Datasheet > LT1785ACS8#TRPBF

LT1785ACS8#TRPBF

更新时间： 2024-11-21 20:43:27

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LT1785ACS8#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 (LT1785A/LT1791A)

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.

AEC-Q166 Qualiﬁed for Automotive Applications

(LT1785#W)

APPLICATIONS

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

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

SO packages.

Industrial Control Data Networks

CAN Bus Applications

H0AC Controls

All registered trademarks and trademarks are the property of their respective owners.

TYPICAL APPLICATION

Normal Operation Waveforms at 250kBaud

ꢑ

ꢒꢒꢃ

Rꢎꢃ

Rꢓ

REꢃ

Rꢀ

ꢅꢆRꢇ

ꢐꢅꢃꢈꢉꢊ

ꢂꢆꢃ

ꢂꢏꢃ

ꢅꢓ

ꢌꢍꢎ

ꢀꢁꢂꢃ

ꢑ

ꢊꢋ

ꢒꢒꢄ

Rꢎꢄ

Rꢓ

REꢄ

ꢅꢆRꢇ

ꢐꢅꢃꢈꢉꢊ

ꢁꢂꢃꢄꢅꢁ ꢆꢇꢈꢉ

ꢂꢆꢄ

ꢂꢏꢄ

ꢅꢓ

ꢀꢁꢂꢄ

ꢃꢈꢉꢊꢋꢃ ꢅꢌꢍꢃ

Rev. F

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中文翻译

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LT1785ACS8#TRPBF 替代型号

型号	品牌	替代类型	描述	数据表
LT1785AIS8#TRPBF	Linear	类似代替	LT1785 - 60V Fault Protected RS485/RS422 Transceivers; Package: SO; Pins: 8; Temperature R

与LT1785ACS8#TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LT1785ACS8-PBF	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785ACS8-TR	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785ACS8-TRPBF	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785AHN8	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785AHN8#PBF	Linear	获取价格	LT1785 - 60V Fault Protected RS485/RS422 Transceivers; Package: PDIP; Pins: 8; Temperature
LT1785AHN8#TR	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, PLASTIC, DIP-8, Line Driver or Receiver
LT1785AHN8-PBF	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785AHN8-TR	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785AHN8-TRPBF	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers
LT1785AHS8	Linear	获取价格	60V Fault Protected RS485/RS422 Transceivers

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