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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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.
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Small Outline Packages
Integrated Circuit
| 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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