SN65HVD379 - 3.3V 全双工 RS-485/RS-422 驱动器和平衡接收器

SN65HVD379是TI德州仪器公司的一款无产品，SN65HVD379是3.3V 全双工 RS-485/RS-422 驱动器和平衡接收器，本站介绍了SN65HVD379的封装应用图解、特点和优点、功能等，并给出了与SN65HVD379相关的TI元器件型号供参考。

SN65HVD379 - 3.3V 全双工 RS-485/RS-422 驱动器和平衡接收器 - 无 - RS-485收发器 - 德州仪器

产品描述

The SN65HVD379 is a differential line driver and differential-input line receiver that operates with a 3.3-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.

These differential bus drivers and receivers are monolithic, integrated circuits designed for full-duplex bi-directional data communication on multipoint bus-transmission lines at signaling rates(1) up to 25 Mbps. The SN65HVD379 is fully enabled with no external enabling pins.

The 1/2 unit load receiver has a higher receiver input resistance. This results in lower bus leakage currents over the common-mode voltage range, and reduces the total amount of current that an RS-485 driver is forced to source or sink when transmitting.

The balanced differential receiver input threshold makes the SN65HVD379 more compatible with fieldbus requirements that define an external failsafe structure.

(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).

产品特性

Designed for INTERBUS Applications
Designed for RS-422 and RS-485 Networks
Balanced Receiver Thresholds
1/2 Unit-Load (up to 64 nodes on the bus)
Bus-Pin ESD Protection 15 kV HBM
Bus-Fault Protection of -7 V to 12 V
Thermal Shutdown Protection
Power-Up/Down Glitch-free Bus Inputs and Outputs
High Input Impedance With Low VCC
Monotonic Outputs During Power Cycling
5-V Tolerant Inputs
APPLICATIONS
- Digital Motor Control
- Utility Meters
- Chassis-to-Chassis Interconnections
- Electronic Security Stations
- Industrial, Process, and Building Automation
- Point-of-Sale (POS) Terminals and Networks
- DTE/DCE Interfaces

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