Datasheet > MAX14483

MAX14483

更新时间： 2024-11-24 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
26页	1015K
描述
6通道、低功耗、3.75kVRMS、SPI数字隔离器

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MAX14483 数据手册

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MAX14483

6-Channel, Low-Power,

, SPI Digital Isolator

3.75kV

RMS

General Description

The MAX14483 is a 6-channel, 3.75kV

Beneﬁts and Features

● Saves Space and Components

digital galvanic

RMS

• 6 Isolated Channels in a 20-SSOP Package

isolator using Maxim’s proprietary process technology.

The six signal channels are individually optimized for SPI

applications and include very low propagation delay on

the SDI, SDO, and SCLK channels. The SDO channel’s

tri-state control is enabled by the CS input as well as

a second enable control input pin (SDOEN), allowing

a single MAX14483 to isolate multiple SPI devices. To

simplify system design, an open-drain FAULT output can

be wire ORed with error outputs from other devices. In

addition, an auxiliary channel (AUX) is available for

passing timing or control signals from the master side

to the slave side and power monitors (SAA, SBA) are

provided for both power domains to signal if the opposite

side of the isolator is ready for operation. Independent

1.71V to 5.5V supplies on each side of the isolator also

make the device suitable for use as a level translator.

● Low Propagation Delay on SCLK, SDI, and SDO

• Up to 100MHz Clock, 200Mbps Data Rate

• 10ns Typical Propagation Delay

• 2ns Maximum Pulse Width Distortion

• 250ps Typical Peak Jitter

● Robust Galvanic Isolation of Digital Signals

• Withstands 3.75kV

for 60s (V

)

RMS

• Continuously Withstands 450V

ISO

)

RMS IOWM

• Withstands ±10kV Surge between GNDA and

GNDB with 1.2/50µs Waveform

• High CMTI (50kV/µs, Typical)

● Flexible System Design

• Wide 1.71V to 5.5V Voltage Range on Each Side

• SDOEN Control Pin for Sharing Isolators

• Open-Drain FAULT Channel for Shared Interrupt

on Master Side

The MAX14483 has an isolation rating of 3.75kV

for

RMS

60 seconds and is available in a 20-pin SSOP package

with 5.5mm of creepage and clearance. The package

material has a minimum comparative tracking index (CTI)

of 400V, which gives it a group II rating in creepage tables.

• Auxiliary Channel for Timing or Control

● Low Power Consumption

• 1.53mW per Channel at SCLK = 10MHz with

= 3.3V

The MAX14483 is rated for operation at ambient temperatures

of -40°C to +125°C.

• 0.77mW per Channel at SCLK = 10MHz with

= 1.8V

Applications

Safety Regulatory Approvals

● Programmable Logic Controllers

● Industrial Automation

● Process Automation

● Building Automation

● Robotics

● UL According to UL1577

● cUL According to CSA Bulletin 5A

Ordering Information and Typical Operating Circuits appear

at end of data sheet.

● General SPI-bus Isolation

19-100011; Rev 4; 3/20

12 3 4 5 6 7...26

中文翻译

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与MAX14483相关器件

型号	品牌	获取价格	描述	数据表
MAX14483AAP+T	MAXIM	获取价格	Interface Circuit,
MAX1448EHJ	MAXIM	获取价格	10-Bit, 80Msps, Single 3.0V, Low-Power ADC with Internal Reference
MAX1448EHJ+	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5
MAX1448EHJ+T	MAXIM	获取价格	暂无描述
MAX1448EHJ-T	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5
MAX1448EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1444/MAX1446/MAX1448/MAX1449
MAX1449	MAXIM	获取价格	10-Bit, 105Msps, Single +3.3V, Low-Power ADC with Internal Reference
MAX1449	ADI	获取价格	10位、105Msps、单路+3.3V、低功耗ADC，内置电压基准
MAX1449EHJ	MAXIM	获取价格	Analog-to-Digital Converter， 10-Bit
MAX1449EHJ+	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5

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