Overview
The ADUM120N1BRZ is a dual-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This component combines high-speed, complementary metal-oxide semiconductor (CMOS), and monolithic air core transformer technology to provide outstanding performance characteristics. It is designed to offer superior isolation and data transmission capabilities compared to optocoupler devices and other integrated couplers.
The ADUM120N1BRZ is approved by various safety and regulatory standards, including UL recognition (3000V rms for 1 minute per UL 1577), CSA Component Acceptance Notice 5A, VDE certificate of conformity, and CQC certification per GB4943.1-2011.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Isolation Voltage | 3 kV rms | Withstand voltage rating | |||
| Propagation Delay | 13 ns | ns | Maximum at 5 V operation | ||
| Pulse Width Distortion | 3 ns | ns | At 5 V operation | ||
| Channel Matching | 3.0 ns | ns | Maximum | ||
| Supply Voltage Range | 1.8 V | 5 V | V | On either side | |
| Output Rise/Fall Time | 2.5 ns | ns | 10% to 90% | ||
| Common-Mode Transient Immunity | 75 kV/μs | 100 kV/μs | kV/μs | VIx = VDDx, VCM = 1000 V, transient | |
| Package | SOIC-8 | ||||
| Data Rate | 10 Mbps | Mbps | Maximum |
Key Features
- High-speed data transmission with a maximum propagation delay of 13 ns and pulse width distortion of less than 3 ns at 5 V operation.
- Tight channel matching with a maximum of 3.0 ns.
- Operates with supply voltage ranging from 1.8 V to 5 V, enabling voltage translation functionality across the isolation barrier.
- Fail-safe options available, ensuring outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- High common-mode transient immunity of up to 100 kV/μs.
- Qualified for automotive applications and meets various safety and regulatory standards).
Applications
- General-purpose multichannel isolation).
- Industrial field bus isolation).
- RS-232/RS-422/RS-485 transceiver isolation).
- Data acquisition systems).
- Industrial automation).
- Medical equipment).
- Hybrid electric vehicles, battery monitors, and motor drives).
Q & A
- What is the ADUM120N1BRZ used for?
The ADUM120N1BRZ is a dual-channel digital isolator used for high-speed data transmission and isolation between electrical circuits, particularly in applications requiring high reliability and distortion-free data transfer.
- What is the isolation voltage rating of the ADUM120N1BRZ?
The ADUM120N1BRZ has an isolation voltage rating of 3 kV rms.
- What is the maximum propagation delay of the ADUM120N1BRZ?
The maximum propagation delay is 13 ns at 5 V operation.
- What is the package type of the ADUM120N1BRZ?
The ADUM120N1BRZ comes in an SOIC-8 package.
- What are the safety and regulatory approvals for the ADUM120N1BRZ?
The ADUM120N1BRZ is approved by UL recognition (3000V rms for 1 minute per UL 1577), CSA Component Acceptance Notice 5A, VDE certificate of conformity, and CQC certification per GB4943.1-2011.
- What is the maximum data rate supported by the ADUM120N1BRZ?
The ADUM120N1BRZ supports a maximum data rate of 10 Mbps.
- What are some common applications of the ADUM120N1BRZ?
Common applications include general-purpose multichannel isolation, industrial field bus isolation, data acquisition systems, industrial automation, and medical equipment.
- What is the supply voltage range for the ADUM120N1BRZ?
The supply voltage range is from 1.8 V to 5 V on either side.
- Does the ADUM120N1BRZ support fail-safe operation?
Yes, the ADUM120N1BRZ has fail-safe options that ensure outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- What is the common-mode transient immunity of the ADUM120N1BRZ?
The common-mode transient immunity is up to 100 kV/μs.
