Overview
The SN65HVD75DGK is a 3.3-V supply RS-485 interface IC manufactured by Texas Instruments. This device is designed for demanding industrial applications, featuring robust 3.3-V drivers and receivers in a small package. It combines a differential driver and a differential receiver, operating from a single 3.3-V power supply, and is suitable for half-duplex (two-wire bus) communication. The device is characterized over an extended industrial temperature range of –40°C to 125°C and is ideal for multi-point applications over long cable runs due to its wide common-mode voltage range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VSSOP (DGK) | - |
| Pins | 8 | - |
| Operating Temperature Range | –40 to 125 | °C |
| Signaling Rate Options | 250 kbps, 20 Mbps, 50 Mbps | - |
| Supply Voltage | 3.3 V | V |
| Supply Current (Quiescent) | < 1 mA | mA |
| Standby Supply Current | < 2 µA | µA |
| ESD Protection | ±15 kV HBM, ±12 kV IEC 61000-4-2, ±4 kV IEC 61000-4-4 | kV |
| Receiver Hysteresis | 80 mV | mV |
| Maximum Number of Connected Nodes | Over 200 | - |
Key Features
- Small-size VSSOP packages save board space, or SOIC for drop-in compatibility.
- Bus I/O protection with high levels of ESD protection (±15 kV HBM, ±12 kV IEC 61000-4-2, ±4 kV IEC 61000-4-4).
- Extended industrial temperature range: –40°C to 125°C.
- Large receiver hysteresis (80 mV) for noise rejection.
- Low unit-loading allows over 200 connected nodes.
- Low power consumption with low standby supply current (< 2 µA) and ICC < 1 mA quiescent during operation.
- 5-V tolerant logic inputs compatible with 3.3-V or 5-V controllers.
- Signaling rate options optimized for 250 kbps, 20 Mbps, 50 Mbps.
- Glitch-free power-up and power-down bus inputs and outputs).
Applications
- Factory Automation.
- Telecommunications Infrastructure.
- Motion Control.
Q & A
- What is the operating temperature range of the SN65HVD75DGK? The operating temperature range is –40°C to 125°C.
- What are the signaling rate options for the SN65HVD75DGK? The signaling rate options are 250 kbps, 20 Mbps, and 50 Mbps.
- What type of ESD protection does the SN65HVD75DGK offer? The device offers ±15 kV HBM, ±12 kV IEC 61000-4-2, and ±4 kV IEC 61000-4-4 ESD protection.
- How many nodes can be connected using the SN65HVD75DGK? Over 200 nodes can be connected.
- What is the supply voltage for the SN65HVD75DGK? The supply voltage is 3.3 V.
- Is the SN65HVD75DGK compatible with 5-V logic inputs? Yes, it is 5-V tolerant and compatible with 3.3-V or 5-V controllers.
- What is the typical quiescent supply current of the SN65HVD75DGK? The typical quiescent supply current is less than 1 mA.
- Does the SN65HVD75DGK have glitch-free power-up and power-down capabilities? Yes, it does.
- In what package types is the SN65HVD75DGK available? It is available in VSSOP (DGK) and SOIC packages.
- What are some common applications of the SN65HVD75DGK? Common applications include factory automation, telecommunications infrastructure, and motion control.
