Datasheet > MAX22344BAAP

MAX22344BAAP

更新时间： 2024-10-04 00:52:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
31页	1418K
描述
Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators

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MAX22344BAAP 数据手册

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MAX22344/MAX22345/

MAX22346

Reinforced, Fast, Low-Power,

Four-Channel 3.75kV Digital Isolators

RMS

General Description

Beneﬁts and Features

● Reinforced Galvanic Isolation for Fast Digital Signals

The MAX22344–MAX22346 are reinforced, fast, low-

power 4-channel digital galvanic isolators using Maxim’s

proprietary process technology. These devices transfer

digital signals between circuits with different power

domains, using as little as 0.74mW per channel at 1Mbps

(1.8V supply). All of the devices in the family feature

reinforced isolation for a withstand voltage rating of

• Up to 200Mbps Maximum Data Rate

• Withstands 3.75kV

for 60s (V

)

RMS

ISO

• Continuously Withstands 784V

• Withstands ±10kV Surge between GNDA and

GNDB with 1.2/50μs waveform

)

RMS IOWM

• High CMTI (50kV/μs, Typical)

3.75kV

for 60 seconds.

● Low Power Consumption

RMS

• 0.74mW per Channel at 1Mbps with V

= 1.8V

= 3.3V

The MAX22344–MAX22346 family offers all possible

unidirectional channel configurations to accommodate

any 4-channel design, including SPI, RS-485, and digital

I/O applications. Output enable for the A side of the

MAX22345R/S is active-low, making them ideal for isolating a

port on a shared SPI bus since the CS signal can directly

enable the MISO signal on the isolator. All other output

enables in the MAX22344–MAX22346 family are the

traditional active-high.

• 1.4mW per Channel at 1Mbps with V

• 3.2mW per Channel at 100Mbps with V

= 1.8V

● Options to Support a Broad Range of Applications

• 2 Maximum Data Rates (200Mbps, 25Mbps)

• 3 Direction Conﬁgurations

• Active-High or Active-Low Enable Inputs

• Pin-Selectable Output Default States (High/Low)

Devices are available with a maximum data rate of either

25Mbps or 200Mbps, and feature a selectable default state

for the outputs. The default is the state the output assumes

when the input is either not powered or is open-circuit. See

the Ordering Information and Product Selector Guide for

suffixes associated with each option. Independent 1.71V

to 5.5V supplies on each side of the isolator also make the

devices suitable for use as level translators.

Applications

● Isolated SPI Interface

● Fieldbus Communications for Industrial Automation

● Isolated RS-485/RS-422, CAN

● Battery Management

● Medical Systems

Safety Regulatory Approvals (Pending)

● UL According to UL1577

All of the devices in the MAX22344–MAX22346 family are

available in a 20-pin SSOP package with 5.5mm of creepage and

clearance. All devices are rated for operation at ambient

temperatures of -40°C to +125°C.

● cUL According to CSA Bulletin 5A

● VDE 0884-11 Reinforced Isolation

Ordering Information and Product Selector Guide appear at

end of data sheet.

19-100265; Rev 2; 2/19

12 3 4 5 6 7...31

中文翻译

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与MAX22344BAAP相关器件

型号	品牌	获取价格	描述	数据表
MAX22344CAAP	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators
MAX22344CAAP+	MAXIM	获取价格	Interface Circuit,
MAX22345	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators
MAX22345	ADI	获取价格	增强型、快速、低功耗、四通道、3.75kVRMS数字隔离器
MAX22345BAAP	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators
MAX22345CAAP	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators
MAX22345CSEVKIT	MAXIM	获取价格	Broad Range of Data Transfer Rates (from DC to 200Mbps)
MAX22345RAAP	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators
MAX22345SAAP	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators
MAX22346	MAXIM	获取价格	Reinforced, Fast, Low-Power, Four-Channel 3.75kVRMS Digital Isolators

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