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MAX13451E

更新时间： 2024-11-14 11:18:39

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
17页	1842K
描述
RS-485 Transceivers with Integrated 100Ω/120Ω Termination Resistors

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MAX13451E 数据手册

19-5254; Rev 1; 11/10

RS-485 Transceivers with Integrated

100Ω/120Ω Termination Resistors

General Description

Features

S 100I/120I Pin-Selectable Internal Termination

The MAX13450E/MAX13451E are half-duplex and full-

duplex RS-485/RS-422 transceivers. These devices fea-

ture internal 100I and 120I termination resistors. The

resistor values are pin selectable. A logic supply input

allows interfacing to logic levels down to +1.8V.

Resistors

S Driver Drives 100I Double Termination

S 20Mbps (max) Data Rate

S Pin-Selectable Slew-Rate Limiting

The MAX13450E/MAX13451E feature strong drivers

specified to drive low-impedance lines found when a

fully loaded bus, based on today’s 100I characteristic

impedance cable, is doubly terminated. Both devices

allow slew-rate limiting of the driver output to reduce EMI

and reflections for data rates up to 500kbps.

S Logic Supply Input Allows Interfacing Down to 1.8V

S Driver Fault-Indication Output (MAX13451E)

S Inverting of A, B Line Polarity (MAX13451E)

S High-Impedance Driver Output/Receiver Input

When V

Supply is Removed

The MAX13451E has a FAULT alarm indication output to

signal to the system that an error condition exists in the

driver. The MAX13451E also features a logic inversion

function. The logic inversion allows phase reversal of the

A-B signals in case these are inadvertently connected

wrongly.

S Hot-Swap Input Structure on DE, RE, and TERM

S Extended ESD Protection

±30ꢀV Human Body Model

±15ꢀV Air Gap Discharge per IEC 61000-4-2

±±ꢀV Contact Discharge per IEC 61000-4-2

The MAX13450E/MAX13451E have 1/8-unit load receiver

input impedance, allowing up to 256 transceivers on the

bus. All driver outputs are protected to Q30kV ESD using

the Human Body Model (HBM).

S 1/8-Unit Load Allows Up to 256 Transceivers on

the Bus

S Thermal and Overcurrent Protected

S Fail-Safe Receivers

The MAX13450E/MAX13451E are available in a 14-pin

TSSOP package and operate over the automotive -40NC

to +125NC temperature range.

S +4.5V to +5.5V Supply Voltage Range

Functional Diagram (MAX13451E)

Applications

Industrial Control Systems

Portable Industrial Equipment

Motor Control

SRL

INV

MAX13451E

Security Networks

Medical Networks

FAULT

Ordering Information/

Selector Guide

TERM

LOGIC

HALF/FULL

PART

PIN-PACKAGE

LOGIC-LEVEL

TRANSLATION

DUPLEX

MAX13450EAUD+

MAX13451EAUD+

Full

14 TSSOP-EP*

Half

Note: All devices are specified over the -40°C to +125°C

operating temperature range.

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

*EP = Exposed pad.

TERM100

GND

_______________________________________________________________ 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...17

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与MAX13451E相关器件

型号	品牌	获取价格	描述	数据表
MAX13451EAUD+	MAXIM	获取价格	RS-485 Transceivers with Integrated 100Ω/120Ω
MAX1346	MAXIM	获取价格	12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
MAX1346	ADI	获取价格	12位、多通道ADC/DAC，带有FIFO、温度传感器和GPIO端口
MAX1346BETX	MAXIM	获取价格	12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
MAX1346BETX+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, TQFN-36
MAX1346BETX+T	MAXIM	获取价格	暂无描述
MAX1347BETX+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, MO-220-WJJD, TQFN-36
MAX1347BETX+T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, MO-220-WJJD, TQFN-36
MAX1348	MAXIM	获取价格	12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
MAX1348	ADI	获取价格	12位、多通道ADC/DAC，带有FIFO、温度传感器和GPIO端口

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