Datasheet > MAX14434

MAX14434

更新时间： 2024-11-03 02:52:55

品牌	Logo	应用领域
美信 - MAXIM		/
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描述
Four-Channel, Fast, Low-Power, 5kVRMS Digital Isolators

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MAX14434 数据手册

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MAX14434–MAX14436

Four-Channel, Fast, Low-Power,

5kV Digital Isolators

RMS

General Description

Beneﬁts and Features

● Robust Galvanic Isolation for Fast Digital Signals

The MAX14434–MAX14436 are the fastest, lowest power,

4-channel, digital galvanic isolators on the market today

using Maxim’s proprietary process technology. These

devices transfer digital signals between circuits with

different power domains while using as little as 0.58mW per

channel at 1Mbps with a 1.8V supply. The MAX14434/5/6

• 200Mbps Data Rate

• Withstands 5kV

for 60s (V

)

RMS

ISO

• Continuously Withstands 848V

• Withstands ±10kV Surge between GNDA and

GNDB with 1.2/50μs waveform

)

RMS IOWM

• High CMTI (50kV/μs, Typical)

have an isolation rating of 5kV

for 60 seconds.

RMS

● Low Power Consumption

The MAX14434–MAX14436 family offers all three

possible unidirectional channel configurations to

accommodate any 4-channel design, including SPI,

RS-232, RS-485, and digital I/O applications. Output

enable for the A side of the MAX14435R/S/U/V 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 devices in the family have

the traditional active-high enable.

• 1.1mW per Channel at 1Mbps with V

• 3.5mW per Channel at 100Mbps with V

= 3.3V

= 1.8V

● Options to Support a Broad Range of Applications

• 2 Data Rates (25Mbps, 200Mbps)

• 3 Channel Direction Conﬁgurations

• 2 Output Default States (High/Low)

Applications

● Fieldbus Communications for Industrial Automation

● Isolated RS-485/RS-422, CAN

● General Isolation Application

● Battery Management

Devices are available with a maximum data rate of either

25Mbps or 200Mbps and with outputs that are either

default-high or default-low. The default is the state the

output assumes when the input is either not powered

or is open-circuit. See the Ordering Information for suf-

fixes 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.

● Medical Systems

Safety Regulatory Approvals (Pending)

● UL According to UL1577

● cUL According to CSA Bulletin 5A

● VDE 0884-10

The MAX14434–MAX14436 are available in a 16-pin wide-

body SOIC package with 8mm of creepage and clearance.

The package material has a minimum comparative track-

ing index (CTI) of 600V, which gives it a group 1 rating

in creepage tables. All devices are rated for operation at

ambient temperatures of -40°C to +125°C.

Ordering Information appears at end of data sheet.

19-100102; Rev 3; 1/19

12 3 4 5 6 7...26

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与MAX14434相关器件

型号	品牌	获取价格	描述	数据表
MAX14435	MAXIM	获取价格	Four-Channel, Fast, Low-Power, 5kVRMS Digital Isolators
MAX14435	ADI	获取价格	四通道、快速、低功耗、5kVRMS数字隔离器
MAX14435FAWE+	MAXIM	获取价格	Analog Circuit,
MAX14435FAWE+T	MAXIM	获取价格	Analog Circuit,
MAX14436	MAXIM	获取价格	Four-Channel, Fast, Low-Power, 5kVRMS Digital Isolators
MAX14436	ADI	获取价格	四通道、快速、低功耗、5kVRMS数字隔离器
MAX1444	MAXIM	获取价格	10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1444	ADI	获取价格	10位、40Msps、3.0V、低功耗ADC，内置电压基准
MAX1444EHJ	MAXIM	获取价格	10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1444EHJ/V+	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 10 Channel, Parallel, Word Access, CMOS, PQFP32,

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