Overview
The ADUM1280ARZ-RL7 is a dual-channel digital isolator produced by Analog Devices Inc. It is part of the iCoupler® series, which combines high-speed CMOS and monolithic air core transformer technology to provide superior isolation performance. This component is designed to offer high common-mode transient immunity, low propagation delay, and high data rates, making it suitable for a variety of industrial and medical applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | ADUM1280ARZ-RL7 | |
| Description | Digital Isolator CMOS 2-CH 1Mbps 8-Pin SOIC N T/R | |
| Lifecycle Status | PRODUCTION | |
| Factory Lead Time | 8 Weeks | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 8 | |
| ECCN Code | EAR99 | |
| Type | General Purpose | |
| Voltage - Supply | 3V~5.5V | |
| Terminal Position | DUAL | |
| Terminal Form | GULL WING | |
| Number of Functions | 1 | |
| Supply Voltage | 3V | |
| Pin Count | 8 | |
| Voltage - Isolation | 3000Vrms | |
| Number of Channels | 2 | |
| Nominal Supply Current | 2mA | |
| Output Current | - | |
| Propagation Delay | 50 ns | |
| Turn On Delay Time | 24 ns | |
| Data Rate | 1Mbps | |
| Rise / Fall Time (Typ) | 2.5ns 2.5ns | |
| Channel Type | Unidirectional | |
| Common Mode Transient Immunity (Min) | 25kV/μs | |
| Pulse Width Distortion (PWD) | 10 ns | |
| Length | 4.9mm | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Contains Lead | |
| Contact Plating | Tin | |
| Peak Reflow Temperature (Cel) | 260 | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Max Operating Temperature | 125 °C |
Key Features
- High-Speed Data Transfer: Supports data rates up to 1 Mbps, making it suitable for high-speed applications.
- Low Propagation Delay: Typical propagation delay of 50 ns ensures minimal signal delay.
- High Common-Mode Transient Immunity: Offers immunity to common-mode transients greater than 25 kV/μs, enhancing reliability in noisy environments.
- Wide Operating Temperature Range: Operates up to 125°C, making it suitable for industrial and harsh environment applications.
- Low Dynamic Power Consumption: Efficient power management reduces overall system power consumption.
- Bidirectional Communication Capability: Although the ADUM1280ARZ-RL7 is unidirectional, other models in the series support bidirectional communication.
- 3.3 V to 5 V Level Translation: Compatible with various supply voltages, facilitating integration into diverse systems.
Applications
- Industrial Control Systems: Used in motor control, power supplies, and other industrial automation applications where high isolation and reliability are crucial.
- Medical Devices: Suitable for medical equipment due to its high isolation voltage and compliance with medical safety standards.
- Automotive Systems: Applied in automotive electronics for signal isolation and protection against high voltage transients.
- Power Supplies and DC-DC Converters: Used to isolate control signals in power supply and DC-DC converter designs.
- Communication Systems: Utilized in communication systems requiring high-speed data transfer and isolation.
Q & A
- What is the ADUM1280ARZ-RL7 used for?
The ADUM1280ARZ-RL7 is a dual-channel digital isolator used for isolating digital signals in various applications, including industrial control systems, medical devices, and automotive systems. - What is the maximum data rate of the ADUM1280ARZ-RL7?
The maximum data rate of the ADUM1280ARZ-RL7 is 1 Mbps. - What is the isolation voltage of the ADUM1280ARZ-RL7?
The isolation voltage of the ADUM1280ARZ-RL7 is 3000Vrms. - What is the propagation delay of the ADUM1280ARZ-RL7?
The propagation delay of the ADUM1280ARZ-RL7 is 50 ns. - Is the ADUM1280ARZ-RL7 RoHS compliant?
Yes, the ADUM1280ARZ-RL7 is ROHS3 compliant. - What is the maximum operating temperature of the ADUM1280ARZ-RL7?
The maximum operating temperature of the ADUM1280ARZ-RL7 is 125°C. - Does the ADUM1280ARZ-RL7 support bidirectional communication?
No, the ADUM1280ARZ-RL7 is a unidirectional isolator, but other models in the series support bidirectional communication. - What is the common-mode transient immunity of the ADUM1280ARZ-RL7?
The common-mode transient immunity of the ADUM1280ARZ-RL7 is greater than 25 kV/μs. - What is the package type of the ADUM1280ARZ-RL7?
The package type of the ADUM1280ARZ-RL7 is 8-Pin SOIC. - Is the ADUM1280ARZ-RL7 lead-free?
No, the ADUM1280ARZ-RL7 contains lead.
