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

TLV76033 Selection Guide: Headroom, Heat, and Sourcing

DP83TG720SWRHATQ1 Automotive Ethernet Board Design Guide

BQ76942PFBR Battery Monitor Selection and Procurement Guide

SEP0640Q38CB Surge Protection Board Validation Guide

Why Buy from FindMyChip

About Analog Devices

More from Analog Devices

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