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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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.
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| 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 |
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