MAX14780EESA

更新时间： 2024-11-09 11:18:35

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
14页	2391K
描述
5.0V, 30kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceiver

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数据手册

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MAX14780EESA 数据手册

19-5652; Rev 1; 7/11

+5.0V, ±±0ꢀV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceiver

General Description

Features

The MAX14780E +5.0V, ±±0ꢀV ESD-protected, RS-485/

RS-422 transceiver features one driver and one receiver.

The device includes fail-safe circuitry, guaranteeing a

logic-high receiver output when receiver inputs are open

or shorted. The receiver outputs a logic-high if all trans-

mitters on a terminated bus are disabled (high imped-

ance). The MAX14780E includes a hot-swap capability

to eliminate false transitions on the bus during power-up

or hot insertion.

S +5.0V Operation

S Extended ESD Protection for RS-485/RS-422 I/O

Pins ±±0ꢀV Human Body Model

S True Fail-Safe Receiver While Maintaining EIA/

TIA-485 Compatibility

S Hot-Swap Input Structures on DE and RE

S Enhanced Slew-Rate Limiting Facilitates Error-

Free Data Transmission

The MAX14780E features reduced slew-rate drivers that

minimize EMI and reduce reflections caused by improp-

erly terminated cables, allowing error-free data transmis-

sion up to 500ꢀbps.

S Low-Current Shutdown Mode

S Allow Up to 256 Transceivers on the Bus

S Available in Industry-Standard 8-Pin SO and PDIP

Pacꢀages

The MAX14780E is ideal for half-duplex communications

and it draws 1.2mA of supply current when unloaded

or when fully loaded with the drivers disabled. The

MAX14780E has a 1/8-unit load receiver input imped-

ance, allowing up to 256 transceivers on the bus.

The MAX14780E is available in an 8-pin SO and PDIP

pacꢀages.

Ordering Information

Applications

Utility Meters

Lighting Systems

Industrial Control

Telecom

PART

TEMP RANGE

-40NC to +85NC

PIN-PACKAGE

8 SO

MAX14780EESA+

MAX14780EEPA+

8 PDIP

+Denotes a lead(Pb)-free/RoHS-compliant package.

Security Systems

Instrumentation

Profibus

Typical Operating Circuit

0.1µF

MAX14780E

GND

TYPICAL HALF-DUPLEX OPERATING CIRCUIT

_______________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...14

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与MAX14780EESA相关器件

型号	品牌	获取价格	描述	数据表
MAX14780EESA+	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8, ROHS COMPLIANT, SOP-8
MAX14780EESA+T	MAXIM	获取价格	Line Transceiver,
MAX14781E	ADI	获取价格	带有极性校正的半双工RS-485收发器
MAX14781EESA+	MAXIM	获取价格	Line Transceiver,
MAX14782E	ADI	获取价格	500Kbps、3.3V至5V、RS-485/RS-422收发器，具有±35kV HBM
MAX14782E_14	MAXIM	获取价格	500Kbps 3.3V to 5V RS-485/RS-422 Transceiver
MAX14782EASA+	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8, SOP-8
MAX14782EATA+	MAXIM	获取价格	500Kbps 3.3V to 5V RS-485/RS-422 Transceiver
MAX14782EAUA+	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8, UMAX-8
MAX14783E	MAXIM	获取价格	Encoder Interfaces

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