Overview
The SN65HVD3086EDGSR is a low-power RS-485 full-duplex driver and receiver designed by Texas Instruments. This device is optimized for use in RS-485 or RS-422 data bus networks and is powered by a 5-V supply. It is fully compliant with the TIA/EIA-485A standard and supports signaling rates from 200 kbps to 20 Mbps. The SN65HVD3086EDGSR is characterized by its low quiescent power consumption, making it suitable for power-sensitive applications. It operates over a temperature range of -40°C to 85°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Supply Current (ICC) - Receiver Enabled, Driver Enabled | 375 | 750 | - | μA |
| Supply Current (ICC) - Shutdown Mode | 2 | - | 1000 | nA |
| Differential Output Voltage (|VOD|) - No Load | 3 | 4.3 | - | V |
| Propagation Delay Time (tPZL) - High-Impedance to Low-Level Output | 12 | 30 | - | ns |
| ESD Protection - Bus Pins | - | - | 16 kV | - |
| ESD Protection - All Pins | - | - | 6 kV | - |
| Operating Temperature Range | -40 | - | 85 | °C |
Key Features
- Low quiescent power consumption: 375 μA (typical) in enabled mode and 2 nA (typical) in shutdown mode.
- Small MSOP package.
- 1/8 Unit-Load, supporting up to 256 nodes per bus.
- 16 kV bus-pin ESD protection and 6 kV all-pin ESD protection.
- Failsafe receiver operation for bus open, short, or idle conditions.
- TIA/EIA-485A Standard compliant and RS-422 compatible.
- Power-up and power-down glitch-free operation.
Applications
- Motion controllers.
- Point-of-sale (POS) terminals.
- Rack-to-rack communications.
- Industrial networks.
- Power inverters.
- Battery-powered applications.
- Building automation.
Q & A
- What is the typical supply current of the SN65HVD3086EDGSR when the receiver and driver are enabled?
The typical supply current is 375 μA when the receiver and driver are enabled and there is no load.
- What is the ESD protection level for the bus pins of the SN65HVD3086EDGSR?
The ESD protection level for the bus pins is 16 kV.
- What is the operating temperature range of the SN65HVD3086EDGSR?
The operating temperature range is -40°C to 85°C.
- Is the SN65HVD3086EDGSR compliant with the TIA/EIA-485A standard?
- What is the maximum number of nodes supported per bus by the SN65HVD3086EDGSR?
The device supports up to 256 nodes per bus due to its 1/8 Unit-Load capability).
- What are the typical propagation delay times for the SN65HVD3086EDGSR?
The propagation delay time from high-impedance to low-level output is typically 12 to 30 ns).
- Does the SN65HVD3086EDGSR have failsafe receiver operation?
- What are some common applications for the SN65HVD3086EDGSR?
- What is the package type for the SN65HVD3086EDGSR?
The device is available in VSSOP (DGS) and SOIC (D) packages).
- Is the SN65HVD3086EDGSR suitable for power-sensitive applications?
