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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversAM26LV31INSR
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AM26LV31INSR - Texas Instruments

Manufacturer Part Number
AM26LV31INSR
Manufacturer
Texas Instruments
Allelco Part Number
32D-AM26LV31INSR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
71,260 pcs available, New & Original
Parts Description
IC DRIVER 4/0 16SO
Package
16-SO
Data sheet
AM26LV31INSR.pdf

PCN Design/Specification

AM26LV31 14/May/2018.pdf

HTML Datasheet

AM26LV31C,I.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 71260
  • Unit Price: $0.932
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.932 $0.93
10+ $0.839 $8.39
30+ $0.75 $22.50
100+ $0.684 $68.40
500+ $0.657 $328.50
1000+ $0.644 $644.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AM26LV31INSR Tech Specifications
Texas Instruments - AM26LV31INSR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - AM26LV31INSR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3V ~ 3.6V
Type Driver
Supplier Device Package 16-SO
Series -
Protocol RS422, RS485
Package / Case 16-SOIC (0.209", 5.30mm Width)
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 4/0
Mounting Type Surface Mount
Duplex -
Data Rate -
Base Product Number AM26LV31

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

AM26LV31INSR Image
AM26LV31INSR (1)

Manufacturer Part Number

AM26LV31INSR

Manufacturer

Texas Instruments

Introduction

The AM26LV31INSR is a part of Texas Instruments’ Interface Drivers, Receivers, and Transceivers category, specifically designed as a driver compatible with RS422 and RS485 protocols.

Product Features and Performance

Functions as a Driver

Compatible with RS422 and RS485 protocols

Offers four driver outputs

Surface Mount technology in a 16-SOIC package

Operating effectively within a voltage supply range of 3V to 3.6V

Maintains stable functionality in temperature ranges from -40°C to 85°C

Product Advantages

Reliable data transmission for RS422 and RS485 communications

Compact design with surface mount technology for ease of incorporation in various applications

Optimal function in wide-ranging industrial temperatures

Key Technical Parameters

Type: Driver

Protocol: RS422, RS485

Number of Drivers/Receivers: 4/0

Voltage Supply: 3V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package/Case: 16-SOIC

Quality and Safety Features

Stringent quality control and compliance with industrial temperatures for enhanced reliability and safety measures

Compatibility

Specifically designed for systems requiring RS422 or RS485 communication protocol support

Application Areas

Telecommunications

Networking systems

Industrial controls

Data acquisition systems

Product Lifecycle

Currently in active production

No indication of discontinuation, ensuring ongoing availability and support

Upgrading options available due to evolving technology and product updates

Several Key Reasons to Choose This Product

Enhanced reliability with capability to withstand tough environments (-40°C to 85°C)

Tailored for seamless integration in critical communication systems requiring RS422 or RS485

Backed by Texas Instruments' renowned quality and support

Surface mount technology aids in compact and efficient design implementation

Future-proof purchase due to active product status and support continuity

Frequently Asked Questions(FAQ)

