SN65HVD3082E

ACTIVE

Product details

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (Nom) (V) 5 Signaling rate (Max) (Mbps) 0.2 Fault protection (V) -9 to 14 Common mode range -7 to 12 Number of nodes 256 Isolated No ICC (Max) (mA) 0.9 Rating Catalog Operating temperature range (C) -40 to 85
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (Nom) (V) 5 Signaling rate (Max) (Mbps) 0.2 Fault protection (V) -9 to 14 Common mode range -7 to 12 Number of nodes 256 Isolated No ICC (Max) (mA) 0.9 Rating Catalog Operating temperature range (C) -40 to 85
PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 3.91 x 4.9 SOIC (D) 8 19 mm² 4.9 x 3.9 VSSOP (DGK) 8 15 mm² 3 x 4.9
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • Low quiescent power
    • 0.3-mA Active mode
    • 1-nA Shutdown mode
  • 1/8 Unit load up to 256 nodes on a bus
  • Bus-pin ESD protection up to 15 kV
  • Industry-standard SN75176 footprint
  • Fail-safe receiver (bus open, bus shorted, bus idle)
  • Glitch-free power-up and power-down bus inputs and outputs
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • Low quiescent power
    • 0.3-mA Active mode
    • 1-nA Shutdown mode
  • 1/8 Unit load up to 256 nodes on a bus
  • Bus-pin ESD protection up to 15 kV
  • Industry-standard SN75176 footprint
  • Fail-safe receiver (bus open, bus shorted, bus idle)
  • Glitch-free power-up and power-down bus inputs and outputs

The SNx5HVD308xE are half-duplex transceivers designed for RS-485 data bus networks. Powered by a 5-V supply, they are fully compliant with TIA/EIA-485A standard. With controlled transition times, these devices are suitable for transmitting data over long twisted-pair cables. The SN65HVD3082E and SN75HVD3082E are optimized for signaling rates up to 200 kbps. The SN65HVD3085E is suitable for data transmission up to 1 Mbps, whereas the SN65HVD3088E is suitable for applications that require signaling rates up to 20 Mbps.

These devices are designed to operate with very low supply current, typically 0.3 mA, exclusive of the load. When in the inactive-shutdown mode, the supply current drops to a few nanoamps, which makes these devices ideal for power-sensitive applications.

The wide common-mode range and high ESD protection levels of these devices, make them suitable for demanding applications such as energy meter networks, electrical inverters, status and command signals across telecom racks, as well as cabled chassis interconnects, and industrial automation networks where noise tolerance is essential. These devices match the industry-standard footprint of the SN75176 device. The power-on-reset circuits keep the outputs in a high-impedance state until the supply voltage has stabilized. A thermal-shutdown function protects the device from damage, due to system fault conditions. The SN75HVD3082E is characterized for operation from 0°C to 70°C and SN65HVD308xE is characterized for operation from –40°C to 85°C air temperature. The D package version of the SN65HVD3082E has been characterized for operation from –40°C to 105°C.

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The SNx5HVD308xE are half-duplex transceivers designed for RS-485 data bus networks. Powered by a 5-V supply, they are fully compliant with TIA/EIA-485A standard. With controlled transition times, these devices are suitable for transmitting data over long twisted-pair cables. The SN65HVD3082E and SN75HVD3082E are optimized for signaling rates up to 200 kbps. The SN65HVD3085E is suitable for data transmission up to 1 Mbps, whereas the SN65HVD3088E is suitable for applications that require signaling rates up to 20 Mbps.

These devices are designed to operate with very low supply current, typically 0.3 mA, exclusive of the load. When in the inactive-shutdown mode, the supply current drops to a few nanoamps, which makes these devices ideal for power-sensitive applications.

