Overview
The THVD1551DGKR is a robust RS-485/RS-422 transceiver manufactured by Texas Instruments, designed for reliable communication in harsh industrial environments. This model is part of the THVD15xx series, known for its high noise immunity and protection against electrical transients. It is packaged in a compact VSSOP-8 form factor, making it suitable for space-constrained applications. The THVD1551DGKR is widely used in industrial automation, building control systems, and other applications requiring long-distance data transmission.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 4.5 - 5.5 | V | |
| Data Rate | Up to 50 | Mbps | |
| ESD Protection | ±18 | kV | IEC 61000-4-2 |
| Operating Temperature | -40 to 125 | °C | |
| Package | VSSOP-8 |
Key Features
- Complies with TIA/EIA-485A standards
- Integrated ±18kV IEC ESD protection
- Extended common-mode voltage range (±15V)
- Low EMI emissions
- Fail-safe receiver for open, shorted, and idle bus conditions
Applications
The THVD1551DGKR is ideal for industrial automation, HVAC systems, and building control networks. Its robust design ensures reliable communication over long distances, even in electrically noisy environments. It is also suitable for multi-node RS-485 networks, providing efficient data transmission in applications such as motor control and process automation.
Q & A
What is the operating voltage range of the THVD1551DGKR?
The operating voltage range is 4.5V to 5.5V.
What is the maximum data rate supported by this transceiver?
It supports data rates up to 50Mbps.
Does the THVD1551DGKR include ESD protection?
Yes, it provides ±18kV IEC ESD protection.
What is the operating temperature range?
It operates from -40°C to 125°C.
What package does the THVD1551DGKR come in?
It is available in a VSSOP-8 package.
Is the THVD1551DGKR suitable for multi-node networks?
Yes, it is designed for multi-node RS-485 networks.
Does it support fail-safe receiver operation?
Yes, it includes fail-safe features for open, shorted, and idle bus conditions.
What are the typical applications of this transceiver?
It is used in industrial automation, HVAC systems, and building control networks.
Does it comply with industry standards?
Yes, it complies with TIA/EIA-485A standards.
What is the extended common-mode voltage range?
The extended common-mode voltage range is ±15V.
