Overview
The ADUM5412BRSZ is a quad-channel digital isolator with integrated, isolated dc-to-dc converters, developed by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which provides high common-mode transient immunity and regulated, isolated power. The ADUM5412BRSZ is designed to eliminate the need for a separate isolated power supply, making it a compact and efficient solution for various industrial and communication applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Propagation Delay | tPHL, tPLH | 4.8 | 7.2 | 13 | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | 0.5 | 3 | ns | |tPLH − tPHL| | |
| Data Rate | 150 | Mbps | Within PWD limit | |||
| Common-Mode Transient Immunity | |CMH|, |CML| | 75 | 100 | kV/μs | VCM = 1000 V, transient magnitude = 800 V | |
| Isolated Power Supply Voltage | 3.15 | 5.25 | V | Adjustable | ||
| Supply Current (IDD1, IDD2) | 4.3, 5.3 | 7.7, 8.7 | 10.3, 11.2 | mA | VIx = Logic 1, see datasheet for detailed conditions |
Key Features
- Quad-channel digital isolation with integrated, isolated dc-to-dc converters using iCoupler® technology.
- High common-mode transient immunity of up to 100 kV/μs.
- Regulated, isolated power supply adjustable between 3.15 V and 5.25 V.
- UL recognition, CSA Component Acceptance Notice 5A, and VDE certificate of conformity pending.
- Data rate of up to 150 Mbps.
- Low propagation delay and pulse width distortion.
- Compact SSOP-24 package.
Applications
- RS-232 transceivers.
- Power supply startup bias and gate drives.
- Isolated sensor interfaces.
- Industrial PLCs (Programmable Logic Controllers).
- Automotive and industrial communication systems requiring high isolation and reliability.
Q & A
- What is the primary function of the ADUM5412BRSZ?
The ADUM5412BRSZ is a quad-channel digital isolator with integrated, isolated dc-to-dc converters, providing high isolation and regulated power for various applications.
- What is the common-mode transient immunity of the ADUM5412BRSZ?
The common-mode transient immunity is up to 100 kV/μs.
- What are the adjustable voltage ranges for the isolated power supply?
The isolated power supply voltage is adjustable between 3.15 V and 5.25 V.
- What are the key safety and regulatory approvals for this component?
The component has pending UL recognition, CSA Component Acceptance Notice 5A, and VDE certificate of conformity.
- What is the maximum data rate supported by the ADUM5412BRSZ?
The maximum data rate is up to 150 Mbps.
- What package type is the ADUM5412BRSZ available in?
The component is available in a compact SSOP-24 package.
- What are some typical applications for the ADUM5412BRSZ?
Typical applications include RS-232 transceivers, power supply startup bias and gate drives, isolated sensor interfaces, and industrial PLCs.
- How does the ADUM5412BRSZ improve system reliability?
The component improves system reliability by providing high isolation, reducing the risk of electrical noise and transient damage, and ensuring stable operation in harsh environments.
- What is the significance of iCoupler® technology in the ADUM5412BRSZ?
iCoupler® technology provides the high isolation and reliable data transfer necessary for demanding applications, while also integrating the isolated power supply.
- Can the ADUM5412BRSZ be used in automotive applications?