The wide common-mode range and high ESD protection levels of these devices, make them suitable for demanding applications such as energy meter networks, electrical inverters, status and command signals across telecom racks, as well as cabled chassis interconnects, and industrial automation networks where noise tolerance is essential. These devices match the industry-standard footprint of the SN75176 device. The power-on-reset circuits keep the outputs in a high-impedance state until the supply voltage has stabilized. A thermal-shutdown function protects the device from damage, due to system fault conditions. The SN75HVD3082E is characterized for operation from 0°C to 70°C and SN65HVD308xE is characterized for operation from –40°C to 85°C air temperature. The D package version of the SN65HVD3082E has been characterized for operation from –40°C to 105°C.

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Technical documentation

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Type Title Date
* Data sheet SNx5HVD308xE Low-Power RS-485 Transceivers datasheet (Rev. M) PDF | HTML 17 Feb 2022
EVM User's guide RS-485 Half-Duplex EVM User's Guide (Rev. C) PDF | HTML 01 Sep 2021
Technical article Can your RS-485 communication survive the great outdoors? 29 Mar 2019
Design guide AC-Coupled RS-485 Design Guide 15 Jun 2016
Design guide Automatic Direction Control RS-485 Design Guide 02 Jun 2016
Technical article Get Connected: The basics of protecting RS-485 against ESD 23 Oct 2015
Application note RS-485 for E-Meter Applications (Rev. A) 06 Aug 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

RS485-HF-DPLX-EVM — RS-485 half-duplex evaluation module

The RS-485 half-duplex evaluation module (EVM) helps designers evaluate device performance, supporting fast development and analysis of data-transmission systems using any of the SN65HVD1x, SN65HVD2x, SN65HVD7x, SN65HVD8x and SN65HVD96 half-duplex transceivers. The EVM board comes without the (...)
User guide: PDF | HTML
Not available on TI.com
Simulation model

SN65HVD3082E IBIS Model

SLLC149.ZIP (12 KB) - IBIS Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
Reference designs

TIDA-01365 — Bidirectional RS-485 Fan-Out Hub Reference Design

The Bidirectional RS-485 Fan-Out Hub Reference Design (TIDA-01365) documents and tests an RS-485 fan-out hub design where 1:N and N:1 RS-485 signals are aggregated in and out of any bus topology. This design also features automatic direction control, for reduced pin count on microcontrollers, and (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00731 — IEC ESD, EFT, and Surge Protected RS-485 Reference Design

The TIDA-00731 is a reference design examining how to protect an RS-485 bus against lethal transient waveforms such as IEC ESD, IEC EFT, and IEC surge. The reference design shows the level of protection that can be achieved through the implementation of an external protection scheme on the bus (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00308 — Small Form Factor, Half-Duplex With Isolated & Non-Isolated RS485 Interface Reference Design

RS485 (Isolated, Non-isolated) is a popular interface for the Grid Infrastructure space, and is one of the most important options on newly designed equipment. TIDA-00308 will enable customers to quickly evaluate and design with TI RS485 devices for 3 different application scenarios, with an (...)
Design guide: PDF
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Reference designs

TIDA-01090 — RS-485 Automatic Direction Control Reference Design

The TIDA-01090 reference design enables half-duplex communication over an RS-485 bus without requiring additional driver-enable/receiver-enable controls.  The design allows for the transceiver used on each node to go into transmit mode automatically when data is being transmitted from a local (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00730 — RS-485 IEC ESD Reference Design

The TIDA-00730 is an reference design examining how to protect an RS-485 bus against leathal transient waveforms such as IEC ESD, IEC EFT, and IEC surge. The reference design shows the level of protection that can be achieved through the implementation of a TVS diode on the bus lines of a standard (...)
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This report introduced the methodology to implement an ultra low power real time clock with temperature compensation function in MSP430F6736. This report describes the crystal’s temperature characteristics and posts to use MSP430F6736’s RTC_C module plus software to implement a ultra (...)
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Reference designs

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Serial communications have been widely used in grid infrastructure equipments. But the limitation of transmission distance and bandwidth of serial communication leads to demand for a more flexible and high-speed method to meet modern smart grid network migration. Ethernet has been accepted as an (...)
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Schematic: PDF
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PDIP (P) 8 View options
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

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