Overview
The THVD1410DR from Texas Instruments is a half-duplex RS-485 transceiver designed for use in industrial and building automation applications. This device is part of the THVD14xx family, which is known for its robustness in rugged industrial environments. It operates from a single supply voltage between 3 V and 5.5 V, making it versatile across different systems. The THVD1410DR features extended common-mode voltage range, high data rate capabilities, and integrated ESD protection, making it suitable for multi-point applications over long cable runs.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D)-8 |
| Number of Receivers | 1 |
| Number of Transmitters | 1 |
| Duplex | Half |
| Supply Voltage (nom) | 3.3 V, 5 V |
| Signaling Rate (max) | 0.5 Mbps, 50 Mbps |
| IEC 61000-4-2 Contact (±V) | ±18 kV |
| Fault Protection (V) | -18 to 18 |
| Common-Mode Range (V) | -15 to 15 |
| Number of Nodes | 256 |
| Supply Current (max) | < 3 mA |
| Operating Temperature Range (°C) | -40 to 125 |
Key Features
- Meets or exceeds the requirements of the TIA/EIA-485A standard.
- 3 V to 5.5 V supply voltage range.
- Differential output exceeds 2.1 V for PROFIBUS compatibility with 5-V supply.
- Integrated ESD protection: ±18 kV IEC 61000-4-2 contact discharge, ±25 kV IEC 61000-4-2 air-gap discharge, and ±4 kV IEC 61000-4-4 fast transient burst.
- Extended operational common-mode range: ±15 V.
- Low EMI with data rates up to 500 kbps and 50 Mbps.
- Large receiver hysteresis for noise rejection.
- Low power consumption: Standby supply current < 1 µA, current during operation < 3 mA.
- Glitch-free power-up/down for hot plug-in capability.
- Open, short, and idle bus failsafe.
- 1/8 unit load (up to 256 bus nodes).
Applications
- Industrial automation.
- Building automation.
- HVAC systems.
- Security systems.
- Communication networks.
- Vehicle tracking systems.
- Infrastructure management.
- Wireless data transmission.
- Sensor networks.
- Energy management.
- Lighting control.
Q & A
- What is the THVD1410DR? The THVD1410DR is a half-duplex RS-485 transceiver from Texas Instruments designed for industrial and building automation applications.
- What is the supply voltage range of the THVD1410DR? The supply voltage range is 3 V to 5.5 V.
- What are the key features of the THVD1410DR? Key features include integrated ESD protection, extended common-mode range, low EMI, and low power consumption.
- What are the maximum data rates supported by the THVD1410DR? The device supports data rates up to 500 kbps and 50 Mbps.
- How many nodes can be connected using the THVD1410DR? Up to 256 nodes can be connected.
- What is the operating temperature range of the THVD1410DR? The operating temperature range is -40°C to 125°C.
- Does the THVD1410DR have built-in ESD protection? Yes, it has integrated ESD protection up to ±18 kV IEC 61000-4-2 contact discharge.
- What types of applications is the THVD1410DR suitable for? It is suitable for industrial automation, building automation, HVAC systems, security systems, and communication networks.
- What package types are available for the THVD1410DR? The device is available in SOIC (D)-8, VSON, and VSSOP packages.
- Is the THVD1410DR compatible with PROFIBUS? Yes, it is compatible with PROFIBUS and other industrial protocols.