What is the primary interface protocol compatibility of the AM26LV31INSR and how does its voltage range impact system integration in low-power designs?
The AM26LV31INSR supports both RS422 and RS485 protocols, making it suitable for differential data transmission in noise-sensitive industrial and telecommunications environments. Its 3V to 3.6V supply voltage range aligns with modern low-voltage logic systems, enabling energy-efficient operation while maintaining signal integrity. This narrow voltage window requires stable power regulation but reduces power consumption compared to 5V counterparts, which is critical in portable or thermally constrained applications.
How does the 4-driver-only configuration of the AM26LV31INSR influence its role in full-duplex or half-duplex communication architectures?
With a 4/0 driver/receiver configuration, the AM26LV31INSR functions exclusively as a driver, meaning it cannot receive differential signals internally. This makes it ideal for point-to-multipoint systems where unidirectional data flow from a central controller to multiple nodes is required. In half-duplex RS485 setups, a complementary receiver IC must be used alongside the AM26LV31INSR to enable bidirectional communication, adding minor complexity but offering layout flexibility.
What thermal and electrical advantages does the 16-SOIC surface-mount package of the AM26LV31INSR offer in high-density PCB designs?
The 16-SOIC (5.30mm width) package of the AM26LV31INSR provides a compact footprint suitable for space-constrained boards while supporting automated assembly processes. Surface-mount integration improves thermal conductivity through PCB copper planes, aiding heat dissipation despite the lack of internal power regulation. This package also minimizes parasitic inductance, which helps maintain signal fidelity at moderate data rates, though designers should route traces differentially to mitigate crosstalk.
How does the operating temperature range of -40°C to 85°C affect the reliability of the AM26LV31INSR in industrial automation systems?
The -40°C to 85°C specification ensures stable performance across harsh environments typical in industrial control, such as factory floors or outdoor enclosures. Unlike commercial-grade drivers, the AM26LV31INSR maintains output symmetry and propagation delay consistency across this range, reducing bit error risks in long-cable deployments. Designers should still verify timing margins at temperature extremes, especially when interfacing with higher-speed transceivers.
In what ways does the AM26LV31INSR differ from pin-compatible alternatives like the DS26C31TM/NOPB in terms of voltage compatibility and noise immunity?
The AM26LV31INSR operates strictly within a 3V to 3.6V range, whereas the DS26C31TM/NOPB supports up to 5.5V, making the latter more flexible in mixed-voltage systems. However, the AM26LV31INSR’s lower voltage domain enhances noise immunity in high-EMI settings by reducing voltage swing sensitivity. Additionally, TI’s process technology may offer tighter skew control, which becomes relevant in multi-node timing-critical networks.
What PCB layout considerations are necessary when using the AM26LV31INSR in long-distance RS485 transmission systems?
When deploying the AM26LV31INSR for long cables, maintaining controlled impedance (typically 100–120Ω) in differential pairs is essential to minimize reflections. Termination resistors matching the cable’s characteristic impedance should be placed at the far end of the bus. Due to its unidirectional nature, the AM26LV31INSR avoids direction-control timing issues but still requires proper grounding and isolation if used in ground-loop-prone installations.
Why is the absence of a specified data rate in the AM26LV31INSR datasheet significant for high-speed design planning?
The lack of a defined maximum data rate for the AM26LV31INSR implies that performance depends heavily on external factors like cable length, load capacitance, and termination. While not rated for multi-megabit speeds like some modern transceivers, practical testing suggests reliable operation up to several hundred kbps in standard configurations. Designers targeting higher throughput should evaluate pulse distortion and edge degradation empirically.
How does the RoHS3 compliance and MSL-1 rating of the AM26LV31INSR influence manufacturing scalability and shelf life?
RoHS3 compliance confirms the AM26LV31INSR meets lead-free and hazardous substance restrictions, supporting global market access and environmental regulations. Its MSL-1 classification indicates unlimited floor life at standard conditions (≤30°C/85% RH), eliminating bake-out procedures before reflow and reducing production delays. This simplifies logistics for high-volume assembly lines relying on just-in-time delivery.
Can the AM26LV31INSR be used interchangeably with 5V-tolerant RS422 drivers in legacy systems?
Direct substitution of the AM26LV31INSR in 5V systems is not advisable due to its 3.6V absolute maximum supply rating. Even if logic levels appear compatible, back-powering through I/O pins or supply coupling can damage the device. A level-shifting buffer or voltage regulator must be used when integrating the AM26LV31INSR into designs originally designed for 5V drivers like the SN75174.
What design trade-offs arise when selecting the AM26LV31INSR over a full transceiver with integrated driver and receiver functions?
