high-ambient-temperature control cabinets where standard commercial-grade RS-485 transceivers rated to only 85°C would be unreliable.

How does the differential Schmitt-trigger input of MAX14840EATA+ improve RS-485 bus noise immunity?

The differential Schmitt-trigger receiver input of MAX14840EATA+ combines common-mode noise rejection inherent to the EIA-485 standard with hysteresis, ensuring clean digital output even when the RS-485 bus carries several volts of common-mode interference from industrial motor drives or switching power supplies on shared cable runs.

For a compact industrial sensor node, how does the 3x3 mm LFCSP package of MAX14840EATA+ compare to traditional SOIC RS-485 transceivers?

The 8-pin LFCSP package of MAX14840EATA+ occupies only about 9 square millimeters of PCB area — roughly 4 to 5 times smaller than an equivalent 8-pin SOIC footprint — enabling RS-485 transceiver integration into dense sensor node boards and miniaturized industrial I/O modules where board space is severely limited.

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MAX14840EATA+ Analog Devices Integrated Circuit (Small Outline No-lead) In Stock

What are the key features of MAX14840EATA+?

What is MAX14840EATA+ used for?

What are the specifications of MAX14840EATA+?

Compliance & Regulatory

Where can I find the MAX14840EATA+ datasheet?

What are equivalent replacements for MAX14840EATA+?

Frequently Asked Questions

What temperature range does MAX14840EATA+ support, and which harsh-environment use cases does that enable?

How does the differential Schmitt-trigger input of MAX14840EATA+ improve RS-485 bus noise immunity?

For a compact industrial sensor node, how does the 3x3 mm LFCSP package of MAX14840EATA+ compare to traditional SOIC RS-485 transceivers?

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 Analog Devices

More from Analog Devices

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