Overview
The SN75HVD3082EDRG4 is a low-power, half-duplex RS-485 transceiver manufactured by Texas Instruments. This device is part of the SN75HVD3082E series and is designed for use in RS-485 and RS-422 communication networks. It operates on a 5-V supply and is fully compliant with the TIA/EIA-485A standard. The transceiver is optimized for signaling rates up to 200 kbps and is suitable for transmitting data over long twisted-pair cables. It features controlled transition times, low quiescent power consumption, and high ESD protection levels, making it ideal for demanding applications such as energy meter networks, electrical inverters, and industrial automation networks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D, 8) | - |
| Pins | 8 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage | 4.5 to 5.5 | V |
| Signaling Rate | Up to 200 kbps | - |
| Bus-Pin ESD Protection | Up to 15 kV | - |
| Active Mode Supply Current | 0.3 mA | - |
| Shutdown Mode Supply Current | 1 nA | - |
| Differential Load Resistance | 54 to 60 Ω | - |
| Output Current | -60 to 60 mA | - |
Key Features
- Meets or exceeds the requirements of the TIA/EIA-485A standard.
- Low quiescent power consumption: 0.3 mA in active mode and 1 nA in shutdown mode.
- 1/8 unit load, allowing up to 256 nodes on a bus.
- Bus-pin ESD protection up to 15 kV.
- Industry-standard SN75176 footprint.
- Fail-safe receiver for open, shorted, or idle bus conditions.
- Glitch-free power-up and power-down bus inputs and outputs.
- Thermal-shutdown function for protection against system fault conditions.
Applications
- Energy meter networks.
- Motor control and power inverters.
- Industrial automation and building automation networks.
- Battery-powered applications.
- Telecommunications equipment.
- Cabled chassis interconnects and status/command signals across telecom racks.
Q & A
- What is the operating temperature range of the SN75HVD3082EDRG4?
The SN75HVD3082EDRG4 operates from 0°C to 70°C.
- What is the signaling rate capability of the SN75HVD3082EDRG4?
The SN75HVD3082EDRG4 is optimized for signaling rates up to 200 kbps.
- How many nodes can be connected to the bus using the SN75HVD3082EDRG4?
Up to 256 nodes can be connected to the bus due to its 1/8 unit load capability.
- What is the ESD protection level of the SN75HVD3082EDRG4?
The device has bus-pin ESD protection up to 15 kV).
- What is the typical supply current in active and shutdown modes?
In active mode, the supply current is typically 0.3 mA, and in shutdown mode, it drops to 1 nA).
- Does the SN75HVD3082EDRG4 have fail-safe receiver functionality?
Yes, it has fail-safe receiver functionality for open, shorted, or idle bus conditions).
- What type of package is the SN75HVD3082EDRG4 available in?
The SN75HVD3082EDRG4 is available in an 8-pin SOIC package).
- Is the SN75HVD3082EDRG4 suitable for industrial applications?
Yes, it is well-suited for industrial applications due to its robust design and high noise tolerance).
- Does the SN75HVD3082EDRG4 have thermal-shutdown protection?
Yes, it has a thermal-shutdown function to protect against system fault conditions).
- Is the SN75HVD3082EDRG4 compatible with the industry-standard SN75176 footprint?
Yes, it matches the industry-standard footprint of the SN75176 device).
