Datasheet Texas Instruments SN65HVD55DR — Datenblatt

SN65HVD50-SN65HVD55
www.ti.com SLLS666E – SEPTEMBER 2005 – REVISED OCTOBER 2009 HIGH OUTPUT FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
Check for Samples :SN65HVD50-SN65HVD55 (1) 1/8 Unit-Load Option Available (Up to 256
Nodes on the Bus)
Bus-Pin ESD Protection Exceeds 15 kV HBM
Optional Driver Output Transition Times for
SignalingRates(1) of 1 Mbps, 5 Mbps and
25 Mbps
Low-Current Standby Mode < 1 ОјA
Glitch-Free Power-Up and Power-Down Bus
I/Os
Bus Idle, Open, and Short Circuit Failsafe
Designed for RS-422 and RS485 Networks
3.3-V Devices Available, SN65HVD30-35 APPLICATIONS Utility Meters
Chassis-to-Chassis Interconnects
DTE/DCE Interfaces
Industrial, Process, and Building Automation
Point-of-Sale (POS) Terminals and Networks All devices are characterized for operation from
–40°C to 85°C.
The high output feature of the SN65HVD5x provides
more noise margin than the typical RS-485 drivers.
The extra noise margin makes applications in long
cable and harsh noise environments possible. …