Overview
The ADuM3160BRWZ, 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 performance. It is designed to facilitate bidirectional communication at low and full speed data rates of 1.5 Mbps and 12 Mbps, respectively, making it compatible with USB 2.0 standards. The ADuM3160 is particularly useful in applications where isolation is required between the upstream and downstream USB ports, ensuring simplicity, efficient power management, and robust operation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Operating Temperature | TA | -40 | 105 | °C | ||
| Supply Voltages | VBUS1, VBUS2 | 3.0 | 5.5 | V | ||
| Output Rise/Fall Time (10% to 90%), Full Speed | tRF, tFF | 4 | 20 | ns | CL = 50 pF, SPD = SPU = high, VDD1, VDD2 = 3.3 V | |
| Full Speed Differential Jitter, Next Transition | |tHJN| | 3 | ns | CL = 50 pF | ||
| Full Speed Differential Jitter, Paired Transition | |tHJP| | 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 |
Key Features
- USB 2.0 Compatibility: Supports low and full speed data rates of 1.5 Mbps and 12 Mbps, respectively.
- Bidirectional Communication: Enables transparent, bidirectional data transfer between isolated sides.
- iCoupler Technology: Combines high-speed CMOS and monolithic air core transformer technology for robust isolation.
- Low Idle Current: Does not require a suspend state due to low idle current consumption.
- Isolated Control of Pull-Up Resistor: Allows the peripheral to control connection timing.
- High Common-Mode Transient Immunity: Provides immunity to common-mode transients up to 35 kV/µs.
Applications
- Industrial Automation: Used in industrial control systems where isolation is crucial for safety and reliability.
- Medical Devices: Suitable for medical equipment requiring isolation to ensure patient safety.
- Automotive Systems: Applied in automotive electronics for isolated communication between different subsystems.
- Consumer Electronics: Used in various consumer devices that require isolated USB interfaces).
Q & A
- What is the ADuM3160BRWZ used for?
The ADuM3160BRWZ is a USB port isolator used to provide electrical isolation between the upstream and downstream USB ports while maintaining bidirectional communication.
- What are the supported data rates of the ADuM3160BRWZ?
The ADuM3160BRWZ supports low and full speed data rates of 1.5 Mbps and 12 Mbps, respectively.
- What technology does the ADuM3160BRWZ use for isolation?
The ADuM3160BRWZ uses Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology.
- What is the operating temperature range of the ADuM3160BRWZ?
The operating temperature range of the ADuM3160BRWZ is from -40°C to +105°C.
- Does the ADuM3160BRWZ require a suspend state?
No, the ADuM3160BRWZ does not require a suspend state due to its low idle current consumption.
- What is the common-mode transient immunity of the ADuM3160BRWZ?
The ADuM3160BRWZ has a common-mode transient immunity of up to 35 kV/µs.
- Can the ADuM3160BRWZ be used in medical devices?
- What are the supply voltage ranges for the ADuM3160BRWZ?
The supply voltage ranges for the ADuM3160BRWZ are from 3.0 V to 5.5 V.
- Does the ADuM3160BRWZ support isolated control of the pull-up resistor?
- What is the propagation delay of the ADuM3160BRWZ?
The propagation delay of the ADuM3160BRWZ is comparable to that of a standard hub and cable.
