Overview
The LTC2862CDD-1#PBF is a low-power RS485/RS422 transceiver produced by Analog Devices Inc. This component is part of the LTC2862/LTC2863/LTC2864/LTC2865 family and is designed to operate on supply voltages ranging from 3V to 5.5V. It features high-speed data transmission capabilities and robust protection against overvoltage and ESD. The LTC2862CDD-1#PBF is packaged in an 8-DFN (3x3) package, making it suitable for a variety of applications requiring reliable serial communication.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 5.5 | V |
| Maximum Data Rate (High Speed) | - | - | 20 | Mbps |
| Maximum Data Rate (Slew Rate Limited) | - | - | 250 | kbps |
| Overvoltage Protection | - | - | ±60V | - |
| ESD Protection (Interface Pins) | - | - | ±15kV | - |
| ESD Protection (All Other Pins) | - | - | ±8kV | - |
| Common Mode Range | -25 | - | 25 | V |
| Supply Current (Both Driver and Receiver Enabled) | 3.3 | - | 8 | mA |
Key Features
- Low power consumption with supply current as low as 3.3mA when both driver and receiver are enabled.
- High-speed data transmission up to 20Mbps or low EMI 250kbps data rate.
- Robust overvoltage protection up to ±60V and ESD protection up to ±15kV on interface pins and ±8kV on all other pins.
- Extended common mode range of ±25V and guaranteed failsafe receiver operation.
- High input impedance supporting up to 256 nodes.
- Flexible digital interface with a separate logic supply pin (VL) for the LTC2865 model.
Applications
- Industrial automation and control systems.
- Automotive interfaces (e.g., CAN, audio, Ethernet).
- Industrial I/O and IO-Link applications.
- Broadband switches and serial bus buffers/extenders.
- Systems requiring reliable serial communication in electrically noisy environments.
Q & A
- What is the operating supply voltage range of the LTC2862CDD-1#PBF?
The operating supply voltage range is from 3V to 5.5V. - What are the maximum data rates supported by the LTC2862CDD-1#PBF?
The component supports data rates up to 20Mbps in high-speed mode and 250kbps in slew rate limited mode. - What level of overvoltage protection does the LTC2862CDD-1#PBF offer?
The component offers overvoltage protection up to ±60V. - What is the ESD protection level for the interface pins of the LTC2862CDD-1#PBF?
The interface pins have ESD protection up to ±15kV. - What is the common mode range of the LTC2862CDD-1#PBF?
The common mode range is ±25V. - How many nodes can the LTC2862CDD-1#PBF support?
The component supports up to 256 nodes due to its high input impedance. - What is the purpose of the separate logic supply pin (VL) in the LTC2865 model?
The separate logic supply pin (VL) provides flexibility in the digital interface. - In what types of environments is the LTC2862CDD-1#PBF particularly useful?
The component is particularly useful in electrically noisy environments and in the presence of large ground loop voltages. - What package type is the LTC2862CDD-1#PBF available in?
The component is available in an 8-DFN (3x3) package. - What are some typical applications of the LTC2862CDD-1#PBF?
Typical applications include industrial automation, automotive interfaces, industrial I/O, and systems requiring reliable serial communication.
