# RS-485 Transceiver Texas Instruments SN65HVD1781DR SOIC-8, 1/1 Driver/Receiver

**URL:** https://aio.lv/en/product--texas-instruments-sn65hvd1781dr--12220149
**Data updated:** 2026-03-29 16:07 (EEST)
**Category:** Network Transceiver Modules
**Manufacturer:** texas instruments
**Manufacturer code:** SN65HVD1781DR
**EAN:** 2050002175969
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--texas-instruments-sn65hvd1781dr--12220149

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Texas Instruments SN65HVD1781DR is an RS-485 differential transceiver in an SOIC-8 package providing one driver and one receiver (1/1). Designed for half- or full-duplex serial bus communication, it supports robust differential signalling for industrial and embedded data links. Typical uses include serial networking, multi-drop communication, and reliable long-distance data transmission in control systems.

## Long description

The Texas Instruments SN65HVD1781DR is an RS-485 differential transceiver in an SOIC-8 package that integrates one driver and one receiver. It is engineered for half- or full-duplex serial bus communication and provides robust differential signalling suitable for industrial and embedded data links. The component supports multi-drop topologies and long-distance data transmission with immunity to common-mode noise typical in control and automation systems.
Advantages
The transceiver offers a compact SOIC-8 footprint for board-level integration, combining driver and receiver functionality in a single device to reduce component count. Its differential signalling improves noise immunity and enables reliable communication over extended cable runs. The device is compatible with standard RS-485 networks and is designed to meet requirements for industrial serial communication, with predictable receiver thresholds and driver output levels for interoperability.
Suitable for
Industrial control networks and programmable logic controller (PLC) links
Embedded systems requiring robust serial communication
Multi-drop bus topologies and sensor networks
Long-distance data transmission over twisted-pair cabling
Key specifications
Package: SOIC-8 surface-mount
Channel configuration: one driver and one receiver (1/1)
Interface standard: RS-485 differential signalling
Operation mode: supports half-duplex and full-duplex systems (depending on bus wiring and direction control)
Signal type: differential data lines for improved common-mode noise rejection
Typical application environment: industrial and embedded data links
How to use
Place the SOIC-8 transceiver on the PCB following the manufacturer’s recommended footprint and orientation. Connect the differential A and B lines to the bus cabling (twisted-pair) and implement proper termination resistors at the ends of the line to minimize reflections. Provide a stable supply voltage within the device’s specified range and route ground and power traces to reduce noise. For half-duplex operation, implement direction control using the device’s enable/driver control pins; for full-duplex, wire separate driver and receiver pairs accordingly. Observe recommended layout practices for decoupling capacitors close to the power pins.
Использование и рекомендации
For reliable operation in noisy environments, use twisted-pair shielded cable, install termination resistors at bus ends, and add common-mode chokes or surge protection where needed. Follow the device datasheet for supply voltage, decoupling, and thermal considerations to ensure stable performance.

## FAQ

### How much does the Texas Instruments SN65HVD1781DR RS-485 Transceiver cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2307 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All texas instruments products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized texas instruments service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

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