Overview
The ADUM4401WARWZ is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. The ADUM4401WARWZ offers four independent isolation channels, supporting various channel configurations and data rates, and is designed for low power consumption and high reliability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Data Rate | - | - | - | 10 Mbps | - | Within PWD limit |
| Propagation Delay (tPHL, tPLH) | - | 50 ns | 75 ns | 100 ns | ns | 50% input to 50% output |
| Pulse Width Distortion (PWD) | - | - | 3.5 ns | - | ns | - |
| Supply Voltage | VDD | 3.135 V | - | 5.5 V | V | - |
| Supply Current (IDD1 at 10 Mbps) | IDD1 | 1.4 mA | 2.0 mA | 5.6 mA | mA | - |
| Supply Current (IDD2 at 10 Mbps) | IDD2 | 0.9 mA | 1.6 mA | 3.3 mA | mA | - |
| Common-Mode Transient Immunity | |CM| | - | - | 25 kV/μs | kV/μs | - |
| Operating Temperature | - | - | - | 125°C | °C | - |
| Package Type | - | - | - | 16-lead SOIC wide body | - | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 10 Mbps with precise timing characteristics and low pulse width distortion (<3.5 ns).
- Low Power Operation: Consumes significantly less power compared to other isolators, with supply currents as low as 1.4 mA per channel at 10 Mbps.
- Voltage Translation: Operates with supply voltages ranging from 3.135 V to 5.5 V, enabling voltage translation across the isolation barrier.
- High Common-Mode Transient Immunity: Provides immunity to common-mode transients greater than 25 kV/μs.
- Output Enable Function: Includes an output enable function for controlling the output state.
- Automotive and High-Temperature Applications: Qualified for automotive applications and operates up to 125°C.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
Applications
- Hybrid Electric Vehicles: Used in battery monitoring and motor drive systems.
- Medical Equipment: Suitable for medical devices requiring high isolation and low power consumption.
- Motor Drives: Applied in motor drive systems where high-speed data transfer and isolation are critical.
- Power Supplies: Used in power supply designs to ensure isolation and reliability).
Q & A
- What is the ADUM4401WARWZ used for?
The ADUM4401WARWZ is a 4-channel digital isolator used to provide electrical isolation and data transfer between different voltage domains in various applications such as hybrid electric vehicles, medical equipment, motor drives, and power supplies. - What is the maximum data rate supported by the ADUM4401WARWZ?
The ADUM4401WARWZ supports data rates up to 10 Mbps. - What is the typical supply current of the ADUM4401WARWZ at 10 Mbps?
The typical supply current is around 2.0 mA for IDD1 and 1.6 mA for IDD2 at 10 Mbps. - What is the common-mode transient immunity of the ADUM4401WARWZ?
The common-mode transient immunity is greater than 25 kV/μs. - What is the operating temperature range of the ADUM4401WARWZ?
The operating temperature range is up to 125°C. - What package type is the ADUM4401WARWZ available in?
The ADUM4401WARWZ is available in a 16-lead SOIC wide body package. - Does the ADUM4401WARWZ support voltage translation?
Yes, it operates with supply voltages ranging from 3.135 V to 5.5 V, enabling voltage translation across the isolation barrier. - What is the refresh feature in the ADUM4401WARWZ?
The refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. - Is the ADUM4401WARWZ qualified for automotive applications?
Yes, it is qualified for automotive applications. - What is the pulse width distortion of the ADUM4401WARWZ?
The pulse width distortion is less than 3.5 ns.
