Overview
The ADuM4120-1BRIZ, produced by Analog Devices Inc., is a 2 A isolated, single-channel driver that utilizes Analog Devices' iCoupler® technology to provide precision isolation. This component is designed for high-speed applications and offers true galvanic isolation between the input and output, making it ideal for environments where electrical noise and high voltage are significant concerns. The ADuM4120-1BRIZ operates with input supplies ranging from 2.5 V to 6.5 V, ensuring compatibility with lower voltage systems. It features a wide body, 6-lead SOIC package with increased creepage, enhancing safety and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current | 2 A |
| Isolation Voltage | 5 kV rms for 1 minute |
| Input Supply Voltage | 2.5 V to 6.5 V |
| Propagation Delay (Falling Edge) | 79 ns maximum |
| Common-Mode Transient Immunity | 150 kV/μs |
| Junction Temperature | 125°C |
| Package Type | Wide body, 6-lead SOIC |
| Safety and Regulatory Approvals | UL recognition per UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity (pending) |
Key Features
- Precision isolation using iCoupler technology
- High-speed CMOS and monolithic transformer technology
- Positive logic on/off keying (OOK) encoding scheme
- High common-mode transient immunity and electrical noise immunity
- Spread spectrum OOK carrier to minimize radiated emissions
- Options for models with and without an input glitch filter
- Default low output for safety
Applications
- Switching power supplies
- IGBT/MOSFET gate drivers
- Industrial inverters
- Gallium nitride (GaN)/silicon carbide (SiC) power devices
- Medical, industrial bus control, aircraft electronic systems, and radar data buses
Q & A
- What is the primary function of the ADuM4120-1BRIZ?
The ADuM4120-1BRIZ is a 2 A isolated, single-channel driver designed to provide precision isolation and high-speed switching capabilities.
- What is the isolation voltage of the ADuM4120-1BRIZ?
The isolation voltage is 5 kV rms for 1 minute.
- What are the input supply voltage ranges for the ADuM4120-1BRIZ?
The input supply voltage ranges from 2.5 V to 6.5 V.
- What is the propagation delay for the falling edge of the ADuM4120-1BRIZ?
The propagation delay for the falling edge is 79 ns maximum.
- What safety and regulatory approvals does the ADuM4120-1BRIZ have?
The component has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity (pending).
- What is the significance of the iCoupler technology used in the ADuM4120-1BRIZ?
iCoupler technology provides precision isolation and high-speed data transfer through chip-scale transformer coils separated by layers of polyimide isolation.
- What types of applications benefit from using the ADuM4120-1BRIZ?
Applications include switching power supplies, IGBT/MOSFET gate drivers, industrial inverters, and GaN/SiC power devices.
- How does the ADuM4120-1BRIZ handle common-mode transient immunity?
The component offers high common-mode transient immunity of 150 kV/μs.
- What is the purpose of the input glitch filter option in the ADuM4120-1BRIZ?
The input glitch filter reduces the chance of noise on the input pin triggering an output.
- What is the default output state of the ADuM4120-1BRIZ for safety reasons?
The default output state is low for safety reasons.