Choosing the AM26LV31INSR over an integrated transceiver sacrifices board-level integration but allows finer optimization—such as pairing with a receiver featuring fail-safe biasing or higher ESD protection. This modularity can improve reliability in specialized applications where driver and receiver paths have differing electrical requirements, though at the cost of increased component count.
How does the absence of duplex specification in the AM26LV31INSR affect network topology decisions in RS485 deployments?
Since the AM26LV31INSR lacks a defined duplex mode, designers must assign duplex behavior at the system level. Its four independent drivers can be configured for multidrop unidirectional broadcast (e.g., clock distribution or command injection), effectively creating a simplex backbone. For half-duplex networks, coordination with a separate receiver and direction-control logic is mandatory.
What failure modes should be considered when the AM26LV31INSR drives unterminated or short-circuit-loaded lines?
Driving unterminated lines increases capacitive loading risk, leading to signal ringing and potential EMI emissions. In short-circuit scenarios, although the AM26LV31INSR includes internal current limiting, prolonged overloads may trigger thermal shutdown or cumulative degradation. While robust for normal operation, external current-limiting resistors or TVS diodes enhance field reliability in unpredictable environments.
How does the package type (16-SO) of the AM26LV31INSR influence rework and inspection during automated optical inspection (AOI)?
The 16-SO surface-mount package supports standard AOI algorithms due to clearly visible lead edges and consistent solder fillet profiles. However, the gull-wing leads require precise stencil design and reflow profiling to avoid tombstoning, especially given the asymmetric thermal masses in driver IC layouts. Its standardized footprint simplifies rework with hot-air stations compared to finer-pitch QFNs.
What are typical applications where the AM26LV31INSR outperforms integrated bus transceivers in signal consistency?
In applications requiring clean, synchronized driver outputs—such as precision timing distribution or parallel clock signaling across multiple nodes—the AM26LV31INSR’s dedicated driver architecture avoids internal bus contention delays found in transceivers. This results in tighter skew control and reduced output transition asymmetry, improving timing margins in synchronized industrial systems.
How does the REACH unaffected and EAR99 status of the AM26LV31INSR impact international procurement and export compliance?
The REACH unaffected designation indicates no candidate substances of very high concern, simplifying material disclosures in European markets. EAR99 classification means the AM26LV31INSR is not subject to stringent export licensing requirements under U.S. Commerce regulations, facilitating faster global shipment and reducing supply chain friction in multinational projects.
What role does the base product number AM26LV31 play in identifying functional variants and ensuring replacement compatibility?
The base number AM26LV31 identifies the core electrical functionality—quadruple RS422/RS485 driver in low-voltage CMOS technology—across packaging variants. This allows engineers to cross-reference the AM26LV31INSR with other versions (e.g., PDIP or TSSOP) while confirming consistent timing and drive characteristics, ensuring interchangeability without redesigning supporting circuitry.
How does the AM26LV31INSR contribute to EMI reduction in motor control feedback loops compared to discrete driver solutions?
By providing tightly matched propagation delays and symmetrical rise/fall times across all four drivers, the AM26LV31INSR minimizes common-mode noise in multi-wire feedback paths. This coherence reduces electromagnetic emissions compared to discrete buffers, which may exhibit timing mismatches. When paired with twisted-pair cabling, this contributes to cleaner signal transmission near high-noise motor drive stages.
What system-level benefits does the AM26LV31INSR offer in redundant communication systems using dual-bus architectures?
In dual-bus or dual-ring topologies requiring independent data streams, the four-driver configuration of the AM26LV31INSR allows simultaneous signaling to two separate differential buses (using two drivers per pair). This enables true hardware-level redundancy without shared signal paths, enhancing fault isolation and system availability in mission-critical control networks.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments AM26LV31INSR

Product Attribute AM26LV31INS AM26LV31IDR AM26LV31EIPWR AM26LV31EIRGYRG4
Part Number AM26LV31INS AM26LV31IDR AM26LV31EIPWR AM26LV31EIRGYRG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply - - - -
Data Rate - - - -
Duplex - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -
Number of Drivers/Receivers - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Protocol - - - -
Series - - - -

AM26LV31INSR Datasheet PDF

Download AM26LV31INSR pdf datasheets and Texas Instruments documentation for AM26LV31INSR - Texas Instruments.

PCN Design/Specification
AM26LV31 14/May/2018.pdf
HTML Datasheet
AM26LV31C,I.pdf
PCN Packaging
Carrier Tape Revision C 09/Apr/2015.pdf Carrier Tape Update 23/Feb/2015.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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2.00kg-3.00kg USD$50.00 - USD$100.00
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AM26LV31INSR Image

AM26LV31INSR

Texas Instruments
32D-AM26LV31INSR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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