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ADI ADuM540x iCoupler数字隔离器评估方案 模拟电子技术 免费猫

发布时间:2020-02-17 14:32:36 阅读: 来源:胶体磨厂家

ADI ADuM540x iCoupler数字隔离器评估方案 - 模拟电子技术 - 电子工程网

ADI公司的ADuM540x系列是单向5路iCoupler数字隔离器,隔离电压高达1kV,和光耦合器相比,具有优异的性能,每边的工作电压4.5 V到5.5 V,数据速率高达10Mbps(NRZ),工作温度高达105 度C,主要用在通用的单向多路数据隔离.本文介绍了ADuM75101主要特性,功能方框图和支持ADuM130x,ADuM131x,ADuM140x,ADuM141x,ADuM1510,ADuM240x,ADuM330x,ADuM340x,ADuM344x,ADuM440x,ADuM5000,ADuM520x,ADuM540x,ADuM6000,ADuM620x,ADuM640x,ADuM744x和ADuM7510的iCoupler评估板EVAL-ADuMQSEBZ主要特性,电路图和材料清单.

The ADuM75101 is a unidirectional 5-channel isolator based on the Analog Devices, Inc., iCoupler reg; technology. In contrast to the ADuM1510, the ADuM7510 has a lower isolation ratingoffering a reduced cost option for applications that can accept a 1 kV ac isolation. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices.

By avoiding the use of LEDs and photodiodes, iCoupler devices eliminate the design difficulties commonly associated with optocouplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. The need for external drivers and other discrete components is eliminated with these iCoupler products. Furthermore, iCoupler devices run at one-tenth to one-sixth the power consumption of optocouplers at comparable signal data rates.

The ADuM7510 isolator provides five independent isolation channels supporting data rates up to 10 Mbps. Each side operates with the supply voltage of 4.5 V to 5.5 V. Unlike other optocoupler alternatives, the ADuM7510 isolator has a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.

ADuM75101主要特性:

RoHS-compliant, 16-lead, QSOP package

Low power operation: 5 V

1.2 mA per channel maximum @ 0 Mbps to 2 Mbps

2.8 mA per channel maximum @ 10 Mbps

High temperature operation: 105°C

Up to 10 Mbps data rate (NRZ)

Low default output state

1000 V rms isolation rating

Safety and regulatory approvals (pending)

UL recognition

1000 V rms for 1 minute per UL 1577

ADuM75101应用:

General-purpose, unidirectional, multichannel isolation

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