SN65HVD1785D Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN65HVD1785D is a 70V fault-protected RS-485/RS-422 line transceiver with differential Schmitt trigger input, -20V to +25V common-mode range, and 1/8-unit-load receiver. From $0.99 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SN65HVD1785D Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9949(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 SN65HVD1785D?
- 70V fault protection on bus pins guards against industrial voltage surges and short-circuit events
- Wide -20V to +25V common-mode voltage range for robust operation in electrically noisy environments
- 1/8-unit-load receiver allows up to 256 nodes on a single RS-485 bus
- Differential Schmitt trigger input enhances noise immunity and signal integrity
- EIA-485/TIA-485 compliant, available in compact SOIC-8 package for space-constrained designs
What is SN65HVD1785D used for?
The SN65HVD1785D is well-suited for industrial automation networks, factory floor control systems, and building automation where long-distance, multi-drop RS-485 communication is required. Its 70V fault protection and wide common-mode range make it ideal for harsh environments such as motor drive interfaces, PLCs, and HVAC control panels. It is also used in smart energy meters, RS-485 repeaters, and any application demanding high node-count bus configurations.
What are the specifications of SN65HVD1785D?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| High Level Input Current-Max | 0.0001A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485; TIA-485 |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Out Swing-Min | 1.5V |
| 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 | 4.5V |
| Supply Voltage-Nom | 5V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 4.5V |
| 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 SN65HVD1785D datasheet?
SN65HVD1785D Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN65HVD1785D?
Compatible alternatives and drop-in replacements for SN65HVD1785D:
Frequently Asked Questions
What is the maximum common-mode voltage range of the SN65HVD1785D?
The SN65HVD1785D supports a wide common-mode voltage range of -20V to +25V, making it highly resilient to ground potential differences and common-mode noise in industrial RS-485 networks.
How many nodes can be connected on a single RS-485 bus using the SN65HVD1785D?
Because the SN65HVD1785D features a 1/8-unit-load receiver input impedance, up to 256 devices can be connected on a single RS-485 bus segment, enabling large multi-drop network deployments.
What level of fault protection does the SN65HVD1785D provide?
The SN65HVD1785D offers 70V fault protection on its bus pins, protecting the device against overvoltage conditions, cable faults, and inadvertent connection to power lines common in industrial environments.
What package is the SN65HVD1785D available in and what are typical applications?
The SN65HVD1785D is available in an SOIC-8 (R-PDSO-G8) small outline package. Typical applications include industrial automation, PLCs, building automation systems, smart energy meters, and RS-485 multi-drop communication networks.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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+ | $3.9100 | $3.91 |
| 2+ | $3.0040 | $6.01 |
| 190+ | $1.0758 | $204.40 |
| 245+ | $1.0353 | $253.65 |
| 305+ | $0.9949 | $303.44 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit