Overview
The ADUM4166BRIZ-RL, produced by Analog Devices Inc., is a USB 2.0 port isolator that utilizes Analog Devices' iCoupler technology. This device is designed to dynamically support all USB 2.0 data rates, ensuring reliable and isolated communication between two USB ports. It is particularly useful in applications where electrical isolation is crucial to prevent ground loops, reduce noise, and enhance system reliability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Voltage | VBUSx, VDDx | 4.5 V, 3.0 V | - | 5.5 V, 3.6 V | V | Each voltage relative to its respective ground |
| Supply Current (Idle) | IDD1(LFI), IDD2(LFI) | 21 mA | 27 mA | - | mA | Low or Full Speed Mode |
| Supply Current (High Speed) | IDD1(HI), IDD2(HI) | 48 mA | 60 mA | - | mA | High Speed Mode |
| Isolation Voltage | - | - | - | 5700 Vrms | Vrms | Capacitive Coupling |
| Data Rate | - | - | - | 1.5 Mbps, 12 Mbps, 480 Mbps | Mbps | Supports all USB 2.0 data rates |
| Operating Temperature | - | - | - | -55°C to +125°C | °C | Extended industrial temperature range |
Key Features
- USB 2.0 Signaling: Automatic detection and support for low, full, and high speed connections.
- Bidirectional Isolation: Supports both upstream and downstream USB ports.
- Redriving and Data Retiming: Removes input jitter and ensures an open eye for high-speed data.
- Flexible Clock Input Options: Allows for clock or crystal input on the downstream side, accommodating various system designs.
- Low Power Standby Mode: Supports applications with limited available power, such as battery-operated peripherals.
- High Isolation Voltage: Provides 5700 Vrms isolation voltage using capacitive coupling.
Applications
- Industrial Automation: Used in systems requiring electrical isolation to prevent ground loops and noise.
- Medical Devices: Ensures patient safety by isolating USB connections in medical equipment.
- Automotive Systems: Supports isolated USB communication in automotive applications where reliability is critical.
- Consumer Electronics: Enhances the reliability of USB connections in consumer devices by providing electrical isolation.
Q & A
- What is the ADUM4166BRIZ-RL used for?
The ADUM4166BRIZ-RL is used as a USB 2.0 port isolator to provide electrical isolation between two USB ports, supporting all USB 2.0 data rates.
- What are the supported data rates?
The device supports data rates of 1.5 Mbps, 12 Mbps, and 480 Mbps.
- What is the isolation voltage of the ADUM4166BRIZ-RL?
The isolation voltage is 5700 Vrms using capacitive coupling.
- What are the operating temperature ranges for the ADUM4166BRIZ-RL?
The device operates over an extended industrial temperature range of -55°C to +125°C).
- Does the ADUM4166BRIZ-RL support low power standby mode?
Yes, it supports a low power standby mode for downstream (Side 2) applications with limited available power).
- What are the supply voltage ranges for the ADUM4166BRIZ-RL?
The supply voltage ranges are 4.5 V to 5.5 V for VBUSx and 3.0 V to 3.6 V for VDDx).
- What is the purpose of the redriving and data retiming feature?
The redriving and data retiming feature removes input jitter and ensures an open eye for high-speed data).
- Can the ADUM4166BRIZ-RL be used in automotive systems?
Yes, it can be used in automotive systems where reliable and isolated USB communication is required).
- What type of isolation does the ADUM4166BRIZ-RL use?
The device uses capacitive coupling for isolation).
- Is the ADUM4166BRIZ-RL suitable for medical devices?
Yes, it is suitable for medical devices where patient safety and electrical isolation are critical).
