Overview
The ADuM4160BRWZ-RL, produced by Analog Devices Inc., is a USB port isolator that utilizes iCoupler technology, combining high-speed CMOS and monolithic air core transformer technology. This device is designed to provide isolated control of USB peripherals, ensuring high performance and reliability. It supports both low and full speed USB data rates of 1.5 Mbps and 12 Mbps, respectively. The ADuM4160 is compatible with USB 2.0 standards and operates within a bus voltage range of 4.5 V to 5.5 V, allowing direct connection to VBUS with internal voltage regulation. The device features low idle current, eliminating the need for a suspend mode, and provides isolated control of the pull-up resistor for precise connection timing.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Rated Dielectric Insulation Voltage | V_IORM | 5000 | V rms | 1 minute duration | ||
| Ambient Operating Temperature | T_A | -40 | 105 | °C | ||
| Supply Voltages (VBUS1, VBUS2, VDD1, VDD2) | VBUS, VDD | -0.5 | 6.5 | V | ||
| Upstream Input Voltage (VUD+, VUD-) | VUD+ | -0.5 | VDD1 + 0.5 | V | ||
| Downstream Input Voltage (VDD+, VDD-) | VDD+ | -0.5 | VDD2 + 0.5 | V | ||
| Full Speed Differential Jitter, Next Transition | tFJN | 3 | ns | CL = 50 pF | ||
| Full Speed Differential Jitter, Paired Transition | tFJP | 1 | ns | CL = 50 pF | ||
| Common-Mode Transient Immunity At Logic High Output | |CMH| | 25 | 35 | kV/μs | VUD+, VUD-, VDD+, VDD- = VDD1 or VDD2, VCM = 1000 V, transient magnitude = 800 V | |
| Common-Mode Transient Immunity At Logic Low Output | |CML| | 25 | 35 | kV/μs | VUD+, VUD-, VDD+, VDD- = 0 V, 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).
- Isolated control of the pull-up resistor to allow the peripheral to control connection timing.
- Low idle current, eliminating the need for a suspend mode.
- Internal voltage regulation to signaling level, allowing direct connection to VBUS.
- High common-mode transient immunity (25 kV/μs to 35 kV/μs).
- Rated dielectric insulation voltage of 5000 V rms for 1 minute duration.
- Operating temperature range from -40°C to +105°C).
Applications
- USB peripheral isolation.
- Isolated USB hubs).
- Medical applications requiring high isolation and reliability).
- Industrial I/O and other applications where electrical isolation is critical).
Q & A
- What is the ADuM4160BRWZ-RL used for?
The ADuM4160BRWZ-RL is used for isolated control of USB peripherals, ensuring high-speed data transfer while maintaining electrical isolation between the peripheral and the host.
- What are the supported USB data rates for the ADuM4160BRWZ-RL?
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-RL?
The operating temperature range is from -40°C to +105°C.
- Does the ADuM4160BRWZ-RL require a suspend mode?
No, the device has a low idle current, eliminating the need for a suspend mode.
- What is the rated dielectric insulation voltage of the ADuM4160BRWZ-RL?
The rated dielectric insulation voltage is 5000 V rms for 1 minute duration.
- What are some common applications of the ADuM4160BRWZ-RL?
Common applications include USB peripheral isolation, isolated USB hubs, and medical applications requiring high isolation and reliability.
- What is the package type of the ADuM4160BRWZ-RL?
The device is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package.
- Does the ADuM4160BRWZ-RL support internal voltage regulation?
Yes, the device internally regulates the voltage to the signaling level, allowing direct connection to VBUS.
- What is the common-mode transient immunity of the ADuM4160BRWZ-RL?
The common-mode transient immunity is 25 kV/μs to 35 kV/μs.
- Is the ADuM4160BRWZ-RL compliant with RoHS regulations?
Yes, the device is compliant with RoHS regulations (2011/65/EU, 2015/863).
