Datasheet > SN65HVD888

SN65HVD888

更新时间： 2024-09-14 12:47:03

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德州仪器 - TI		/
页数	文件大小	规格书
21页	438K
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Bus-Polarity Correcting RS-485 Transceiver With IEC-ESD Protection

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SLLSEH3 –JULY 2013

Bus-Polarity Correcting RS-485 Transceiver With IEC-ESD Protection

FEATURES

•

Motion Control

Telecom Equipment

•

Exceeds Requirements of EIA-485 Standard

Bus-Polarity Correction within 76 ms (t_FS

Data Rate: 300 bps to 250 kbps

)

DESCRIPTION

The SN65HVD888 is a low-power RS-485 transceiver

with automatic bus-polarity correction and transient

protection. Upon hot plug-in, the device detects and

corrects the bus polarity within the first 76 ms of bus

idling. On-chip transient protection protects the device

against IEC61000 ESD and EFT transients. This

device has robust drivers and receivers for

demanding industrial applications. The bus pins are

robust to electrostatic discharge (ESD) events, with

high levels of protection to Human-Body Model

(HBM), Air-Gap Discharge, and Contact Discharge

specifications.

Works with Two Configurations:

–

Failsafe Resistors Only

Failsafe and Differential Termination

Resistors

•

Up to 256 Nodes on a Bus (1/8 unit load)

SOIC-8 Package for Backward Compatibility

Bus-Pin Protection:

–

±16 kV HBM protection

±12 kV IEC61000-4-2 Contact Discharge

+4 kV IEC61000-4-4 Fast Transient Burst

The device combines a differential driver and a

differential receiver, which operate together from a

single 5-V power supply. The driver differential

outputs and the receiver differential inputs are

connected internally to form a bus port suitable for

half-duplex (two-wire bus) communication. The

device features a wide common-mode voltage range

making the device suitable for multi-point applications

over long cable runs. The SN65HVD888 is available

in an SOIC-8 package, and is characterized from

–40°C to 85°C.

APPLICATIONS

•

E-Metering Networks

Industrial Automation

HVAC Systems

DMX512-Networks

Process Control

Battery-Powered Applications

TYPICAL NETWORK APPLICATION WITH POLARITY CORRECTION (POLCOR)

Cross-wire

fault

Master

SN65HVD82

Slave

SN65HVD888

POLCOR

RE DE

Slave

SN65HVD888

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...21

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与SN65HVD888相关器件

型号	品牌	获取价格	描述	数据表
SN65HVD888D	TI	获取价格	Bus-Polarity Correcting RS-485 Transceiver With IEC-ESD Protection
SN65HVD888DR	TI	获取价格	Bus-Polarity Correcting RS-485 Transceiver With IEC-ESD Protection
SN65HVD96	TI	获取价格	SymPol™ Transceiver
SN65HVD96D	TI	获取价格	SymPol™ Transceiver
SN65HVD96DR	TI	获取价格	SymPol™ Transceiver
SN65HVD96EVM	TI	获取价格	SymPol Transceiver
SN65HVDA100-Q1	TI	获取价格	LIN PHYSICAL INTERFACE
SN65HVDA100QDRQ1	TI	获取价格	LIN PHYSICAL INTERFACE
SN65HVDA1040A-Q1	TI	获取价格	EMC-OPTIMIZED HIGH SPEED CAN TRANSCEIVER
SN65HVDA1040AQDRQ1	TI	获取价格	EMC-OPTIMIZED HIGH SPEED CAN TRANSCEIVER

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