XR33053
XR33053 is TIA-485/TIA-422 Transceiver manufactured by Exar.
±60V Fault Tolerant 3.0V to 5.5V TIA-485/TIA-422 Transceiver
Description
The XR33053 is a high performance TIA-485/TIA-422 device designed for improved performance in noisy industrial environments and increased tolerance to system faults.
The analog bus pins can withstand direct shorts up to ±60V and are protected against ESD events up to ±15k V HBM. An extended ±25V mon mode operating range allows for more reliable operation in noisy environments.
The receiver includes full fail-safe circuitry, guaranteeing a logichigh receiver output when the receiver inputs are open, shorted or undriven. The XR33053 receiver input impedance is at least 120kΩ (1/10 unit load), allowing more than 320 devices on the bus.
The driver is protected by short circuit detection as well as thermal shutdown and maintains high impedance in shutdown or when powered off.
The DE and RE pins include hot swap circuitry to prevent false transitions on the bus during powerup or live insertion and can enter a 1n A low current shutdown mode for extreme power savings.
Features
- - 3.0V to 5.5V operation
- - ±60V fault tolerance on analog bus pins
- - Extended ±25V mon mode operation
- - Robust ESD protection:
±15k V HBM (bus pins) ±4k V HBM (non-bus pins)
- - Enhanced receiver fail-safe protection for open, shorted or terminated but idle data lines
- - Hot swap glitch protection on DE and RE pins
- - Driver short circuit current limit and thermal shutdown for overload protection
- - Reduced unit loads allows up to 320 devices on bus
- - Industry standard 14-pin NSOIC package
- - -40°C to 85°C ambient operating temperature range
APPLICATIONS
- - Industrial control networks
- - HVAC networks
- - Building and process automation
- - Remote utility meter reading
- - Energy monitoring and control
- - Long or unterminated transmission lines
Typical Application
5V
DI DE R RE
FAULT TOLERANT UP TO...
