Overview
The SN65HVD3088EDGKR is a low-power half-duplex RS-485 transceiver manufactured by Texas Instruments. This device is designed to operate in RS-485 data bus networks and is fully compliant with the TIA/EIA-485A standard. It is powered by a 5-V supply and is suitable for transmitting data over long twisted-pair cables. The SN65HVD3088E is optimized for high-speed data transmission, supporting signaling rates up to 20 Mbps, making it ideal for demanding applications where high data rates are required.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Signaling Rate | Up to 20 | Mbps |
| Supply Voltage | 4.75 to 5.25 | V |
| Quiescent Current (Active Mode) | 0.3 | mA |
| Quiescent Current (Shutdown Mode) | 1 | nA |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | VSSOP (DGK) | - |
| Number of Pins | 8 | - |
| Bus-Pin ESD Protection | Up to 15 | kV |
| Common-Mode Range | -7 to 12 | V |
Key Features
- Meets or exceeds the requirements of the TIA/EIA-485A standard
- Low quiescent power: 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 (bus open, bus shorted, bus idle)
- Glitch-free power-up and power-down bus inputs and outputs
- Thermal-shutdown function for device protection
- Power-on-reset circuits to keep outputs in a high-impedance state until supply voltage stabilizes
Applications
The SN65HVD3088EDGKR is suitable for a variety of demanding applications, including:
- Energy meter networks
- Electrical inverters
- Status and command signals across telecom racks
- Cabled chassis interconnects
- Industrial automation networks where noise tolerance is essential
Q & A
- What is the maximum signaling rate of the SN65HVD3088EDGKR?
The SN65HVD3088EDGKR supports signaling rates up to 20 Mbps.
- What is the typical quiescent current in active mode?
The typical quiescent current in active mode is 0.3 mA.
- What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is 1 nA.
- What is the operating temperature range of the SN65HVD3088EDGKR?
The operating temperature range is from -40°C to 85°C.
- What type of package does the SN65HVD3088EDGKR come in?
The SN65HVD3088EDGKR comes in a VSSOP (DGK) package with 8 pins.
- What is the bus-pin ESD protection level of the SN65HVD3088EDGKR?
The bus-pin ESD protection level is up to 15 kV.
- Does the SN65HVD3088EDGKR meet industry standards?
Yes, it meets or exceeds the requirements of the TIA/EIA-485A standard.
- What is the common-mode range of the SN65HVD3088EDGKR?
The common-mode range is from -7 V to 12 V.
- What kind of thermal protection does the SN65HVD3088EDGKR have?
The device has a thermal-shutdown function to protect it from damage due to system fault conditions.
- What is the purpose of the power-on-reset circuits in the SN65HVD3088EDGKR?
The power-on-reset circuits keep the outputs in a high-impedance state until the supply voltage has stabilized.
