SN65HVD251D

更新时间： 2024-11-19 22:42:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
19页	379K
描述
CAN TRANSCEIVER

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SN65HVD251D 数据手册

SN65HVD251

www.ti.com

SLLS545B–NOVEMBER 2002–REVISED SEPTEMBER 2003

CAN TRANSCEIVER

•

Glitch-Free Power-Up and Power-Down Bus

Protection For Hot-Plugging

DeviceNet Vendor ID # 806

FEATURES

•

Drop-In Improved Replacement for the

PCA82C250 and PCA82C251

•

Bus-Fault Protection of ±36 V

Meets or Exceeds ISO 11898

Signaling Rates⁽¹⁾up to 1 Mbps

High Input Impedance Allows up to 120

SN65HVD251 Nodes on a Bus

APPLICATIONS

•

CAN Data Buses

•

Industrial Automation

– DeviceNet™ Data Buses

– Smart Distributed Systems (SDS™)

SAE J1939 Standard Data Bus Interface

NMEA 2000 Standard Data Bus Interface

ISO 11783 Standard Data Bus Interface

•

Bus Pin ESD Protection Exceeds 14 kV HBM

Unpowered Node Does Not Disturb the Bus

Low Current Standby Mode . . . 200 µA Typical

Thermal Shutdown Protection

•

DESCRIPTION

The SN65HVD251 is intended for use in applications employing the Controller Area Network (CAN) serial

communication physical layer in accordance with the ISO 11898 Standard. The SN65HVD251 provides

differential transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1

megabits per second (Mbps).

Designed for operation in harsh environments, the device features cross-wire, over-voltage and loss of ground

protection to ±36 V. Also featured are over-temperature protection as well as -7 V to 12 V common-mode range,

and tolerance to transients of ± 200 V. The transceiver interfaces the single-ended CAN controller with the

differential CAN bus found in industrial, building automation, and automotive applications.

Rs, pin 8, provides for three different modes of operation: high-speed, slope control, or low-power mode. The

high-speed mode of operation is selected by connecting pin 8 to ground, allowing the transmitter output

transistors to switch as fast as possible with no limitation on the rise and fall slope. The rise and fall slope can be

adjusted by connecting a resistor to ground at pin 8; the slope is proportional to the pin's output current. Slope

control with an external resistor value of 10 kΩ gives ~ 15 V/us slew rate; 100 kΩ gives ~ 2 V/us slew rate.

If a high logic level is applied to the Rs pin 8, the device enters a low-current standby mode during which the

driver is switched off and the receiver remains active . The local protocol controller reverses this low-current

standby mode when it needs to transmit to the bus.

The SN65HVD251 may be used in CAN, DeviceNet™ or SDS™ applications with the Texas Instruments'

TMS320F241 and TMS320F243 DSPs with CAN 2.0B controllers.

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.

DeviceNet is a trademark of Allen-Bradley.

SDS is a trademark of Honeywell.

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...19

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SN65HVD251D 替代型号

型号	品牌	替代类型	描述	数据表
SN65HVD251DRG4	TI	完全替代	CAN TRANSCEIVER
SN65HVD251P	TI	完全替代	CAN TRANSCEIVER

与SN65HVD251D相关器件

型号	品牌	获取价格	描述	数据表
SN65HVD251DG4	TI	获取价格	CAN TRANSCEIVER
SN65HVD251DR	TI	获取价格	CAN TRANSCEIVER
SN65HVD251DRG4	TI	获取价格	CAN TRANSCEIVER
SN65HVD251P	TI	获取价格	CAN TRANSCEIVER
SN65HVD251PE4	TI	获取价格	CAN TRANSCEIVER
SN65HVD251-Q1	TI	获取价格	CAN TRANSCEIVER
SN65HVD251QDRQ1	TI	获取价格	CAN TRANSCEIVER
SN65HVD252	TI	获取价格	DeviceNetâ¢ CAN Transceivers
SN65HVD255	TI	获取价格	CAN Transceiver with Fast Loop Times for Highly Loaded Networks
SN65HVD255D	TI	获取价格	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features

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