Overview
The LTC2870IUFD#TRPBF, produced by Analog Devices Inc., is a robust and versatile multiprotocol transceiver that supports RS232, RS485, and RS422 communication protocols. This device is designed to operate over a wide voltage range of 3V to 5.5V, making it suitable for various industrial and commercial applications. The LTC2870IUFD#TRPBF features a compact 28-lead QFN package and is capable of full-duplex communication, enhancing its utility in complex communication systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VCC Supply Voltage | Operating Range | 3 | 5.5 | V | |
| VL Logic Supply Voltage | Operating Range (VL ≤ VCC) | 1.7 | VCC | V | |
| VCC Supply Current in Shutdown Mode | RXEN = VL, DXEN = TE485 = FEN = 0V | 8 | 60 | µA | |
| VCC Supply Current in Transceiver Mode | Outputs Unloaded | 3.3 | mA | ||
| RS232 Driver Output Low Voltage | RL = 3kΩ; VEE ≤ –5.9V | –5 | –5.7 | –7.5 | V |
| RS232 Driver Output High Voltage | RL = 3kΩ; VDD ≥ 6.5V | 5 | 6.2 | 7.5 | V |
| Operating Temperature Range | –40 | 85 | °C | ||
| Data Rate | 20 | Mbps |
Key Features
- Multiprotocol support for RS232, RS485, and RS422 communication protocols.
- Full-duplex communication capability.
- Integrated 220mV receiver hysteresis for improved noise immunity.
- High-speed data rate up to 20Mbps.
- Wide operating voltage range of 3V to 5.5V.
- Compact 28-lead QFN package with exposed pad for enhanced thermal performance.
- Low power consumption with a supply current in shutdown mode as low as 8µA.
Applications
- Industrial automation and control systems.
- Commercial and residential building automation.
- Medical devices requiring reliable serial communication.
- Aerospace and defense applications where robust communication is critical.
- Point-of-sale terminals and other retail equipment.
Q & A
- What communication protocols does the LTC2870IUFD#TRPBF support?
The LTC2870IUFD#TRPBF supports RS232, RS485, and RS422 communication protocols.
- What is the operating voltage range of the LTC2870IUFD#TRPBF?
The operating voltage range is from 3V to 5.5V.
- What is the maximum data rate supported by the LTC2870IUFD#TRPBF?
The maximum data rate is up to 20Mbps.
- What is the package type of the LTC2870IUFD#TRPBF?
The device is packaged in a 28-lead QFN (4mm × 5mm) with an exposed pad.
- What is the operating temperature range of the LTC2870IUFD#TRPBF?
The operating temperature range is from –40°C to 85°C.
- Does the LTC2870IUFD#TRPBF support full-duplex communication?
- What is the typical supply current in transceiver mode for the LTC2870IUFD#TRPBF?
The typical supply current in transceiver mode is 3.3mA.
- What is the shutdown mode supply current for the LTC2870IUFD#TRPBF?
The shutdown mode supply current is as low as 8µA.
- Does the LTC2870IUFD#TRPBF have integrated termination?
- What is the receiver hysteresis of the LTC2870IUFD#TRPBF?
The receiver hysteresis is 220mV.
