Overview
The LTC2862IS8-1#PBF is a low-power, high-speed RS485/RS422 transceiver produced by Analog Devices Inc. This component is part of the LTC2862/LTC2863/LTC2864/LTC2865 family and is designed to operate in a wide range of industrial and automotive applications. It features a robust design with extended input common mode range and full fail-safe operation, making it suitable for electrically noisy environments and large ground loop voltages.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 5.5 | V | |
| Logic Supply Pin (VL) | 1.65 | 5.5 | V | |
| Maximum Data Rate | 20 | Mbps | ||
| Low EMI Data Rate | 250 | kbps | ||
| Overvoltage Protection | ±60 | V | ||
| ESD Protection (Interface Pins) | ±15kV | |||
| ESD Protection (All Other Pins) | ±8kV | |||
| Input Impedance | High | |||
| Differential Driver Output Voltage (R=27Ω) | 1.5 | 5 | V | |
| Receiver Output High Voltage (I(RO) = -3mA) | VCC - 0.4 | V | ||
| Receiver Output Low Voltage (I(RO) = 3mA) | 0.4 | V |
Key Features
- Extended ±25V input common mode range and full fail-safe operation for improved data communication reliability in noisy environments and large ground loop voltages.
- Operates on 3V to 5.5V supply voltage with a flexible logic supply pin (VL) from 1.65V to 5.5V.
- High-speed data rate of up to 20Mbps or low EMI 250kbps.
- Protected from overvoltage line faults up to ±60V.
- High input impedance supports up to 256 nodes.
- ±15kV ESD protection on interface pins and ±8kV on all other pins.
Applications
- Industrial I/O and automation systems.
- Automotive interfaces (CAN, audio, Ethernet).
- Broadband switches and signal integrity applications.
- IO-Link and other multiprotocol transceivers.
- Powerline communications and serial bus buffers/extenders.
Q & A
- What is the supply voltage range for the LTC2862IS8-1#PBF? The supply voltage range is from 3V to 5.5V.
- What are the maximum data rates supported by this transceiver? The transceiver supports data rates up to 20Mbps or low EMI 250kbps.
- What level of overvoltage protection does the LTC2862IS8-1#PBF offer? It offers protection from overvoltage line faults up to ±60V.
- What is the ESD protection level for the interface pins? The interface pins have ±15kV ESD protection.
- How many nodes can be supported by this transceiver? It supports up to 256 nodes due to its high input impedance.
- What are the typical applications of the LTC2862IS8-1#PBF? It is used in industrial I/O, automotive interfaces, broadband switches, and other serial communication applications.
- What is the operating temperature range for the LTC2862IS8-1#PBF? The operating temperature range is from –40°C to 85°C.
- What is the logic supply pin (VL) range for this component? The logic supply pin (VL) range is from 1.65V to 5.5V.
- Does the LTC2862IS8-1#PBF support fail-safe operation? Yes, it features full fail-safe operation.
- What is the differential driver output voltage for a 27Ω load? The differential driver output voltage for a 27Ω load is between 1.5V and 5V.
