ADUM1280ARZ Allicdata Electronics
Allicdata Part #:

ADUM1280ARZ-ND

Manufacturer Part#:

ADUM1280ARZ

Price: $ 1.88
Product Category:

Isolators

Manufacturer: Analog Devices Inc.
Short Description: DGTL ISO 3KV 2CH GEN PURP 8SOIC
More Detail: General Purpose Digital Isolator 3000Vrms 2 Channe...
DataSheet: ADUM1280ARZ datasheetADUM1280ARZ Datasheet/PDF
Quantity: 2218
1 +: $ 1.70730
98 +: $ 1.44900
196 +: $ 1.23454
588 +: $ 1.01430
1078 +: $ 0.84042
2548 +: $ 0.78246
Stock 2218Can Ship Immediately
$ 1.88
Specifications
Series: iCoupler®
Packaging: Tube 
Part Status: Active
Technology: Magnetic Coupling
Type: General Purpose
Isolated Power: No
Number of Channels: 2
Inputs - Side 1/Side 2: 2/0
Channel Type: Unidirectional
Voltage - Isolation: 3000Vrms
Common Mode Transient Immunity (Min): 25kV/µs
Data Rate: 1Mbps
Propagation Delay tpLH / tpHL (Max): 50ns, 50ns
Pulse Width Distortion (Max): 10ns
Rise / Fall Time (Typ): 2.5ns, 2.5ns
Voltage - Supply: 3 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 8-SOIC
Base Part Number: ADUM1280
Description

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Digital isolator is a kind of device that transfers data between two circuits of different potentials. ADUM1280ARZ is a high-performance digital isolator for two power supply systems. This isolator ensures isolation distances beyond 5mm and insulates secondary circuits from failure of primary circuits. It utilizes a four-level full and half bridge system with digital drivers and receivers for isolation of data signals, as well as two isolated supply voltage networks to support bidirectional data transmission between two separated circuits. Pre-assembled parts help build the solution faster and allow for simplified layouts for better space utilization.

ADUM1280ARZ isolator application field and working principles revolve mainly around interfacing two separate voltage levels. It is designed for use in digital line isolation systems featuring high-speed digital and precise analog control for use in a variety of signal transmission applications. This isolator is capable of providing robust data signal transmission, coupled with steady optical coupling which is optically-isolated and electromagnetically-shielded.

ADUM1280ARZ isolator is suitable for use in a wide variety of applications including industrial automation, automotive, and consumer electronics. This device is ideal for isolating digital signal transmission with high speed and accurate analog control. It is also applicable for conversion of high voltage signals as well as the protection of low voltage signals. The total power range for its several regulated power supplies ranges from 2.8V to 20V.

The working principle of ADUM1280ARZ is based on the availability of four regulated low-voltage power supplies. These supplies are optically separated to ensure that signals on both sides are transmitted error free. With an integrated half-bridge system, it controls the digital control signals from each side by optically transferring them together with broadband delays. The other side meanwhile receives the delayed signal, amplifies it and sends it to a host controller in order to ensure that the two systems remain interconnected.

The ADUM1280ARZ provides two systems with reliable optical data links, which ensure isolation of up to 500V in environments that are heavily polluted with noise and EMI. It offers the best performance and long-term stability, as it uses for galvanic isolation a digital cascade that consists of a halfbridge and an internal line driver with a high bandwidth of 8 MHz. ADUM1280ARZ has already been used in a number of applications to provide secure and reliable data transmission in various industrial settings.

The specific data is subject to PDF, and the above content is for reference

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