SN65HVD55 - 带使能信号的高输出全双工 RS-485 驱动器和接收器

SN65HVD55是TI德州仪器公司的一款无产品，SN65HVD55是带使能信号的高输出全双工 RS-485 驱动器和接收器，本站介绍了SN65HVD55的封装应用图解、特点和优点、功能等，并给出了与SN65HVD55相关的TI元器件型号供参考。

SN65HVD55 - 带使能信号的高输出全双工 RS-485 驱动器和接收器 - 无 - RS-485收发器 - 德州仪器

产品描述

The SN65HVD5X devices are 3-state differential line drivers and differential-input line receivers that operate with a 5-V power supply. Each driver and receiver has separate input and output pins for full-duplex bus communication designs. They are designed for balanced transmission lines and interoperation with ANSI TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO 8482:1993 standard-compliant devices.

The SN65HVD50, SN65HVD51, and SN65HVD52 are fully enabled with no external enabling pins.

The SN65HVD53, SN65HVD54, and SN65HVD55 have active-high driver enables and active-low receiver enables. A low, less than 1 µA, standby current is achieved by disabling both the driver and receiver.

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.

产品特性

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 Signaling Rates(1) of 1 Mbps, 5 Mbps and 25 Mbps
Low-Current Standby Mode < 1 µA
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

(1)The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).

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