Overview
The ADUM3481BRSZ-RL7 is a quad-channel digital isolator produced by Analog Devices Inc. It is based on the company's iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology. This component is designed to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. The ADUM3481BRSZ-RL7 offers low propagation delay, high data rates, and robust common-mode transient immunity, making it suitable for a variety of applications requiring reliable and high-speed data isolation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Data Rate | - | - | 25 | Mbps | Within PWD limit | |
| Propagation Delay | tPHL, tPLH | 25 | 33 | 50 | ns | 50% input to 50% output |
| Supply Voltage | VDDL1, VDD1, VDDL2, VDD2 | 4.5 | - | 5.5 | V | -40°C ≤ TA ≤ +125°C |
| Quiescent Supply Current (Input Side) | IDDI (Q) | 0.50 | 0.60 | - | mA | - |
| Dynamic Supply Current (Input Side) | IDDI (D) | - | 0.070 | - | mA/Mbps | - |
| Common-Mode Transient Immunity | |CM| | 25 | 35 | - | kV/µs | VCM = 1000 V, transient magnitude = 800 V |
| Isolation Voltage | - | - | 560 | V | Peak | |
| Maximum Operating Temperature | - | - | 125 | °C | - |
Key Features
- Up to 25 Mbps data rate (NRZ)
- Low propagation delay: 25 ns typical
- Low dynamic power consumption
- 1.8 V to 5 V level translation
- High temperature operation: up to 125°C
- High common-mode transient immunity: >25 kV/µs
- Output default select
- RoHS-compliant, SSOP package
- Safety and regulatory approvals: UL recognition, CSA Component Acceptance Notice, VDE certificate of conformity
Applications
- General-purpose multichannel isolation
- SPI interface/data converter isolation
- Industrial field bus isolation
- Automotive interfaces (CAN, Audio, Ethernet)
- Industrial I/O and IO-Link
Q & A
- What is the ADUM3481BRSZ-RL7 used for?
The ADUM3481BRSZ-RL7 is a quad-channel digital isolator used for general-purpose multichannel isolation, SPI interface/data converter isolation, and industrial field bus isolation, among other applications.
- What is the maximum data rate of the ADUM3481BRSZ-RL7?
The maximum data rate of the ADUM3481BRSZ-RL7 is up to 25 Mbps (NRZ).
- What is the typical propagation delay of the ADUM3481BRSZ-RL7?
The typical propagation delay of the ADUM3481BRSZ-RL7 is 25 ns.
- What is the operating temperature range of the ADUM3481BRSZ-RL7?
The operating temperature range of the ADUM3481BRSZ-RL7 is from -40°C to +125°C.
- What is the isolation voltage of the ADUM3481BRSZ-RL7?
The isolation voltage of the ADUM3481BRSZ-RL7 is up to 560 V peak.
- Is the ADUM3481BRSZ-RL7 RoHS-compliant?
Yes, the ADUM3481BRSZ-RL7 is RoHS-compliant.
- What are the safety and regulatory approvals for the ADUM3481BRSZ-RL7?
The ADUM3481BRSZ-RL7 has UL recognition, CSA Component Acceptance Notice, and VDE certificate of conformity.
- What package type does the ADUM3481BRSZ-RL7 come in?
The ADUM3481BRSZ-RL7 comes in an SSOP package.
- What is the common-mode transient immunity of the ADUM3481BRSZ-RL7?
The common-mode transient immunity of the ADUM3481BRSZ-RL7 is greater than 25 kV/µs.
- Does the ADUM3481BRSZ-RL7 support level translation?
Yes, the ADUM3481BRSZ-RL7 supports 1.8 V to 5 V level translation.
