Overview
The ADuM4160BRWZ, produced by Analog Devices Inc., is a USB port isolator that leverages the company's iCoupler® technology. This device combines high-speed CMOS and monolithic air core transformer technology to provide robust isolation and reliable communication between USB peripherals and hosts. It is designed to support both low and full speed USB data rates of 1.5 Mbps and 12 Mbps, respectively, ensuring compatibility with a wide range of USB devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Ambient Operating Temperature (TA) | -40°C | 105°C | |||
| Supply Voltages (VBUS1, VBUS2, VDD1, VDD2) | -0.5 V | 6.5 V | |||
| Upstream Input Voltage (VUD+, VUD-) | -0.5 V | VDD1 + 0.5 V | |||
| Downstream Input Voltage (VDD+, VDD-) | -0.5 V | VDD2 + 0.5 V | |||
| Low Speed Data Rate | 1.5 Mbps | CL = 50 pF | |||
| Full Speed Data Rate | 12 Mbps | CL = 50 pF | |||
| Propagation Delay (tPHLL, tPLHL) | 325 ns | CL = 50 pF, SPD = SPU = low, VDD1, VDD2 = 3.3 V | |||
| Common-Mode Transient Immunity | 25 kV/μs | 35 kV/μs | VCM = 1000 V, transient magnitude = 800 V |
Key Features
- USB 2.0 compatible with support for low and full speed data rates (1.5 Mbps and 12 Mbps)
- Bidirectional communication
- Isolated control of the pull-up resistor for connection timing control
- Low idle current, eliminating the need for a suspend mode
- High common-mode transient immunity (up to 35 kV/μs)
- Operating bus voltage range from 4.5 V to 5.5 V
- Internal voltage regulation to signaling level
Applications
- USB peripheral isolation
- Isolated USB hubs
- Medical applications requiring high isolation and reliability
Q & A
- What is the ADuM4160BRWZ used for? The ADuM4160BRWZ is used as a USB port isolator to provide electrical isolation between USB peripherals and hosts.
- What are the supported USB data rates? The device supports both low speed (1.5 Mbps) and full speed (12 Mbps) USB data rates.
- What is the operating temperature range of the ADuM4160BRWZ? The operating temperature range is from -40°C to 105°C.
- What is the common-mode transient immunity of the ADuM4160BRWZ? The common-mode transient immunity is up to 35 kV/μs.
- Does the ADuM4160BRWZ require a suspend mode? No, it does not require a suspend mode due to its low idle current.
- What are some typical applications of the ADuM4160BRWZ? Typical applications include USB peripheral isolation, isolated USB hubs, and medical applications.
- How does the ADuM4160BRWZ regulate voltage? The device internally regulates the voltage to the signaling level, allowing it to operate with bus voltages ranging from 4.5 V to 5.5 V.
- What is the significance of iCoupler technology in the ADuM4160BRWZ? iCoupler technology combines high-speed CMOS and monolithic air core transformer technology to provide robust isolation and reliable communication.
- Can the ADuM4160BRWZ be used in medical applications? Yes, it is suitable for medical applications due to its high isolation and reliability features.
- What are the supply voltage limits for the ADuM4160BRWZ? The supply voltages (VBUS1, VBUS2, VDD1, VDD2) should be within the range of -0.5 V to 6.5 V.
