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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversAM26LV31EIRGYR
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AM26LV31EIRGYR - Texas Instruments

Manufacturer Part Number
AM26LV31EIRGYR
Manufacturer
Texas Instruments
Allelco Part Number
32D-AM26LV31EIRGYR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
48,615 pcs available, New & Original
Parts Description
IC DRIVER 4/0 16VQFN
Package
16-VQFN (4x3.5)
Data sheet
AM26LV31EIRGYR.pdf

HTML Datasheet

AM26LV31E.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 48615
  • Unit Price: $0.91
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.91 $0.91
10+ $0.77 $7.70
30+ $0.693 $20.79
100+ $0.605 $60.50
500+ $0.567 $283.50
1000+ $0.549 $549.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AM26LV31EIRGYR Tech Specifications
Texas Instruments - AM26LV31EIRGYR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - AM26LV31EIRGYR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3V ~ 3.6V
Type Driver
Supplier Device Package 16-VQFN (4x3.5)
Series -
Protocol RS422, RS485
Package / Case 16-VFQFN Exposed Pad
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) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

AM26LV31EIRGYR Image
AM26LV31EIRGYR (1)

Manufacturer Part Number

AM26LV31EIRGYR

Manufacturer

Texas Instruments

Introduction

High-speed quadruple differential line driver designed for digital data transmission over balanced lines

Product Features and Performance

Quadruple differential line driver

Meets or exceeds the requirements of TIA/EIA-422-B and ITU operational standards

3V to 3.6V supply voltage operation

Designed for signaling rates up to 50 Mbps

Low power consumption

Thermal shutdown protection

Fail-safe design ensures a logic-high on outputs when inputs are open

Product Advantages

Improved electromagnetic interference (EMI) performance

Enhanced switching speeds

Low pulse skew

Key Technical Parameters

RS422 and RS485 signaling protocols support

4 driver channels

Voltage supply ranging from 3V to 3.6V

Operating temperature from -40°C to 85°C

Surface mount mounting type

16-VFQFN exposed pad package

Supplier device package: 16-VQFN (4x3.5)

Quality and Safety Features

Thermal shutdown protection

Over-temperature pre-warning

Compatibility

Compatible with TIA/EIA-422-B and ITU standards

Applicable for telecommunications and networking industrial standard

Application Areas

Telecommunications

Networking systems

Industrial control

Data acquisition systems

Product Lifecycle

Active product status

No indication of nearing discontinuation

Replacements or upgrades should be sourced directly from Texas Instruments' current product offerings

Several Key Reasons to Choose This Product

Supports high data rate applications

Robust performance for harsh industrial environments

Low power consumption suitable for power-sensitive designs

Reduced EMI emissions for designs requiring strict compliance with electromagnetic compatibility standards

High reliability with thermal protection and fail-safe feature

Easy to implement in systems with surface mount technology compatibility

Frequently Asked Questions(FAQ)

