Overview
The SN65HVD75DRBR is a 3.3V half-duplex RS-485 transceiver manufactured by Texas Instruments. This device is designed for demanding industrial applications, featuring robust 3.3V drivers and receivers in a compact package. It operates from a single 3.3V power supply and includes both differential drivers and differential receivers, making it suitable for multi-point applications over long cable runs.
Key Specifications
| Specification | Value |
|---|---|
| Number of Receivers | 1 |
| Number of Transmitters | 1 |
| Duplex | Half |
| Supply Voltage (Nominal) | 3.3 V |
| Signaling Rate (Maximum) | 20 Mbps |
| IEC 61000-4-2 Contact Discharge Protection | ±12 kV |
| Fault Protection Voltage Range | -13 to 16.5 V |
| Common Mode Range | -7 to 12 V |
| Number of Nodes | 200 |
| ICC (Maximum) | 0.95 mA |
| Operating Temperature Range | -40°C to 125°C |
| Package | SOIC (D), VSON (DRB), VSSOP (DGK) |
| Pins | 8 |
Key Features
- Small-size VSSOP packages save board space, or SOIC for drop-in compatibility.
- Bus I/O protection with ±15 kV HBM, ±12 kV IEC 61000-4-2 contact discharge, and ±4 kV IEC 61000-4-4 fast transient burst protection.
- 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
The SN65HVD75DRBR is ideal for demanding industrial applications, including multi-point communication systems over long cable runs. It is suitable for use in various industrial environments due to its robust ESD protection and wide operating temperature range. Common applications include industrial automation, process control, and any scenario requiring reliable RS-485 communication.
Q & A
- What is the SN65HVD75DRBR? The SN65HVD75DRBR is a 3.3V half-duplex RS-485 transceiver manufactured by Texas Instruments.
- What are the key features of the SN65HVD75DRBR? Key features include small-size packages, bus I/O protection, extended industrial temperature range, large receiver hysteresis, low power consumption, and 5-V tolerant logic inputs.
- What is the operating temperature range of the SN65HVD75DRBR? The operating temperature range is -40°C to 125°C.
- How many nodes can be connected using the SN65HVD75DRBR? Over 200 nodes can be connected.
- What are the signaling rate options for the SN65HVD75DRBR? The signaling rate options are 250 kbps, 20 Mbps, and 50 Mbps.
- Does the SN65HVD75DRBR have ESD protection? Yes, it has ±15 kV HBM, ±12 kV IEC 61000-4-2 contact discharge, and ±4 kV IEC 61000-4-4 fast transient burst protection.
- What are the package options for the SN65HVD75DRBR? The package options include SOIC (D), VSON (DRB), and VSSOP (DGK).
- How many pins does the SN65HVD75DRBR have? It has 8 pins.
- Is the SN65HVD75DRBR suitable for multi-point applications? Yes, it is suitable for multi-point applications over long cable runs.
- What is the typical power consumption of the SN65HVD75DRBR? The typical power consumption includes a low standby supply current (< 2 µA) and ICC < 1 mA quiescent during operation.
