Overview
The ADUM140E1BRZ is a quad-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, combining high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers.
It is designed for high common-mode transient immunity, robustness to radiated and conducted noise, and low propagation delay. The device operates with supply voltages ranging from 1.8 V to 5 V, enabling compatibility with various voltage systems and facilitating voltage translation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Propagation Delay (5 V operation) | tPHL, tPLH | - | - | 13 ns | - | - |
| Propagation Delay (1.8 V operation) | tPHL, tPLH | - | - | 15 ns | - | - |
| Maximum Data Rate | - | - | - | 150 Mbps | - | - |
| Pulse Width Distortion | |tPLH − tPHL| | - | - | 3 ns | - | - |
| Channel Matching | tPSKCD | - | - | 3.0 ns | - | - |
| Withstand Voltage Rating | - | - | - | 3 kV rms / 3.75 kV rms | - | - |
| Operating Temperature | - | - | - | 125°C | - | - |
| Package Type | - | - | - | 16-lead SOIC | - | - |
Key Features
- High common-mode transient immunity: 100 kV/μs
- Robustness to radiated and conducted noise
- Low propagation delay and pulse width distortion
- Fail-safe high or low options
- Backward compatibility with ADuM1400/ADuM1401/ADuM1402
- Low dynamic power consumption
- High temperature operation up to 125°C
- Qualified for automotive applications
- RoHS compliant
- Safety and regulatory approvals including UL, CSA, VDE, and CQC certifications
Applications
- General-purpose multichannel isolation
- Serial peripheral interface (SPI) and data converter isolation
- Industrial field bus isolation
- Automotive interfaces and systems
Q & A
- What is the ADUM140E1BRZ used for?
The ADUM140E1BRZ is a quad-channel digital isolator used for general-purpose multichannel isolation, SPI and data converter isolation, and industrial field bus isolation.
- What is the maximum data rate of the ADUM140E1BRZ?
The maximum guaranteed data rate of the ADUM140E1BRZ is 150 Mbps.
- What are the operating voltage ranges for the ADUM140E1BRZ?
The device operates with supply voltages ranging from 1.8 V to 5 V.
- What is the propagation delay of the ADUM140E1BRZ at 5 V operation?
The propagation delay at 5 V operation is a maximum of 13 ns.
- Does the ADUM140E1BRZ have fail-safe options?
Yes, the ADUM140E1BRZ offers fail-safe high or low options.
- What are the safety and regulatory approvals for the ADUM140E1BRZ?
The device has UL, CSA, VDE, and CQC certifications.
- What is the maximum operating temperature of the ADUM140E1BRZ?
The maximum operating temperature is 125°C.
- Is the ADUM140E1BRZ RoHS compliant?
Yes, the ADUM140E1BRZ is RoHS compliant.
- What package type does the ADUM140E1BRZ come in?
The device comes in a 16-lead SOIC package.
- Is the ADUM140E1BRZ qualified for automotive applications?
Yes, it is qualified for automotive applications.
