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SN65HVD1780

更新时间： 2024-11-21 05:18:11

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
15页	514K
描述
70-V Fault-Protected RS-485 Transceivers

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SN65HVD1780 数据手册

SN65HVD1780

SN65HVD1781

SN65HVD1782

www.ti.com ............................................................................................................................................. SLLS877D–DECEMBER 2007–REVISED AUGUST 2008

70-V Fault-Protected RS-485 Transceivers

FEATURES

•

Bus-Pin Fault Protection to > ±70 V

Operation With 3.3-V to 5-V Supply Range

±16 kV HBM Protection on Bus Pins

Reduced Unit Load for up to 320 Nodes

•

Signaling Rates of 115 kbps, 1 Mbps, and up

to 10 Mbps

APPLICATIONS

•

HVAC Networks

Failsafe Receiver for Open-Circuit,

Short-Circuit and Idle-Bus Conditions

Security Electronics

Building Automation

Telecomm Equipment

Motion Control

•

Low Power Consumption

–

Low Standby Supply Current, 1 µA Max

I_CC4 mA Quiescent During Operation

Industrial Networks

•

Pin-Compatible With Industry-Standard

SN75176

DESCRIPTION

These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring

faults, connector failures, cable crushes, and tool mis-applications. The internal current-limit circuits allow fault

survivability without causing the high bus currents that otherwise might damage external components or power

supplies. They are also robust to ESD events, with high levels of protection to the JEDEC or IEC

human-body-model specification.

These devices combine a differential driver and a differential receiver, which operate from a single 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. This port features a wide common-mode voltage range,

making the devices suitable for multipoint applications over long cable runs. These devices are characterized

from –40°C to 125°C. These devices are pin-compatible with the industry-standard SN75176 transceiver, making

them drop-in upgrades in most systems.

These devices are fully compliant with ANSI TIA/EIA 485-A with a 5-V supply and can operate with a 3.3-V

supply with reduced driver output voltage for low-power applications. For applications where operation is required

over an extended common-mode voltage range, see the SN65HVD1785 (SLLS872) data sheet.

V_FAULTup to 70 V

M0092-02

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...15

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SN65HVD1780 替代型号

型号	品牌	替代类型	描述	数据表
SN65HVD1785	TI	功能相似	70-V Fault-Protected RS-485 Transceivers
SN65HVD1781	TI	功能相似	70-V Fault-Protected RS-485 Transceiver

与SN65HVD1780相关器件

型号	品牌	获取价格	描述	数据表
SN65HVD1780_0809	TI	获取价格	70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation
SN65HVD1780D	TI	获取价格	70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation
SN65HVD1780DG4	TI	获取价格	70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation
SN65HVD1780DR	TI	获取价格	70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation
SN65HVD1780DRG4	TI	获取价格	70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation
SN65HVD1780P	TI	获取价格	70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation
SN65HVD1780-Q1	TI	获取价格	具有故障保护功能和 3.3V 至 5V 工作电压的汽车类 RS-485 收发器
SN65HVD1780QDRQ1	TI	获取价格	具有故障保护功能和 3.3V 至 5V 工作电压的汽车类 RS-485 收发器 \| D \|
SN65HVD1781	TI	获取价格	70-V Fault-Protected RS-485 Transceiver
SN65HVD1781A-Q1	TI	获取价格	具有故障保护功能和 3.3V 至 5V 工作电压的汽车类 RS-485 收发器

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