Overview
The ADUM1301BRW-RL is a triple-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance compared to traditional optocouplers. By eliminating the use of LEDs and photodiodes, the ADUM1301BRW-RL avoids common issues associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. This results in stable performance characteristics and reduced power consumption, making it an efficient choice for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Channels | 3 independent channels |
| Supply Voltages (VDD1, VDD2) | 2.7 V to 5.5 V |
| Ambient Operating Temperature (TA) | -40°C to +105°C (commercial), -40°C to +125°C (automotive grade) |
| Maximum Data Rate | Up to 90 Mbps (depending on the grade) |
| Maximum Propagation Delay | 10 ns (typical) |
| Maximum Pulse Width Distortion | <2 ns (for CRW grade) |
| Package Type | 16-lead wide body SOIC |
| Storage Temperature (TST) | -65°C to +150°C |
| Common-Mode Transients | -100 kV/µs to +100 kV/µs |
Key Features
- High-speed data transfer up to 90 Mbps
- Low pulse width distortion (<2 ns for CRW grade)
- Tight channel-to-channel matching (<2 ns for CRW grade)
- Patented refresh feature ensuring dc correctness
- Low power consumption (one-tenth to one-sixth of optocouplers)
- No external drivers or discrete components required
- Voltage translation functionality across the isolation barrier
- Automotive grade versions available for high reliability applications
Applications
- Industrial I/O and control systems
- Automotive interfaces (CAN, Audio, Ethernet)
- Medical devices requiring high isolation
- Industrial automation and control systems
- Power supply and battery management systems
- Communication systems (RS-232, RS-422, RS-485)
Q & A
- What is the ADUM1301BRW-RL used for?
The ADUM1301BRW-RL is used as a triple-channel digital isolator to provide electrical isolation and data transfer between different voltage domains.
- What is the operating temperature range of the ADUM1301BRW-RL?
The operating temperature range is -40°C to +105°C for commercial grades and -40°C to +125°C for automotive grades.
- What are the supply voltage ranges for the ADUM1301BRW-RL?
The supply voltage ranges are 2.7 V to 5.5 V for both VDD1 and VDD2.
- What is the maximum data rate supported by the ADUM1301BRW-RL?
The maximum data rate supported is up to 90 Mbps, depending on the specific grade of the component.
- Does the ADUM1301BRW-RL require external drivers or discrete components?
No, the ADUM1301BRW-RL does not require external drivers or discrete components.
- What is the package type of the ADUM1301BRW-RL?
The package type is a 16-lead wide body SOIC.
- Are there automotive-grade versions of the ADUM1301BRW-RL available?
Yes, there are automotive-grade versions (ADuM1301W) available, which are qualified for automotive applications.
- What is the common-mode transient immunity of the ADUM1301BRW-RL?
The common-mode transient immunity is -100 kV/µs to +100 kV/µs.
- How does the ADUM1301BRW-RL handle dc correctness in the absence of input logic transitions?
The ADUM1301BRW-RL features a patented refresh mechanism to ensure dc correctness even in the absence of input logic transitions.
- What are some typical applications of the ADUM1301BRW-RL?
Typical applications include industrial I/O, automotive interfaces, medical devices, and communication systems.
