Overview
The ADUM4402BRIZ-RL is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocouplers and other integrated couplers. The ADUM4402BRIZ-RL is designed to offer high data rates, low power consumption, and robust isolation, making it suitable for a variety of applications requiring reliable and high-performance digital isolation.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Voltage - Isolation | 5000 Vrms | Vrms | - |
| Operating Temperature | -40°C to 105°C | °C | - |
| Supply Voltage Range | 3.0 V to 5.5 V | V | - |
| Data Rate | dc to 90 Mbps (NRZ) | Mbps | - |
| Common-Mode Transient Immunity | >25 kV/µs | kV/µs | VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V |
| Output Rise/Fall Time | 2.5 ns (10% to 90%) | ns | - |
| Package Type | 16-lead SOIC wide body enhanced creepage version (RI-16) | - | - |
Key Features
- High-Speed Data Transfer: Supports data rates from dc to 90 Mbps (NRZ).
- Low Power Consumption: Consumes as low as 1.4 mA per channel at 0 Mbps to 2 Mbps and up to 34 mA per channel at 90 Mbps for 5 V operation.
- High Common-Mode Transient Immunity: >25 kV/µs, ensuring robust operation in noisy environments.
- Voltage Translation: Compatible with both 3.3 V and 5 V systems, enabling voltage translation across the isolation barrier.
- Precise Timing Characteristics: 2 ns maximum pulse width distortion and 2 ns maximum channel-to-channel matching.
- Output Enable Function: Allows for output enable/disable functionality.
- Patented Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
Applications
- General-Purpose Isolation: Suitable for various applications requiring digital isolation.
- Medical Equipment: Compliant with high voltage isolation standards, making it suitable for medical devices.
- Motor Drives: Used in motor control systems where high-speed data transfer and isolation are critical.
- Power Supplies: Ideal for power supply designs that require isolated feedback and control signals.
Q & A
- What is the isolation voltage of the ADUM4402BRIZ-RL?
The ADUM4402BRIZ-RL has an isolation voltage of 5000 Vrms. - What is the operating temperature range of the ADUM4402BRIZ-RL?
The operating temperature range is -40°C to 105°C. - What are the supported data rates for the ADUM4402BRIZ-RL?
The component supports data rates from dc to 90 Mbps (NRZ). - What is the common-mode transient immunity of the ADUM4402BRIZ-RL?
The common-mode transient immunity is >25 kV/µs. - Does the ADUM4402BRIZ-RL support voltage translation?
Yes, it is compatible with both 3.3 V and 5 V systems, enabling voltage translation across the isolation barrier. - What is the package type of the ADUM4402BRIZ-RL?
The package type is a 16-lead SOIC wide body enhanced creepage version (RI-16). - How does the patented refresh feature work?
The patented refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. - What are some typical applications of the ADUM4402BRIZ-RL?
Typical applications include general-purpose isolation, medical equipment, motor drives, and power supplies. - What is the power consumption of the ADUM4402BRIZ-RL at different data rates?
The power consumption varies from 1.4 mA per channel at 0 Mbps to 2 Mbps to 34 mA per channel at 90 Mbps for 5 V operation. - Does the ADUM4402BRIZ-RL have an output enable function?
Yes, it includes an output enable function that allows for output enable/disable functionality.
