ADUM2402ARWZ IC

Technical Specifications of ADUM2402ARWZ

Datasheet	ADUM2402ARWZ datasheet
Category	Isolators
Family	Digital Isolators
Manufacturer	Analog Devices Inc.
Series	iCoupler?
Packaging	Tube
Part Status	Active
Technology	Magnetic Coupling
Type	General Purpose
Isolated Power	No
Number of Channels	4
Inputs – Side 1/Side 2	2/2
Channel Type	Unidirectional
Voltage – Isolation	5000Vrms
Common Mode Transient Immunity (Min)	25kV/μs
Data Rate	1Mbps
Propagation Delay tpLH / tpHL (Max)	100ns, 100ns
Pulse Width Distortion (Max)	40ns
Rise / Fall Time (Typ)	2.5ns, 2.5ns
Voltage – Supply	2.7 V ~ 5.5 V
Operating Temperature	-40°C ~ 105°C
Package / Case	16-SOIC (0.295″, 7.50mm Width)
Supplier Device Package	16-SOIC

Introduction

Analog Devices, Inc.’s ADuM2402ARWZ is a 4-channel digital isolator that employs their cutting-edge iCoupler® technology. This in-depth study will look into the ADuM2402ARWZ’s features, benefits, and applications, putting light on its extraordinary capabilities as a high-performance digital isolator.

Features

The ADuM2402ARWZ has an exceptional set of characteristics, making it an excellent choice for digital isolation. Here is a thorough list of its essential features:

1. Low Power Operation:The ADuM2402ARWZ has exceptional power efficiency, utilizing little power even at high data rates.
2. Voltage Flexibility:The ADuM2402ARWZ, which is compatible with both 3 V and 5 V operation, provides versatility to meet a wide range of voltage needs.
3. Data Rate Versatility:
   • At 0 Mbps to 2 Mbps, it consumes a maximum of 1.0 mA per channel.
   • At 10 Mbps, it draws a maximum of 3.5 mA per channel.
   • For high-speed applications of up to 90 Mbps, it maintains a maximum consumption of 31 mA per channel.
4. Bidirectional Communication:Bidirectional data transmission is supported by the ADuM2402ARWZ, allowing for flexibility data flow in both ways.
5. Voltage Level Translation:Its ability to translate voltage levels from 3 V to 5 V provides simple integration with systems that require varying voltage levels.
6. High-Temperature Operation:It can work successfully under harsh environmental circumstances because to its high temperature tolerance of up to 105°C.
7. High Data Rate:The ADuM2402ARWZ enables high data speeds ranging from dc to an astonishing 90 Mbps (NRZ), making it ideal for applications requiring fast data transfer.
8. Precise Timing Characteristics:It keeps data transmission precision with a maximum pulse width distortion of only 2 ns and a maximum channel-to-channel matching of 2 ns.
9. Common-Mode Transient Immunity:It provides electrical interference protection and has a high common-mode transient immunity of >25 kV/s, ensuring data integrity in noisy situations.
10. Output Enable Function:The ADuM2402ARWZ has an output enable function that allows you to control data transfer as needed.
11. Package Options:It is available in two package sizes: a 16-lead SOIC wide body version (RW-16) and a 16-lead SOIC wide body improved creepage version (RI-16), providing design and layout freedom.
12. VIORM Rating:It features a VIORM rating of 846 V peak, ensuring safety in high-voltage environments.

In conclusion, the ADuM2402ARWZ is a versatile and high-performance digital isolator with features that make it perfect for a variety of applications ranging from industrial settings to medical equipment, providing precision, dependability, and robustness in data isolation and transmission.

Because of its flexible features and robust performance qualities, the ADuM2402ARWZ is useful in a wide range of applications. Here are a few significant applications for this digital isolator:

General-Purpose, High Voltage, Multichannel Isolation:

The ADuM2402ARWZ provides critical isolation between high-voltage components and low-voltage control systems in industrial and automation settings. It protects employees and equipment against electrical interference and voltage spikes by preventing them from damaging sensitive devices.

Medical Equipment:

• Precision and dependability are critical in medical devices. The accurate timing, bidirectional communication, and excellent common-mode transient immunity of the ADuM2402ARWZ make it ideal for applications such as patient monitors, diagnostic equipment, and medical imaging devices.

Motor Drives:

• High-speed data transfer and electrical noise are frequently involved in motor drives. Because of its high data rate capability, low pulse width distortion, and common-mode transient immunity, the ADuM2402ARWZ is an excellent choice for motor control systems that require accurate and efficient motor operation.

Power Supplies:

• Power supply systems, particularly in industrial and critical applications, require steady and safe operation. The bidirectional communication and voltage level translation capabilities of the ADuM2402ARWZ make it suited for managing and monitoring power supplies, ensuring dependability and safety.

The ADuM2402ARWZ improves system performance in all of these applications by providing secure and precise isolation, protecting data integrity, and limiting the possibility of electrical interference. Its compliance with safety requirements and variable voltage options cement its position as a top choice for engineers and designers in a variety of sectors.

Application Information

Let’s get more into the ADuM2402ARWZ’s precise application information:

• PC Board Design: Consider the following advice while developing a PCB (Printed Circuit Board) layout for the ADuM2402ARWZ:
• To reduce crosstalk and interference, keep input and output traces on separate sides of the isolation barrier.
• To maintain isolation, ensure appropriate clearance between the high-voltage and low-voltage sides of the isolation barrier.
• To reduce parasitic capacitance and inductance, adhere to the manufacturer’s component placement and routing instructions.
• To provide a low-impedance return path for signal currents and improve noise immunity, use a ground plane on both sides of the board.

Propagation Delay-Related Parameters

Propagation delay is an important quantity, particularly in situations where precision timing is required. The ADuM2402ARWZ has a minimal propagation delay, however it’s necessary to check the datasheet for exact delay numbers, as they can vary depending on operating conditions and grade. Check that the propagation delay satisfies your application’s timing requirements.

DC Correctness and Magnetic Field Immunity

The ADuM2402ARWZ incorporates a proprietary refresh function that ensures DC accuracy in the absence of input logic transitions as well as under power-up/power-down circumstances. This feature aids in the preservation of signal integrity and accuracy over time.

Magnetic field immunity is provided by the monolithic air core transformer technology used in iCoupler devices, including the ADuM2402ARWZ, which can be advantageous in electrically loud conditions.

Power Consumption

The ADuM2402ARWZ is noted for its low power operation, making it ideal for applications requiring high power efficiency. Power usage is determined by the data rate and voltage levels. To maximize efficiency, ensure that the power usage matches the energy limits of your system.

Insulation Lifetime

The manufacturer normally specifies the insulating lifetime of the ADuM2402ARWZ, which is affected by parameters like as temperature, voltage, and environmental conditions. To guarantee long-term reliability and insulation integrity, it is critical to use the device within its prescribed ratings.

In conclusion, while adding the ADuM2402ARWZ into your design, careful consideration of PCB layout, propagation delay, DC accuracy, magnetic field immunity, power consumption, and insulation lifetime is required. Following these suggestions will assist guarantee that the device performs optimally and reliably in your unique application.

Conclusion

The ADuM2402ARWZ digital isolator stands out as a superior alternative to optocouplers, offering outstanding performance, power efficiency, and flexibility. Its precise timing and safety features make it a go-to choice for a wide range of applications, from industrial settings to medical equipment.

When considering isolation solutions for your next project, the ADuM2402ARWZ should undoubtedly be at the top of your list, ensuring the reliability and performance you need in a compact and energy-efficient package.

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