Le blog de l'entreprise Supply Original ADI ADUM121N1BRZ 3000Vrms Dual-Channel Digital Isolators

Supply Original ADI ADUM121N1BRZ 3000Vrms Dual-Channel Digital Isolators

Mingjiada Electronics supplies the ADI ADUM121N1BRZ – a 3000 Vrms dual-channel digital isolator delivering high-performance isolation to safeguard industrial applications.

In industrial automation and automotive electronics, the reliability of signal isolation directly impacts the safety and stability of entire systems. As a dual-channel digital isolator from Analog Devices (ADI), the ADUM121N1BRZ has become the preferred solution for numerous engineers due to its outstanding performance and dependable isolation capabilities.
Employing iCoupler® magnetic coupling technology, the ADUM121N1BRZ delivers isolation voltages up to 3000Vrms. It supports a wide supply voltage range from 1.8V to 5.5V, achieving data transfer rates of up to 150Mbps while maintaining minimal propagation delay.
As a trusted component supplier, Mingjiada Electronics consistently provides customers with genuine ADUM121N1BRZ chips, meeting the demands of various demanding application scenarios.

Product Overview and Description
The ADUM121N1BRZ is a dual-channel digital isolator developed by ADI based on advanced iCoupler® technology. These isolation components combine high-speed CMOS process technology with monolithic air-core transformer technology, delivering superior performance compared to traditional optocouplers and other integrated couplers.
The ADUM121N1BRZ features mutually independent data channels with multiple configuration options, achieving a withstand voltage rating of 3kVrms and stable operation across a wide temperature range of -40°C to 125°C.
Unlike optocoupler solutions, the ADUM121N1BRZ ensures DC correctness without requiring input logic conversion. It offers two fail-safe options: when the input power is not applied or the input is disabled, the output transitions to a predetermined state.
The ADUM121N1BRZ is housed in an 8-pin SOIC package, is RoHS compliant, and is suitable for surface-mount technology, facilitating integration into various circuit designs.

【ADUM121N1BRZ】Specifications
The specifications of the ADUM121N1BRZ demonstrate its performance advantages in digital isolation:
Isolation Performance: Isolation voltage up to 3000Vrms, common-mode transient immunity minimum 75kV/μs, typical up to 100kV/μs
Electrical Characteristics: Power supply voltage range from 1.7V to 5.5V, supporting 1.8V, 3.3V, and 5V logic level compatibility
Transmission Performance: Maximum data rate of 150Mbps, propagation delay up to 13ns at 5V operation, pulse width distortion less than 3ns
Physical Characteristics: Utilises an 8-SOIC package, operating temperature range from -40°C to 125°C, suitable for industrial-grade applications
The following details the primary technical specifications for the ADUM121N1BRZ:
Basic Attributes
Number of Channels: 2 channels
Channel Direction: Unidirectional
Input Side 1/Side 2: 1/1
Isolation Characteristics
Isolation Voltage: 3000Vrms
Common-Mode Transient Immunity: Minimum 75kV/μs, typical 100kV/μs
Transmission Characteristics
Data Rate: 150Mbps
Propagation Delay: Maximum 13ns at 5V operation
Pulse Width Distortion: Maximum 3ns
Rise/Fall Time: Typical 2.5ns
Power Supply Characteristics
Supply Voltage Range: 1.7V to 5.5V
Level conversion: Supports 1.8V to 5V level conversion
Environmental characteristics
Operating temperature range: -40°C to 125°C
Package type: 8-SOIC (0.154", 3.90mm width)

Core Product Features
High common-mode transient immunity stands as a defining characteristic of the ADUM121N1BRZ, with a typical rating of 100kV/μs. This ensures stable signal transmission even amidst substantial noise interference prevalent in industrial environments.
Low propagation delay represents another significant advantage of the ADUM121N1BRZ. At a 5V operating voltage, the maximum propagation delay is only 13ns, with pulse width distortion less than 3ns and tight channel matching (maximum 3.0ns). This is crucial for high-speed data transmission and timing-critical applications.
Compared to traditional optocouplers, the ADUM121N1BRZ offers low dynamic power consumption and a smaller footprint, facilitating the design of more compact, energy-efficient electronic systems.
The ADUM121N1BRZ also offers flexible fail-safe options, enabling the output to be set to a predetermined high or low state when the input power is lost or the input is disabled, thereby enhancing system reliability.
This ADUM121N1BRZ device also features backward compatibility, being pin-compatible with several earlier ADI isolator products, facilitating upgrades and replacements in existing designs.

Application Areas
The ADUM121N1BRZ is suitable for various applications requiring signal isolation, particularly general-purpose multi-channel isolation and industrial fieldbus isolation.
Within industrial automation, the ADUM121N1BRZ can be employed for digital input/output isolation in systems such as PLCs and DCSs, shielding control cores from field interference.
Industrial communication interfaces represent another key application scenario for the ADUM121N1BRZ, enabling isolation for fieldbus protocols such as Profibus and Modbus to ensure communication reliability.
The ADUM121N1BRZ is also suitable for automotive electronics, particularly in battery management systems and on-board chargers requiring high-voltage isolation.
Furthermore, it can be employed in isolated feedback circuits within power management systems and in signal isolation sections of medical equipment.
With its outstanding performance parameters and reliable isolation capability, the ADUM121N1BRZ holds a significant position in the digital isolation market. Its 3000Vrms isolation voltage, 100kV/μs common-mode immunity, and 150Mbps high-speed data transfer capability make it an ideal choice for industrial, automotive, and communications applications.

With the accelerating trends of Industry 4.0 and automotive electrification, demand for high-performance digital isolators will continue to grow. Advanced devices like the ADUM121N1BRZ will provide critical safety assurance for electronic systems.

【Mingjiada Electronics】supplies genuine ADUM121N1BRZ chips. For further product information or pricing enquiries regarding the ADUM121N1BRZ, please visit the Mingjiada Electronics official website (https://www.integrated-ic.com/) to view supply details.