Overview
The ADUM4401BRWZ is a 4-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology to provide superior performance compared to optocouplers and other integrated couplers. The ADUM4401BRWZ offers four independent isolation channels, making it suitable for a variety of applications requiring high-speed data transfer and electrical isolation.
Key Specifications
| Parameter | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Data Rate | - | Mbps | 1 | - | 90 |
| Propagation Delay (tPHL, tPLH) | - | ns | 18 | 27 | 32 |
| Pulse Width Distortion (PWD) | - | ns | 0.5 | 2 | 3 |
| Supply Voltage | VDD | V | 3.0 | - | 5.5 |
| Supply Current (IDD1, IDD2) | - | mA | 1.2, 0.7 | 1.9, 1.2 | 4.8, 1.8 |
| Common-Mode Transient Immunity | |CM| | kV/µs | 25 | - | 35 |
| Output Rise/Fall Time | tR/tF | ns | - | 2.5 | - |
| Operating Temperature | - | °C | -40 | - | 105 |
| Package Type | - | - | - | 16-SOIC | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 90 Mbps.
- Electrical Isolation: Provides 5000 Vrms isolation voltage, ensuring safe and reliable data transfer across different voltage domains.
- Low Power Consumption: Consumes significantly less power compared to other isolators, with supply currents as low as 1.2 mA per channel.
- Patented Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Common-Mode Transient Immunity: Offers high immunity to common-mode transients, up to 35 kV/µs.
- RoHS Compliant: Lead-free and RoHS compliant, making it suitable for modern electronic designs.
Applications
- Medical Equipment: Used in medical devices where electrical isolation is critical for patient safety.
- Motor Drives: Applied in motor control systems to isolate control signals from high-voltage motor circuits.
- Power Supplies: Utilized in power supply designs to ensure isolation between different voltage domains.
- Industrial Automation: Employed in industrial automation systems for safe and reliable data communication.
Q & A
- What is the ADUM4401BRWZ used for?
The ADUM4401BRWZ is a 4-channel digital isolator used for high-speed data transfer and electrical isolation in various applications.
- What are the key features of the ADUM4401BRWZ?
Key features include high-speed data transfer up to 90 Mbps, 5000 Vrms electrical isolation, low power consumption, and a patented refresh feature.
- What is the operating temperature range of the ADUM4401BRWZ?
The operating temperature range is from -40°C to 105°C.
- What is the common-mode transient immunity of the ADUM4401BRWZ?
The common-mode transient immunity is up to 35 kV/µs.
- Is the ADUM4401BRWZ RoHS compliant?
Yes, the ADUM4401BRWZ is lead-free and RoHS compliant.
- What is the package type of the ADUM4401BRWZ?
The package type is 16-SOIC.
- What are the typical supply currents for the ADUM4401BRWZ?
The typical supply currents are 1.9 mA for IDD1 and 1.2 mA for IDD2.
- What is the propagation delay of the ADUM4401BRWZ?
The propagation delay (tPHL, tPLH) is typically 27 ns.
- What are some common applications of the ADUM4401BRWZ?
Common applications include medical equipment, motor drives, power supplies, and industrial automation systems.
- How does the ADUM4401BRWZ ensure dc correctness?
The ADUM4401BRWZ ensures dc correctness through its patented refresh feature, which operates in the absence of input logic transitions and during power-up/power-down conditions.
