Datasheet > MAX1480E/MAX1490E

MAX1480E/MAX1490E

更新时间： 2024-11-25 21:57:27

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
19页	1664K
描述
15kV ESD-Protected, Isolated RS-485/RS-422

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19-1940; Rev 0; 4/01

1ꢀ5k EꢁDꢂ-rotected, Isolated Rꢁꢂ48ꢀ/Rꢁꢂ422

Data Interfaces

_________________General Description

____________________________Features

ꢀ Isolated Data Interface, Guaranteed to 1260V

The MAX1480EA/MAX1480EC/MAX1490EA/MAX1490EB

are complete, electrically isolated, RS-485/RS-422 data

communications interface solutions in a hybrid microcir-

cuit. The RS-485/RS-422 I/O pins are protected against

15ꢀk electrostatic discharge ꢁESꢂD shocꢀs, ꢃithout

latchup. Transceivers, optocouplers, and a transformer

provide a complete interface in a standard ꢂIP pacꢀage.

A single +5k supply on the logic side poꢃers both sides

of the interface.

RMS

(1min)

ꢀ

15kV ESD Protection on I/O Pins

ꢀ Slew-Rate Limited for Errorless Data

Transmission (MAX1480EC/MAX1490EB)

ꢀ High-Speed, Isolated, 2.5Mbps RS-485/RS-422

Interface (MAX1480EA/MAX1490EA)

ꢀ Full-Duplex Data Communication

(MAX1490EA/MAX1490EB)

The MAX1480EC/MAX1490EB feature reduced-sleꢃ-rate

drivers that minimize EMI and reduce reflections caused

by improperly terminated cables, alloꢃing error-free data

transmission at data rates up to 160ꢀbps. The

MAX1480EA/MAX1490EA driver sleꢃ rate is not limited,

alloꢃing transmission rates up to 2.5Mbps. The

MAX1480EA/MAX1480EC are designed for half-duplex

communication, ꢃhile the MAX1490EA/MAX1490EB fea-

ture full-duplex communication.

ꢀ Single +5V Supply

ꢀ Current Limiting and Thermal Shutdown for

Driver Overload Protection

ꢀ Standard 0.6in DIP Packages

28-Pin DIP (MAX1480EA/MAX1480EC)

24-Pin DIP (MAX1490EA/MAX1490EB)

_______________Ordering Information

ꢂrivers are short-circuit current limited and protected

against excessive poꢃer dissipation by thermal shut-

doꢃn circuitry that places the driver outputs into a high-

impedance state. The receiver input has a fail-safe

feature that guarantees a ꢀnoꢃn output ꢁRO loꢃ for the

MAX1480EA/MAX1480EC, RO high for the MAX1490EA/

MAX1490EBD if the input is open circuit.

†

PART

TEMP. RANGE

PIN-PACKAGE

MAX1480EACPI

MAX1480EAEPI

0°C to +70°C

28 Wide Plastic ꢂIP*

-40°C to +85°C

Ordering Information continued at end of data sheet.

†

Data rate for A parts is up to 2.5Mbps. Data rate for C parts is

up to 250kbps.

The MAX1480EA/MAX1480EC/MAX1490EA/MAX1490EB

*See Reliability section at end of data sheet.

ꢃithstand 1260k

ꢁ1minD or 1520k

ꢁ1sD. Their iso-

RMS

lated outputs meet all RS-485/RS-422 specifications. The

MAX1480EA/MAX1480EC are available in a 28-pin ꢂIP

pacꢀage, and the MAX1490EA/MAX1490EB are available

in a 24-pin ꢂIP pacꢀage.

-in Configurations

TOP VIEW

CC1

CC2

AC1

MAX1490EA/

MAX1490EB

23 AC2

________________________Applications

Isolated RS-485/RS-422 ꢂata Interface

Transceivers for EMI-Sensitive Applications

Industrial-Control Local Area Netꢃorꢀs

Automatic Test Equipment

ISO V

CC1

ISO RO DRV

GND1

HkAC/Building Control Netꢃorꢀs

Telecom

CC3

16 ISO COM1

ISO DI DRV

CC4

ISO V

CC2

GND2

13 ISO RO LED

ISOLATION BARRIER

DIP

Pin Configurations continued at end of data sheet.

Selector Guide appears at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...19

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与MAX1480E/MAX1490E相关器件

型号	品牌	获取价格	描述	数据表
MAX1480EA	ADI	获取价格	±15kV ESD保护、隔离型、RS-485/RS-422数据接口
MAX1480EACPI	MAXIM	获取价格	LINE TRANSCEIVER\|HYBRID\|1 DRIVER\|1 RCVR\|DIP\|28PIN\|PLASTIC
MAX1480EACPI	ROCHESTER	获取价格	LINE TRANSCEIVER, PDIP28, PLASTIC, DIP-28
MAX1480EACPI+	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDIP28, PLASTIC, DIP-28
MAX1480EAEPI	MAXIM	获取价格	LINE TRANSCEIVER\|HYBRID\|1 DRIVER\|1 RCVR\|DIP\|28PIN\|PLASTIC
MAX1480EAEPI+	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, Hybrid, PDIP28, PLASTIC, DIP-28
MAX1480EC	ADI	获取价格	±15kV ESD保护、隔离型、RS-485/RS-422数据接口
MAX1480ECCPI	MAXIM	获取价格	15kV ESD-Protected, Isolated RS-485/RS-422
MAX1480ECCPI	ROCHESTER	获取价格	LINE TRANSCEIVER, PDIP28, PLASTIC, DIP-28
MAX1480ECCPI+	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDIP28, PLASTIC, DIP-28

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