Overview
The LTC2862HS8-2#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 of up to 250kbps and is protected against overvoltage line faults up to ±60V. The device is suitable for various industrial and automotive applications due to its robust design and extended common mode range.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 5.5 | V | ||
| Maximum Data Rate | 250 kbps | ||||
| Driver Differential Output Voltage (|VOD|) | R = ∞ | 1.5 | V | ||
| Driver Differential Output Voltage (|VOD|) | R = 27Ω | 1.5 | 5 | V | |
| Driver Differential Output Voltage (|VOD|) | R = 50Ω | 2 | V | ||
| Extended Common Mode Range | -25 | 25 | V | ||
| ESD Protection | Interface Pins | ±15kV | |||
| ESD Protection | All Other Pins | ±8kV | |||
| Supply Current (ICCTRS) | No Load, DE = VCC = VL, RE = 0V | 3.3 | 8 | mA |
Key Features
- Low power consumption with supply current as low as 3.3mA
- High-speed data transmission up to 250kbps
- Protected from overvoltage line faults up to ±60V
- Extended common mode range: ±25V
- Guaranteed failsafe receiver operation
- High input impedance supporting up to 256 nodes
- Current limited drivers and thermal shutdown
- Pin compatible with LT1785 and LT1791
- Available in DFN and leaded packages
- Optional MP-grade for –55°C to 125°C temperature range
Applications
- Supervisory Control and Data Acquisition (SCADA)
- Industrial Control and Instrumentation Networks
- Automotive and Transportation Electronics
- Building Automation, Security Systems, and HVAC
- Medical Equipment
- Lighting and Sound System Control
Q & A
- What is the maximum data rate of the LTC2862HS8-2#PBF?
The maximum data rate of the LTC2862HS8-2#PBF is 250kbps. - What is the supply voltage range for the LTC2862HS8-2#PBF?
The supply voltage range is from 3V to 5.5V. - What level of overvoltage protection does the LTC2862HS8-2#PBF offer?
The device is protected against overvoltage line faults up to ±60V. - What is the extended common mode range of the LTC2862HS8-2#PBF?
The extended common mode range is ±25V. - Does the LTC2862HS8-2#PBF support failsafe receiver operation?
Yes, it guarantees failsafe receiver operation. - How many nodes can the LTC2862HS8-2#PBF support?
The device supports up to 256 nodes due to its high input impedance. - What are the available package types for the LTC2862HS8-2#PBF?
The device is available in DFN and leaded packages. - Is the LTC2862HS8-2#PBF suitable for automotive applications?
Yes, it is suitable for automotive and transportation electronics. - What is the temperature range for the MP-grade option of the LTC2862HS8-2#PBF?
The MP-grade option operates from –55°C to 125°C. - Does the LTC2862HS8-2#PBF have ESD protection?
Yes, it has ESD protection of ±15kV on interface pins and ±8kV on all other pins.
