Datasheet > SN65HVD379

SN65HVD379

更新时间： 2024-11-17 05:18:11

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德州仪器 - TI		接收机驱动局域网
页数	文件大小	规格书
14页	515K
描述
3.3 V FULL-DUPLEX RS-485/RS-422 DRIVERS AND BALANCED RECEIVERS

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SN65HVD379 数据手册

SN65HVD379

www.ti.com

SLLS667A–FEBRUARY 2006–REVISED MAY 2006

3.3 V FULL-DUPLEX RS-485/RS-422 DRIVERS AND BALANCED RECEIVERS

FEATURES

DESCRIPTION

•

Designed for INTERBUS Applications

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.

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 –7V to 12V

Thermal Shutdown Protection

Power-Up/Down Glitch-free Bus Inputs and

Outputs

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.

•

High Input Impedance with Low V_CC

Monotonic Outputs During Power Cycling

5V Tolerant Inputs

APPLICATIONS

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.

•

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

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).

BALANCED RECEIVER INPUT THRESHOLDS

SN65HVD379

D PACKAGE (TOP VIEW)

Recevier Output High

GND

Receiver Output Low

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...14

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与SN65HVD379相关器件

型号	品牌	获取价格	描述	数据表
SN65HVD379D	TI	获取价格	3.3 V FULL-DUPLEX RS-485/RS-422 DRIVERS AND BALANCED RECEIVERS
SN65HVD379DG4	TI	获取价格	3.3 V FULL-DUPLEX RS-485/RS-422 DRIVERS AND BALANCED RECEIVERS
SN65HVD379DR	TI	获取价格	3.3 V FULL-DUPLEX RS-485/RS-422 DRIVERS AND BALANCED RECEIVERS
SN65HVD379DRG4	TI	获取价格	3.3 V FULL-DUPLEX RS-485/RS-422 DRIVERS AND BALANCED RECEIVERS
SN65HVD37D	TI	获取价格	3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
SN65HVD37DR	TI	获取价格	Low-Power 3.3V-Supply Full-Duplex RS-485 Driver/Receiver
SN65HVD38	TI	获取价格	3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
SN65HVD38D	TI	获取价格	3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
SN65HVD38MDREP	TI	获取价格	LINE TRANSCEIVER, PDSO14, PLASTIC, MS-012AB, SOIC-14
SN65HVD39	TI	获取价格	3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS

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