Datasheet > MAX22028AWA+

MAX22028AWA+

更新时间： 2024-11-16 21:15:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
16页	813K
描述
Line Transceiver,

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中文翻译

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技术参数
数据手册

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MAX22028AWA+ 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	unknown
Factory Lead Time：	6 weeks	风险等级：	1.51
Base Number Matches：	1

MAX22028AWA+ 数据手册

EVALUATION KIT AVAILABLE

Click here for production status of speciﬁc part numbers.

MAX22025/MAX22026/

MAX22027/MAX22028

Compact, Isolated, Half-Duplex RS-485/RS-422

Transceivers with AutoDirection Control

General Description

Beneﬁts and Features

The MAX22025-MAX22028 compact isolated RS-485/

● High-Level Integration Reduces Overall Solution Size

• Fully Isolated Half-Duplex RS-485/RS-422

Transceivers

RS-422 transceivers provide 3.5kV of digital galvanic

RMS

isolation between the cable-side (RS-485/RS-422 driver/

receiver-side) and the UART-side of the device. Isolation

improves communication by breaking ground loops and

reduces noise when there are large differences in ground

potential between ports. These devices allow for robust

communication up to 0.5Mbps or 16Mbps.

• Compact 8-Pin Wide Body SOIC Package (5.5mm

Creepage)

● Integrated Protection Ensures Robust Communication

• ±10kV ESD (HBM) on Driver Outputs/Receiver Inputs

• Withstands 3.5kV

Isolation Voltage for

RMS

The MAX22025-MAX22028 feature Maxim’s proprietary

AutoDirection control making these devices ideal for

applications such as isolated RS-485 ports, where the

driver input is used in conjuction with the driver-enable

signal to drive the differential bus.

60 Seconds (V

• Withstands 630V

Isolation Voltage (V

• Continuously Withstands 445V

)

ISO

Maximum Repetitive Peak-

PEAK

)

IORM

Maximum

RMS

IOWM

Working-Isolation Voltage (V

)

The MAX22025/MAX22027 feature reduced slew rate

drivers that minimize EMI and reduce reflections caused

by improper termination of cable allowing error-free

transmission up to 0.5Mbps. The MAX22026/MAX22028

driver outputs are not slew-rate limited, allowing

transmit speeds up to 16Mbps.

● Enables Flexible System Design

• 0.5Mbps Maximum Data Rate with Slew-Rate Limited

Driver (MAX22025/MAX22027)

• 16Mbps Maximum Data Rate (MAX22026/MAX22028)

• AutoDirection Eliminates the Need for DE and RE

Control Signals

The receiver output of the MAX22025/MAX22026 does

Ordering Information appears at end of data sheet.

not follow (V -V ) when the device is in the driver-

enabled state. The receiver output on the MAX22027/

MAX22028 always follows (V -V ).

Functional Diagram

The driver outputs and receiver inputs are protected

from ±10kV electrostatic discharge (ESD) to GNDB on

the cable side, as specified by the Human Body Model

(HBM). The MAX22025-MAX22028 are available in a

compact 8-pin wide body SOIC package and operate over

the -40°C to +85°C temperature range.

DDB

DDA

RXD

TXD

MAX22025

MAX22026

MAX22027

MAX22028

COM

STATE

MACHINE

Applications

● Utility Meters

● Industrial Automation Equipment

● Programmable Logic Controllers

● HVAC

GNDA

GNDB

19-100636; Rev 2; 11/19

12 3 4 5 6 7...16

中文翻译

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与MAX22028AWA+相关器件

型号	品牌	获取价格	描述	数据表
MAX22028F	ADI	获取价格	小尺寸、隔离型、半双工RS-485/RS-422收发器，带有AutoDirection (
MAX2202EWTT10	MAXIM	获取价格	RMS Power Detector
MAX2203	MAXIM	获取价格	RMS Power Detector
MAX2203EWT+T10	MAXIM	获取价格	RMS Power Detector
MAX2204	MAXIM	获取价格	RF Power Detector
MAX2204	ADI	获取价格	RF功率检测器
MAX2204_1	MAXIM	获取价格	Evaluation Kit
MAX2204EVKIT	MAXIM	获取价格	Evaluation Kit
MAX2204EXK	MAXIM	获取价格	RF Power Detector
MAX2204EXK+	MAXIM	获取价格	暂无描述

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