Datasheet > SN65HVD257D

SN65HVD257D

更新时间： 2024-01-17 19:30:28

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
28页	909K
描述
Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features

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SN65HVD257D 数据手册

SN65HVD255

SN65HVD256, SN65HVD257

www.ti.com

SLLSEA2C –DECEMBER 2011–REVISED SEPTEMBER 2013

'Turbo' CAN Transceivers for Higher Data Rates and Large Networks Including Features

for Functional Safety

Check for Samples: SN65HVD255, SN65HVD256, SN65HVD257

FEATURES

DESCRIPTION

This CAN transceiver meets the ISO1189-2 High

Speed CAN (Controller Area Network) Physical Layer

standard. It is designed for data rates in excess of 1

Mbps for CAN in short networks, and enhanced

timing margin and higher data rates in long and

highly-loaded networks. The device provides many

protection features to enhance device and CAN-

network robustness. The SN65HVD257 adds

additional features, allowing easy design of redundant

and multi-topology networks with fault indication for

higher levels of functional safety in the CAN system.

•

Meets the Requirements of ISO11898-2

'Turbo' CAN:

–

Short and Symmetrical Propagation Delay

Times and Fast Loop Times for Enhanced

Timing Margin

–

Higher Data Rates in CAN Networks

•

I/O Voltage Range Supports 3.3V and 5V MCUs

Ideal Passive Behavior When Unpowered

–

Bus and Logic Pins are High Impedance

(no load)

NC / V_RXD/ FAULT (See Note A)

V_CC

–

Power Up/Down With Glitch Free Operation

On Bus

FAULT LOGIC

MUX (See Note A)

V_CC

OVER

TEMPERATURE

•

Protection Features

V_CC

–

HBM ESD Protection Exceeds ±12kV

Bus Fault Protection –27V to 40V

CANH

CANL

DOMINANT

TIME OUT

TXD

Undervoltage Protection on Supply Pins

Driver Dominant Time Out (TXD DTO)

MODE SELECT

SN65HVD257: Receiver Dominant Time Out

(RXD DTO)

UNDER

VOLTAGE

–

SN65HVD257: FAULT Output Pin

Thermal Shutdown Protection

V_CCor V_RXD(See Note B)

DOMINANT

TIME OUT

(See Note B)

LOGIC

OUTPUT

RXD

•

Characterized for –40°C to 125°C Operation

GND

APPLICATIONS

A. Pin 5 function is device dependent; NC on

SN65HVD255, V_RXDfor RXD output level-

shifting device on SN65HVD256, and

FAULT Output on SN65HVD257

•

1Mbps Operation in Highly Loaded CAN

Networks Down to 10kbps Networks Using

TXD DTO

B. RXD logic output is driven to 5V V_CCon

5V-only supply devices (SN65HVD255,

SN65HVD257) and driven to V_RXDon

output level-shifting device (SN65HVD256).

•

Industrial Automation, Control, Sensors and

Drive Systems

Building, Security and Climate Control

Automation

C. RXD (Receiver) Dominant State Time Out

is a device dependent option available only

on SN65HVD257.

•

Telecom Base Station Status and Control

SN65HVD257: Functional Safety With

Redundant and Multi-topology CAN networks

Figure 1. Functional Block Diagram

•

CAN Bus Standards Such as CANopen,

DeviceNet, NMEA2000, ARNIC825, ISO11783,

CANaerospace

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.

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SN65HVD257D 替代型号

型号	品牌	替代类型	描述	数据表
SN65HVD256DR	TI	完全替代	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD255DR	TI	完全替代	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD255D	TI	完全替代	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features

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