peculiarity
RS-485-A and RS-422-B compliant with ANSI standards
Data transfer rates of up to 2.5 Mbps
5V single supply voltage operation,
Wide input and output voltage range
Thermal shutdown protection
Short-circuit protection
Low quiescent current 320μA
Up to 128 transceivers are allowed on the bus
Open circuit fault safe reception
Extended operating temperature range -40°C to 85°C
Easy replacement to MAX1487
Available in 8-pin SOIC and 8-pin DIP packages
illustrate
The LMS1487 is a bidirectional data communication line transceiver design on a low power differential bus/high speed multipoint bus transmission line. It is designed for balancing transmission lines. It complies with the ANSI standards TIA/EIA RS - 422-B, TIA/EIA RS - 485-A and ITU recommendations and V.11 and X.27. The LMS1487 combines a three-state ™ differential line driver with a differential input receiver, which operate from a single 5.0V supply. The driver and receiver are highly active and aggressively low, respectively externally connected to the directional control function. The differential inputs of the driver and receiver are internally connected to form a differential input/output (I/O) bus designed to provide a port with minimal load on the bus whenever the driver is disabled or VC = 0V. These ports feature a wide range of positive and negative common-mode voltages, making the device suitable for multi-point applications in noisy environments. The LMS1487 is an 8-pin SOIC and 8-pin DIP. This is a drop-down socket replacement for Maxim's MAX1487
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Low power consumption RS-485 system
Network hubs, bridges and routers
Point of sale equipment (ATMs, barcode scanners,...)
Local Area Network (LAN)
Integrated Services Digital Network (ISDN)
Industrial programmable logic controllers
High-speed serial and parallel applications
Application in noisy environments