SN65HVD1780D Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN65HVD1780D is a 70V fault-protected RS-485/RS-422 transceiver from Texas Instruments featuring differential Schmitt trigger inputs, ±60mA driver output current, and half-duplex operation in an SO-8 package. From $0.66 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SN65HVD1780D Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6589(MOQ 1)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN65HVD1780D?
- 70V bus fault protection on driver and receiver pins — withstands shorts to ±70V supply rails
- Differential Schmitt trigger receiver inputs for superior noise immunity in harsh industrial environments
- Half-duplex single-channel design (EIA-485-A / TIA-485-A) simplifies multi-drop network wiring
- Wide common-mode input voltage range −7V to +12V enables long-cable industrial installations
- SO-8 small outline package with lead-free (Pb-free) compliance for compact PCB layouts
What is SN65HVD1780D used for?
SN65HVD1780D is widely used in industrial automation and process control systems where RS-485 buses must survive harsh electrical environments, including motor drives, PLCs, and field-bus networks. Its 70V fault protection makes it ideal for building automation, HVAC controls, and instrumentation that may encounter wiring faults or high-voltage transients. The device also suits smart metering, RS-485 repeaters, and any multi-drop serial link requiring long-distance, noise-immune differential signaling.
What are the specifications of SN65HVD1780D?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485-A; TIA-485-A |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Out Swing-Min | 0.8V |
| Output Characteristics | DIFFERENTIAL |
| Output Low Current-Max | 0.008A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 200ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 6mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3.15V |
| Supply Voltage-Nom | 5V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 3.15V |
| Supply Voltage1-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 2000ns |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the SN65HVD1780D datasheet?
SN65HVD1780D Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN65HVD1780D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN65HVD1780D and what makes it different from a standard RS-485 transceiver?
The SN65HVD1780D is a 70V fault-protected RS-485/RS-422 line transceiver from Texas Instruments. Unlike standard RS-485 devices rated to ±15V, it tolerates bus faults up to ±70V on driver and receiver pins, protecting the IC and connected circuitry in environments prone to wiring errors or voltage surges. It integrates a differential Schmitt trigger receiver and supports up to 32 unit loads on a single bus.
What are the key electrical specifications of the SN65HVD1780D?
Key parameters include: supply voltage 3.3V or 5V (4.5V–5.5V typical), bus fault protection ±70V, driver output current ±60mA, receiver input threshold ±200mV (differential), common-mode input range −7V to +12V, data rate up to 10 Mbps, and operating temperature −40°C to +85°C. The device is packaged in an 8-pin SO-8 (SOIC) with Pb-free finish (JESD-609 e4).
What are typical applications for the SN65HVD1780D?
Typical applications include industrial RS-485 multi-drop networks, PLC and DCS field buses, building automation (HVAC, BACnet), smart energy meters, motor drive control links, and any half-duplex serial communication system where the bus may be exposed to wiring faults, long cable runs, or high-voltage transients. The 70V protection is especially valuable in factory-floor and substation environments.
What packages are available and are there pin-compatible alternatives?
The SN65HVD1780D comes in an 8-pin SOIC (SO-8) package. Texas Instruments also offers the SN65HVD1780DR (tape-and-reel variant) and the SN65HVD1781 (full-duplex version). Pin-compatible third-party alternatives with similar 70V fault protection include the Maxim MAX3430 and the Analog Devices ADM2795E, though exact electrical specs should be verified before substitution.
How do I buy the SN65HVD1780D and what is the price?
The SN65HVD1780D is available from global distributors including Digi-Key, Mouser, and Arrow. Pricing starts at approximately $0.66 per unit at volume quantities. FindMyChip maintains real-time stock aggregation across multiple suppliers worldwide, enabling fast sourcing and competitive quote requests with worldwide shipping options.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.4900 | $5.49 |
| 10+ | $4.3500 | $43.50 |
| 25+ | $4.1700 | $104.25 |
| 75+ | $3.7200 | $279.00 |
| 295+ | $0.6846 | $201.96 |
| 380+ | $0.6589 | $250.38 |
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