Datasheet > MAX31910

MAX31910

更新时间： 2024-11-05 14:57:51

品牌	Logo	应用领域
亚德诺 - ADI		转换器电平转换器
页数	文件大小	规格书
19页	875K
描述
8通道、工业数字输入信号电平转换器/串行器

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中文翻译

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MAX31910 数据手册

EVALUATION KIT AVAILABLE

MAX31910

Ultra-Low Power Industrial, Octal, Digital Input

Translator/Serializer

General Description

Beneﬁts and Features

The MAX31910 industrial interface serializer translates,

conditions, and serializes the 24V digital output of sensors

and switches used in industrial, process, and building

automation to 5V CMOS-compatible signals required

by microcontrollers. It provides the front-end interface

circuit of a programmable logic controller (PLC) digital

input module.

● Ultra-Low Power and Heat Dissipation

• Low Quiescent Current (1.4mA typ)

• Highly Accurate and Stable Input Current Limiters,

Adjustable from 0.5mA to 6mA

• Special (Patent-Pending) Ultra-Low-Power Mode

with Switched Current Limiters

● High Integration Reduces BOM Count, Board

Size, and System Cost

The device features integrated current limiting, lowpass

filtering, and channel serialization. Input current limit-

ing allows a significant reduction in power consumed

from the field voltage supply as compared to traditional

discrete resistor-divider implementations. In addition, to

achieve the lowest in-class power dissipation, the device

uses patent-pending circuit techniques to achieve further

reduction of power beyond what is possible by input

current limiting alone.

• 8 High-Voltage Input Channels (36V max)

• On-Chip 8-1 Serialization with SPI Interface

• On-Chip 5V Regulator

• On-Chip Overtemperature Indicator

• On-Chip Field Supply Voltage Monitor

• Integrated Debounce Filters, Selectable from 0 to 3ms

● Robust Features and Performance for Industrial

Environments

• Multibit CRC Code Generation and Transmission for

Error Detection and More Reliable Data Transmission

• High ESD Immunity on All Field Input Pins

● Accepts Industry Standard Input Types

• Configurable for IEC 61131-2 Input Types 1, 2, and 3

● Flexible Power Supply Capability Enables Usage

in 5V, 12V, 24V, and Higher Voltage Systems

• Wide Operating Field Supply Range of 7V to 36V

• Can Be Powered From the Logic-Side Using a 5V

Supply

Selectable on-chip lowpass filters allow flexible debouncing

and filtering of sensor outputs based on the application.

On-chip serialization allows a drastic reduction in the

number of optocouplers used for isolation. The device

serializer is stackable so that any number of input channels

can be serialized and output through only one SPI-

compatible port. This reduces the number of optocouplers

needed to only three, regardless of the number of input

channels.

For enhanced robustness with respect to high-frequency

noise and fast electrical transients, a multibit CRC code

is generated and transmitted through the SPI port for

each 8 bits of data. The on-chip 5V voltage regulator can

be used to power external optocouplers, digital isolators,

or other external 5V circuitry.

Applications

● Digital Input Modules for PLCs

● Industrial, Building, and Process Automation

● Motor Control

For low-cost applications, Maxim Integrated offers a

pin-compatible version of this device, the MAX31911.

The MAX31911 does not include the patent-pending

current clamp-switching circuitry that is included with the

MAX31910.

The MAX31912 and MAX31913 versions includes energy-

less LED drivers while maintaining pin compatibility.

Ordering Information appears at end of data sheet.

19-6440; Rev 6; 8/17

12 3 4 5 6 7...19

中文翻译

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与MAX31910相关器件

型号	品牌	获取价格	描述	数据表
MAX31910_V01	MAXIM	获取价格	Ultra-Low Power Industrial, Octal, Digital Input Translator/Serializer
MAX31910AUI+	MAXIM	获取价格	Interface Circuit, PDSO28, TSSOP-28
MAX31910AUI+T	MAXIM	获取价格	Interface Circuit, PDSO28, TSSOP-28
MAX31910EVKIT	MAXIM	获取价格	Easy Evaluation of the MAX31910 and MAX31911
MAX31911	MAXIM	获取价格	Easy Evaluation of the MAX31910 and MAX31911
MAX31911	ADI	获取价格	8通道、工业数字输入信号电平转换器/串行器
MAX31911_12	MAXIM	获取价格	Industrial, Octal, Digital Input Translator/Serializer
MAX31911_13	MAXIM	获取价格	Industrial, Octal, Digital Input Translator/Serializer
MAX31911AUI+T	MAXIM	获取价格	Interface Circuit, PDSO28, TSSOP-28
MAX31912	ADI	获取价格	八通道、工业数字输入电平转换器/串行器

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