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SN65HVD3088E

ACTIVE

Low-power Half-duplex RS-485 Transceiver

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Data sheet
Low-power Half-duplex RS-485 Transceiver

SN65HVD3088E

ACTIVE
Data sheet Order now

Product details

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (Nom) (V) 5 Signaling rate (Max) (Mbps) 20 IEC 61000-4-2 contact (+/- kV) — 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) 20 IEC 61000-4-2 contact (+/- kV) — 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
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SOIC (D) 8 19 mm² 3.91 x 4.9 VSSOP (DGK) 8 15 mm² 3 x 4.9
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  • 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
  • Failsafe 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
  • Failsafe receiver (bus open, bus shorted, bus idle)
  • Glitch-free power-up and power-down bus inputs and outputs
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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 makes them suitable for demanding applications such as energy meter networks, electrical inverters, status and command signals across telecom racks, cabled chassis interconnects, and industrial automation networks where noise tolerance is essential. These devices match the industry-standard footprint of the SN75176 device. 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 are 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 makes them suitable for demanding applications such as energy meter networks, electrical inverters, status and command signals across telecom racks, cabled chassis interconnects, and industrial automation networks where noise tolerance is essential. These devices match the industry-standard footprint of the SN75176 device. 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 are 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. L) 09 Nov 2021
User guide RS-485 Half-Duplex EVM User's Guide (Rev. C) 01 Sep 2021
Analog design journal Detection of RS-485 Signal Loss 10 Oct 2006

Design & development

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Simulation model

SN65HVD3088E IBIS Model

SLLC221.ZIP (11 KB) - IBIS Model
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Reference designs

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The TIDA-01171 reference design allows for RS-485 communication over an AC-coupled link, even at very low data rates.  This allows for nodes to communicate even when large ground potential differences exist between nodes.  Using AC coupling also helps to protect transceivers from bus (...)
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SOIC (D) 8 View options
VSSOP (DGK) 8 View options

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