Datasheet > LT1785AIS8-TRPBF

LT1785AIS8-TRPBF

更新时间： 2024-11-25 05:43:27

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	195K
描述
60V Fault Protected RS485/RS422 Transceivers

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中文翻译

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数据手册

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LT1785AIS8-TRPBF 数据手册

LT1785/LT1785A/

LT1791/LT1791A

60V Fault Protected

RS485/RS422 Transceivers

FEATURES

DESCRIPTION

TheLT^®1785/LT1791arehalf-duplexandfull-duplexdiffer-

ential bus transceivers for RS485 and RS422 applications

which feature on-chip protection from overvoltage faults

on the data transmission lines. Receiver input and driver

output pins can withstand voltage faults up to ±±60 with

respect to ground with no damage to the device. Faults

may occur while the transceiver is active, shut down or

powered off.

Protected from Overvoltage Line Faults to ±±0ꢀ

Pin Compatible with LTC485 and LTC491

High Input Impedance Supports Up to 128 Nodes

No Damage or Latchup to ESD

IEC-1666-4-2 Level 4: ±15k0 Air Discharge

IEC-1666-4-2 Level 2: ±4k0 Contact Discharge

Controlled Slew Rates for EMI Emissions Control

Guaranteed High Receiver Output State for Floating,

Shorted or Inactive Inputs

Data rates to 256kbaud on networks of up to 128 nodes

are supported. Controlled slew rates on the driver out-

putscontrol EMI emissions and improve data transmis-

sion integrity on improperly terminated lines. Drivers are

speciﬁed to operate with inexpensive cables as low as

72Ω characteristic impedance.

Outputs Assume a High Impedance When Off or

Powered Down

Drives Low Cost, Low Impedance Cables

Short-Circuit Protection on All Outputs

Thermal Shutdown Protection

Guaranteed Operation to 125°C

The LT1785A/LT1791A devices have “fail-safe” receiver

inputstoguaranteeareceiveroutputhighforshorted,open

or inactive data lines. On-chip ESD protection eliminates

need for external protection devices.

APPLICATIONS

Industrial Control Data Networks

CAN Bus Applications

The LT1785/LT1785A are available in 8-lead DIP and SO

packages and the LT1791/LT1791A in 14-lead DIP and

SO packages.

H0AC Controls

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATION

Normal Operation Waveforms at 250kBaud

CC1

RO1

RE1

TERM

LT1785

DE1

DI1

Y-Z

GND1

CC2

RO2

RE2

TERM

LT1785

178591 TA62

DE2

DI2

GND2

178591 TA61

178491fb

12 3 4 5 6 7...16

中文翻译

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与LT1785AIS8-TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LT1785C	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785CN8	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785CN8#PBF	Linear	获取价格	LT1785 - 60V Fault Protected RS485/RS422 Transceivers; Package: PDIP; Pins: 8; Temperature
LT1785CN8#TR	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, PLASTIC, DIP-8, Line Driver or Receiver
LT1785CN8#TRPBF	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, DIP-8, Line Driver or Receiver
LT1785CN8-PBF	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785CN8-TR	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785CN8-TRPBF	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785CS8	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785CS8#PBF	Linear	获取价格	LT1785 - 60V Fault Protected RS485/RS422 Transceivers; Package: SO; Pins: 8; Temperature R

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