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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversAM26LV31INS
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AM26LV31INS - Texas Instruments

Manufacturer Part Number
AM26LV31INS
Manufacturer
Texas Instruments
Allelco Part Number
98D-AM26LV31INS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
36,175 pcs available, New & Original
Parts Description
LINE DRIVER, 4 FUNC, 4 DRIVER
Package
Bulk
Data sheet
-
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 36175
  • Unit Price: $0.41
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.41 $0.41
200+ $0.159 $31.80
500+ $0.153 $76.50
1000+ $0.151 $151.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AM26LV31INS Tech Specifications
Texas Instruments - AM26LV31INS technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - AM26LV31INS

Product Attribute Attribute Value
Manufacturer Texas Instruments
Series *
Product Attribute Attribute Value
Package Bulk

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

Frequently Asked Questions(FAQ)

What are the key electrical specifications and operating conditions for the Texas Instruments AM26LV31INS half-duplex RS422 driver in 16-SOIC package?
The AM26LV31INS is a 4-channel half-duplex RS422 driver designed for industrial communication systems. It operates within a supply voltage range of 3V to 3.6V, making it suitable for low-voltage digital logic environments. The device supports data rates up to 32 Mbps, which allows efficient serial communication over balanced differential lines. Operating temperature ranges from -40°C to 85°C, ensuring reliable performance in harsh environments. As a surface-mount component in a 16-SOIC package (5.30mm width), it integrates four independent drivers without receivers, ideal for point-to-point or multi-drop serial bus applications requiring noise immunity and long-distance signaling.
How does the AM26LV31INS compare to other RS422 transceivers like the SN75179B in terms of power consumption and speed for embedded system designs?
While the SN75179B is a single-driver RS422 transceiver supporting up to 10 Mbps, the AM26LV31INS offers significantly higher data throughput at 32 Mbps and integrates four drivers in a single package, reducing board space and component count. The AM26LV31INS operates at 3V–3.6V, enabling compatibility with modern low-power microcontrollers, whereas the SN75179B typically requires higher supply voltages. In terms of power efficiency, the AM26LV31INS consumes less static current due to its CMOS-based design, making it more suitable for battery-powered or energy-sensitive embedded systems requiring high-speed serial communication over RS422 standards.
Can the AM26LV31INS be used in automotive applications, and what environmental certifications support its deployment in such systems?
Although the AM26LV31INS is not specifically qualified to AEC-Q100 standards, its industrial-grade operating temperature range (-40°C to 85°C) and RoHS3 compliance make it viable for certain non-automotive industrial and embedded systems that mimic automotive robustness. For true automotive use cases, especially those requiring functional safety or extended temperature operation beyond 85°C, TI typically recommends dedicated automotive-grade variants. However, in non-safety-critical industrial automation or transportation control modules, the AM26LV31INS may be acceptable if system-level testing confirms reliability under expected thermal and electrical stresses.
What considerations should be made when integrating the AM26LV31INS into a PCB layout to ensure signal integrity and minimize EMI?
When designing with the AM26LV31INS, careful attention must be paid to trace routing for the differential outputs (Y and Z pins). Maintain matched impedance traces (typically 100Ω differential) and keep them tightly coupled to reduce electromagnetic emissions and susceptibility. Avoid routing near noisy components such as switching regulators or high-speed clocks. Ground plane continuity beneath the 16-SOIC package helps stabilize supply rails and reduces ground bounce. Additionally, decoupling capacitors (e.g., 0.1μF ceramic placed close to VCC and GND) are essential to suppress transient noise on the 3.3V supply rail, ensuring stable operation at data rates approaching 32 Mbps.
Is the AM26LV31INS compatible with 5V microcontroller UART interfaces, and how can level shifting be implemented if needed?
The AM26LV31INS accepts a 3V to 3.6V input on its driver enable and data input pins, so direct connection to a 5V UART output is not recommended and could risk exceeding absolute maximum ratings. To interface with 5V logic, an external bidirectional level shifter such as a TXB0104 or discrete MOSFET-based circuit should be used between the MCU UART and the AM26LV31INS input. Alternatively, some microcontrollers support 3.3V-only UARTs, which align better with the AM26LV31INS’s input thresholds. Ensuring clean signal integrity at high speeds also requires minimizing stub lengths and avoiding long unterminated traces on the UART side.
How does the half-duplex configuration of the AM26LV31INS affect system architecture compared to full-duplex transceivers?
As a half-duplex device with 4/0 driver/receiver channels, the AM26LV31INS shares a single differential pair for both transmission and reception, controlled by direction signals. This simplifies wiring in multi-node networks but introduces latency during direction switching. Unlike full-duplex transceivers such as the MAX485E (which uses separate transmit and receive paths), the AM26LV31INS cannot send and receive simultaneously, making it less suitable for real-time bidirectional communication. However, this limitation reduces component count and pin usage, benefiting compact designs where simplex or scheduled half-duplex protocols like Modbus RTU are employed.
What is the significance of the Moisture Sensitivity Level (MSL) rating of 1 for the AM26LV31INS in manufacturing and handling?
With an MSL rating of 1, the AM26LV31INS is considered moisture-insensitive and can withstand unlimited exposure to ambient humidity before soldering without requiring bake-out procedures. This simplifies assembly logistics, reduces lead time, and lowers manufacturing costs for high-volume production. It also means the component is suitable for automated pick-and-place processes without special handling precautions, provided standard ESD protocols are followed during storage and handling to prevent electrostatic discharge damage to the sensitive CMOS inputs.
In what scenarios would the AM26LV31INS outperform alternative RS422 driver ICs like the DS3485 in terms of speed and integration?
The AM26LV31INS provides a distinct advantage over devices like the DS3485 in applications demanding higher data rates—up to 32 Mbps versus the DS3485’s typical limit of 10 Mbps. Its integrated four-driver architecture reduces board space and BOM cost compared to using multiple single-driver parts. Additionally, the AM26LV31INS’s 3.3V operation enables tighter noise margins in low-voltage systems, improving signal integrity at elevated speeds. For industrial Ethernet backplanes, motion control buses, or high-speed sensor networks using RS422 signaling, the AM26LV31INS offers superior performance and scalability over slower, lower-pin-count alternatives.
Are there any known limitations or edge cases when driving capacitive loads with the AM26LV31INS at maximum data rates?
At the upper end of its 32 Mbps specification, the AM26LV31INS may exhibit degraded rise/fall times and increased jitter when driving heavy capacitive loads (e.g., long cables or improperly terminated stubs). Excessive capacitance can cause signal reflections and distort waveform edges, potentially leading to bit errors. Designers should adhere to RS422 guidelines for cable length (typically <1200 meters for twisted-pair) and use series termination resistors (e.g., 120Ω at the source) to dampen ringing. If driving capacitive loads above 25 pF per line, simulation or empirical testing is advised to validate eye diagram integrity and ensure reliable data transmission.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments AM26LV31INS

Product Attribute AM26LV31INSR AM26LV31EIPWR AM26LV31IDG4 AM26LV31IDR
Part Number AM26LV31INSR AM26LV31EIPWR AM26LV31IDG4 AM26LV31IDR
Manufacturer Texas Instruments Texas Instruments Luminary Micro / Texas Instruments Texas Instruments
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

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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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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Electrostatic Discharge Protection and Handling

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AM26LV31INS Image

AM26LV31INS

Texas Instruments
98D-AM26LV31INS

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

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