Overview
The SN65HVD82DR, manufactured by Texas Instruments, is a robust RS-485/RS-422 transceiver IC designed for industrial applications. This component integrates both a driver and a receiver, making it suitable for half-duplex communication over two-wire buses. It operates from a single 5V power supply and is capable of withstanding harsh environmental conditions, with a temperature range of -40°C to 85°C. Its market positioning targets industrial automation, long-distance communication, and multipoint networks, offering high reliability and ESD protection.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Model | SN65HVD82DR | - | - |
| Category | RS-485/RS-422 Transceiver | - | - |
| Supply Voltage | 4.5V ~ 5.5V | V | - |
| Data Rate | 250 | Kbps | - |
| Driver/Receiver | 1/1 | - | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| ESD Protection | ±16kV (HBM), ±12kV (IEC 61000-4-2), +4kV (IEC 61000-4-4) | - | Robust ESD protection |
| Standby Current | <1μA | μA | Low power consumption |
| Quiescent Current | <1mA | mA | Low power consumption |
| Receiver Hysteresis | 60mV | mV | Noise suppression |
Key Features
- Combines driver and receiver for half-duplex communication.
- Wide common-mode voltage range for long-distance applications.
- High ESD protection ensures durability in harsh environments.
- Low power consumption with standby current less than 1μA.
- Optimized for data rates up to 250kbps.
Applications
The SN65HVD82DR is widely used in industrial automation, process control, and long-distance communication systems. Its robust design makes it ideal for environments with high noise levels or extreme temperatures. Typical applications include motor control systems, remote sensor networks, and industrial bus communication.
Q & A
1. What is the operating voltage range of SN65HVD82DR?
The operating voltage range is 4.5V to 5.5V.
2. What is the maximum data rate supported by this transceiver?
The maximum data rate is 250kbps.
3. Does SN65HVD82DR support half-duplex communication?
Yes, it is designed for half-duplex communication over two-wire buses.
4. What is the temperature range for operation?
It operates from -40°C to 85°C.
5. What level of ESD protection does this component offer?
It provides ±16kV HBM, ±12kV IEC 61000-4-2, and +4kV IEC 61000-4-4 ESD protection.
6. Is SN65HVD82DR suitable for long-distance communication?
Yes, its wide common-mode voltage range makes it ideal for long-distance applications.
7. What is the standby current consumption?
The standby current is less than 1μA.
8. Does this transceiver have noise suppression features?
Yes, it features a receiver hysteresis of 60mV for noise suppression.
9. What is the typical application of SN65HVD82DR?
It is commonly used in industrial automation, motor control, and remote sensor networks.
10. Is SN65HVD82DR RoHS compliant?
Yes, it is compliant with RoHS standards.