What is the maximum supply voltage tolerance for the AM26LV31EIRGYR driver IC when operating in industrial temperature environments?
The AM26LV31EIRGYR supports a supply voltage range of 3V to 3.6V, with a ±5% tolerance across its full operating temperature range of -40°C to 85°C. This narrow margin reflects its design for low-voltage digital systems where power integrity and noise margins are critical. In high-noise industrial settings, this tight regulation helps maintain signal integrity on RS422/RS485 lines without requiring additional level-shifting circuitry.
How does the AM26LV31EIRGYR compare to the AM26C31 in terms of ESD protection and noise immunity for long-distance serial communication?
While both devices target similar RS422/RS485 applications, the AM26LV31EIRGYR features enhanced ESD protection up to ±15 kV (IEC 61000-4-2) and improved common-mode transient immunity compared to the older AM26C31. The LV variant’s lower supply voltage (3–3.6V vs. 5V) necessitates stricter noise handling, making it more suitable for space-constrained, low-power designs where robustness against EMI is essential. The AM26C31 remains viable in non-critical 5V systems but lacks the same transient performance at reduced voltages.
Can the AM26LV31EIRGYR be used in half-duplex RS485 networks with automatic direction control?
Yes, the AM26LV31EIRGYR can support half-duplex RS485 configurations, but it requires external logic for direction control due to its 4-transmit-only architecture (no receiver). A GPIO pin from an MCU can enable or disable the driver via the DE (Driver Enable) input. For automatic switching based on bus activity, a separate transceiver with built-in direction control—such as the SN75HVD10—is typically preferred, as it eliminates timing mismatches and improves collision avoidance.
What are the key differences between the 16-VQFN (4x3.5) package of the AM26LV31EIRGYR and larger DIP alternatives in terms of thermal and electrical performance?
The compact 16-VQFN package offers superior thermal dissipation through its exposed pad and reduces parasitic inductance and capacitance, which improves signal integrity at higher data rates. Compared to SOIC or DIP packages, it provides better noise isolation and supports tighter PCB routing. However, soldering alignment and rework are more challenging, requiring precise reflow profiles. The small footprint also minimizes board real estate—critical in modular or embedded systems.
Is the AM26LV31EIRGYR suitable for use in automotive applications requiring ISO 7637 compliance?
No, the AM26LV31EIRGYR is not qualified for automotive environments. It operates within a -40°C to 85°C temperature range and lacks the robustness required by ISO 7637 pulse tests for load dump and transient surges typical in vehicle electrical systems. Automotive-grade alternatives like the SN65HVD230 or TJA1050 offer extended temperature ranges (up to +125°C) and higher surge immunity, making them preferable for CAN or RS485 interfaces in vehicles.
What impact does the 16-VQFN package’s exposed pad have on PCB layout and grounding strategy for the AM26LV31EIRGYR?
The exposed pad on the 16-VQFN package must be connected directly to the ground plane to ensure proper heat dissipation and minimize electromagnetic interference. It should be tented or filled with solder and vias should be placed beneath it to stitch the IC to the main ground. Poor thermal management can lead to increased junction temperatures under continuous transmit load, potentially affecting reliability over time.
How does the data rate capability of the AM26LV31EIRGYR compare to other Texas Instruments RS485 drivers at 3.3V operation?
The AM26LV31EIRGYR supports standard RS422/RS485 data rates up to 25 Mbps, consistent with many modern low-voltage transceivers. At 3.3V operation, however, propagation delay increases slightly compared to 5V devices, which may limit achievable throughput in very long cable runs or noisy environments. Devices like the SN75LVDS83B offer higher speed but are not RS485-compatible, highlighting the trade-off between protocol compliance and raw bandwidth.
What precautions should be taken when replacing the AM26LV31EIRGYR in an existing design to avoid latch-up or supply reversal damage?
To prevent latch-up or reverse-battery damage, ensure that all power rails ramp up simultaneously and that no backpowering occurs through I/O pins. Use series current-limiting resistors on VCC and consider adding Schottky diodes for reverse polarity protection if the system allows hot-swapping. The device’s low supply range makes it particularly sensitive to voltage overshoot or sequencing errors during power-up.
Can the AM26LV31EIRGYR drive multiple receivers on a single differential pair without signal degradation?
Yes, the AM26LV31EIRGYR complies with RS422 specifications, which allow driving up to ten unit loads (32 kΩ minimum input impedance per receiver). With modern transceivers supporting higher input impedances (often >12 kΩ), the driver can efficiently serve multiple nodes on a daisy-chained topology. However, total cable capacitance and stub lengths must remain below recommended limits (typically <150 pF and <1 meter, respectively) to preserve signal rise times and avoid reflections.
What is the significance of the Moisture Sensitivity Level (MSL) rating of 2 for the AM26LV31EIRGYR in manufacturing?
An MSL rating of 2 indicates that the AM26LV31EIRGYR can withstand one floor life period (up to 1 year) before baking is required if exposed to ambient humidity above 60% RH. This simplifies inventory handling and assembly scheduling compared to MSL 3 or higher parts, reducing the risk of popcorning during reflow soldering. Manufacturers must still follow standard JEDEC storage guidelines to preserve reliability.
How does the operating temperature range of the AM26LV31EIRGYR influence its selection for outdoor or harsh-environment installations?
With an operating range of -40°C to 85°C, the AM26LV31EIRGYR is suitable for most industrial control systems and outdoor enclosures that do not experience extreme thermal cycling or condensation. However, in applications where temperatures exceed 85°C (e.g., near motor drives or power supplies), derating may be necessary, or alternative components with extended temperature grades should be considered to ensure long-term stability.
What role does the base product number AM26LV31 play in identifying compatible variants and derivatives?
The base part number AM26LV31 encompasses several packaging and environmental variants, including different lead-free finishes, moisture sensitivity levels, and packing formats such as tape-and-reel or cut tape. Understanding this hierarchy helps engineers select appropriate versions for automated assembly while maintaining functional consistency across production lots.
Why might a designer choose the AM26LV31EIRGYR over a discrete MOSFET-based RS485 driver solution?
The AM26LV31EIRGYR integrates slew-rate control, short-circuit protection, and thermal shutdown in a single IC, reducing component count and board complexity compared to discrete solutions. Its built-in biasing and termination compatibility simplify layout, and its low quiescent current (<5 µA) benefits battery-powered systems. Discrete designs require careful matching of transistor characteristics and added filtering, increasing development time and failure risk.
What considerations apply when interfacing the AM26LV31EIRGYR with microcontrollers running at 3.3V logic levels?
Since the AM26LV31EIRGYR accepts 3.3V logic inputs (VIH(min) = 2.1V at 3.3V VCC), direct connection to 3.3V MCUs is possible without level shifters. However, ensure that the MCU’s output high voltage meets the VIH specification under worst-case conditions. Additionally, pull-up/pull-down resistors on the DI (Data Input) line may be needed to prevent floating states during reset or brownout conditions.
How does the absence of a receiver channel affect system-level design when using four AM26LV31EIRGYR devices?
Each AM26LV31EIRGYR contains only a driver stage; thus, receiving requires a separate transceiver (e.g., SN75HVD14). In multi-drop networks, this doubles component count unless paired with receive-only devices. Designers must allocate GPIOs for direction control and implement software protocols to manage transmission timing, increasing firmware complexity but preserving flexibility in network architecture.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments AM26LV31EIRGYR

Product Attribute AM26LV31EIRGYRG4 AM26LV31EIDRG4 AM26LV31EIPWRG4 AM26LV31EIPWR
Part Number AM26LV31EIRGYRG4 AM26LV31EIDRG4 AM26LV31EIPWRG4 AM26LV31EIPWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Data Rate - - - -
Type - - - -
Duplex - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Series - - - -
Number of Drivers/Receivers - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Protocol - - - -

AM26LV31EIRGYR Datasheet PDF

Download AM26LV31EIRGYR pdf datasheets and Texas Instruments documentation for AM26LV31EIRGYR - Texas Instruments.

HTML Datasheet
AM26LV31E.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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Brazil 7
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New Zealand 5
Asia India 4
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DHL & FedEx Shipment Charges Reference
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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.
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AM26LV31EIRGYR Image

AM26LV31EIRGYR

Texas Instruments
32D-AM26LV31EIRGYR

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

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