Overview
The ADUM3480BRSZ is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocouplers and other integrated couplers. It is designed for high-speed data transmission with low propagation delay and high common-mode transient immunity, making it suitable for a variety of industrial and general-purpose isolation applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Data Rate | 25 | Mbps | NRZ | |||
| Propagation Delay | 25 | ns | Typical | |||
| Supply Voltage | VDD | 1.8 | 5 | V | ||
| Quiescent Supply Current (Input Side) | IDDI (Q) | 0.50 | 0.60 | mA | ||
| Quiescent Supply Current (Output Side) | IDDO (Q) | 1.26 | 1.7 | mA | ||
| Dynamic Supply Current (Input Side) | IDDI (D) | 0.070 | mA/Mbps | |||
| Common-Mode Transient Immunity | |CM| | 25 | 35 | kV/µs | ||
| Output Rise/Fall Time | tR/tF | 2.5 | ns | 10% to 90% | ||
| Input-to-Output Resistance | RI-O | 1012 | Ω | |||
| Input-to-Output Capacitance | CI-O | 2.2 | pF | f = 1 MHz |
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 (e.g., CAN, Audio, Ethernet)
- Industrial I/O and IO-Link applications
Q & A
- What is the ADUM3480BRSZ used for?
The ADUM3480BRSZ 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 ADUM3480BRSZ?
The maximum data rate is up to 25 Mbps (NRZ).
- What is the typical propagation delay of the ADUM3480BRSZ?
The typical propagation delay is 25 ns.
- What is the operating temperature range of the ADUM3480BRSZ?
The component can operate up to 125°C.
- What are the safety and regulatory approvals for the ADUM3480BRSZ?
The component has UL recognition, CSA Component Acceptance Notice, and VDE certificate of conformity.
- What is the common-mode transient immunity of the ADUM3480BRSZ?
The common-mode transient immunity is >25 kV/µs.
- What is the package type of the ADUM3480BRSZ?
The component is packaged in a 20-lead SSOP.
- Is the ADUM3480BRSZ RoHS-compliant?
Yes, the ADUM3480BRSZ is RoHS-compliant.
- What are the supply voltage options for the ADUM3480BRSZ?
The supply voltage can range from 1.8 V to 5 V.
- What is the input-to-output resistance of the ADUM3480BRSZ?
The input-to-output resistance is 1012 Ω.
