Overview
The ADUM4166BRIZ, manufactured by Analog Devices Inc., is a highly advanced USB 2.0 port isolator that incorporates the innovative iCoupler® technology. This device dynamically supports all USB 2.0 data rates, including low (1.5 Mbps), full (12 Mbps), and high (480 Mbps) speeds, making it versatile for various applications. It provides host isolation with automatic speed negotiation, ensuring seamless communication between devices while maintaining high data integrity. The ADUM4166BRIZ also supports peripheral isolation, adding an extra layer of protection to the system.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD1, VDD2 | 3.0 | 3.3 | 3.6 | V | |
| VBUS Voltage | VBUS1, VBUS2 | 4.5 | 5.5 | V | ||
| Operating Temperature | TA | -55 | 125 | °C | ||
| Isolation Voltage | 5700 | Vrms | ||||
| Supply Current (Idle, Low/Full Speed) | IDD1(LFI), IDD2(LFI) | 21 | 27 | mA | ||
| Supply Current (Idle, High Speed) | IDD1(HI), IDD2(HI) | 48 | 60 | mA | ||
| Input Logic High Threshold | VIH | 2.0 | V | |||
| Input Logic Low Threshold | VIL | 0.8 | V | |||
| Input Hysteresis | VHYS | 0.4 | V | |||
| High Speed Input Differential Threshold | VTH | 0.09 | V | |||
| Low and Full Speed Differential Input Sensitivity | VDI | 0.2 | V |
Key Features
- Fully automatic bus configuration
- High-speed data retiming for optimal performance
- Robust power management and low standby current
- Flexible input options for easy integration
- Low-power design for extended battery life
- Silent error detection and correction
- Bidirectional USB isolator for upstream or downstream ports
- Redriving and high speed data retiming for input jitter removal and an open eye
- Flexible clock input options, including clock or crystal input on the downstream side
Applications
- USB peripheral, USB host, and USB hub isolation
- Electronic test and measurement equipment
- Medical devices and integrated PCs
- Industrial PCs and isolated USB ports for debug or upgrade
- USB isolator modules and USB cable isolators
Q & A
- What is the primary function of the ADUM4166BRIZ?
The ADUM4166BRIZ is a USB 2.0 port isolator that provides electrical isolation between USB devices while maintaining data integrity and supporting all USB 2.0 data rates.
- What are the supported USB data rates for the ADUM4166BRIZ?
The device supports low (1.5 Mbps), full (12 Mbps), and high (480 Mbps) USB data rates.
- What is the isolation voltage of the ADUM4166BRIZ?
The isolation voltage is up to 5.7 kV RMS.
- What is the operating temperature range of the ADUM4166BRIZ?
The device operates over an extended industrial temperature range of -55°C to +125°C.
- What package type is the ADUM4166BRIZ available in?
The device is available in a 20-lead, wide-body SOIC package.
- Does the ADUM4166BRIZ support low-power modes?
Yes, it supports low-power standby modes for both upstream and downstream sides, meeting USB 2.0 requirements for suspended operation.
- What are some typical applications for the ADUM4166BRIZ?
Typical applications include USB peripheral, USB host, and USB hub isolation, as well as use in electronic test and measurement equipment, medical devices, and industrial PCs.
- How does the ADUM4166BRIZ manage power?
The device features robust power management with low standby current, supporting applications with limited available power such as battery-operated peripherals.
- Does the ADUM4166BRIZ have any error detection features?
Yes, it includes silent error detection and correction mechanisms.
- What are the input and output voltage levels for the ADUM4166BRIZ?
The input logic high threshold is 2.0 V, and the input logic low threshold is 0.8 V. Output voltages are relative to the respective supply voltages.
