Overview
The LTC2851HDD#PBF is a low-power, high-speed RS485/RS422 transceiver produced by Analog Devices Inc. This component operates on a 3.3V supply and is designed for high-performance communication applications. It is part of the LTC2850, LTC2851, and LTC2852 family, each offering different configurations to suit various needs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage (VCC) | –0.3 to 7 | V |
| Logic Input Voltages (RE, DE, DI) | –0.3 to 7 | V |
| Interface I/O Voltage Range | (VCC – 15) to 15 | V |
| Maximum Data Rate | 20 | Mbps |
| Receiver Output Voltage Range | –0.3 to (VCC + 0.3) | V |
| Operating Temperature Range | 0 to 70 | °C |
| Driver Input to Output Delay | 10 to 50 | ns |
| Driver Output Rise/Fall Time | 4 to 12.5 | ns |
| Package Types | SO-8, MSOP-8, DFN-8 |
Key Features
- Low power consumption, making it suitable for battery-powered devices.
- High-speed data transmission up to 20 Mbps.
- Compatibility with TIA/EIA-485-A specifications.
- No damage or latchup up to ±15kV HBM (Human Body Model) for enhanced reliability.
- High input impedance supporting up to 256 nodes.
- Operation up to 125°C, ensuring performance in harsh environments.
- Available in various packages including SO-8, MSOP-8, and DFN-8.
Applications
- Industrial automation and control systems.
- Automotive communication networks (e.g., CAN, Ethernet).
- Building automation and smart home systems.
- Medical devices requiring reliable and high-speed communication.
- Point-of-sale terminals and other commercial equipment.
Q & A
- What is the maximum data rate of the LTC2851HDD#PBF?
The maximum data rate is 20 Mbps. - What are the operating temperature ranges for this component?
The operating temperature range is from 0°C to 70°C. - Is the LTC2851HDD#PBF compatible with TIA/EIA-485-A specifications?
Yes, it is compatible with TIA/EIA-485-A specifications. - What are the available package types for the LTC2851HDD#PBF?
The available package types are SO-8, MSOP-8, and DFN-8. - Does the LTC2851HDD#PBF have any special protection features?
Yes, it has no damage or latchup up to ±15kV HBM. - How many nodes can the LTC2851HDD#PBF support?
It supports up to 256 nodes due to its high input impedance. - What is the supply voltage range for the LTC2851HDD#PBF?
The supply voltage range is from –0.3V to 7V. - Is the LTC2851HDD#PBF suitable for high-temperature environments?
Yes, it can operate up to 125°C. - What are some typical applications of the LTC2851HDD#PBF?
Typical applications include industrial automation, automotive communication networks, building automation, and medical devices. - Does the LTC2851HDD#PBF have a low power shutdown mode?
No, the LTC2851 does not have a low power shutdown mode, unlike the LTC2850 and LTC2852.
