Overview
The ADUM1301CRWZ-RL is a triple-channel digital isolator produced by Analog Devices Inc., utilizing the 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 ADUM1301CRWZ-RL avoids common design issues associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. This isolator is designed for low power operation and offers stable performance characteristics, consuming significantly less power than optocouplers at comparable data rates.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Channels | 3 |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Maximum Data Rate | 90 Mbps |
| Maximum Propagation Delay | 32 ns (at 5 V) |
| Maximum Pulse Width Distortion | 2 ns (for CRW grade) |
| Operating Temperature Range | -40°C to +105°C |
| Package Type | 16-lead wide body SOIC |
| Common-Mode Transient Immunity | >25 kV/μs |
| Certifications | UL (2500 Vrms for 1 minute per UL 1577), CSA, VDE, TUV IEC/EN/UL/CSA 61010-1 approved |
Key Features
- Low power operation, consuming one-tenth to one-sixth of the power of optocouplers at comparable data rates.
- Bidirectional communication capability.
- 3V/5V level translation across the isolation barrier.
- High temperature operation up to 125°C.
- High common-mode transient immunity of >25 kV/μs.
- Output enable function.
- Patented refresh feature ensuring dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
Applications
- General-purpose multichannel isolation.
- SPI interface/data converter isolation.
- RS-232/RS-422/RS-485 transceivers.
- Industrial field bus isolation.
- Automotive systems, including CAN, audio, and Ethernet interfaces.
- Level translators and signal line protection.
Q & A
- What is the ADUM1301CRWZ-RL used for?
The ADUM1301CRWZ-RL is used for triple-channel digital isolation, providing high-speed and low-power isolation solutions in various applications.
- What is the supply voltage range for the ADUM1301CRWZ-RL?
The supply voltage range is from 2.7 V to 5.5 V on either side of the isolator.
- What is the maximum data rate of the ADUM1301CRWZ-RL?
The maximum data rate is 90 Mbps.
- What is the operating temperature range of the ADUM1301CRWZ-RL?
The operating temperature range is -40°C to +105°C.
- What certifications does the ADUM1301CRWZ-RL have?
The ADUM1301CRWZ-RL is certified by UL (2500 Vrms for 1 minute per UL 1577), CSA, VDE, and TUV IEC/EN/UL/CSA 61010-1.
- What is the common-mode transient immunity of the ADUM1301CRWZ-RL?
The common-mode transient immunity is greater than 25 kV/μs.
- Does the ADUM1301CRWZ-RL support bidirectional communication?
- What package type is the ADUM1301CRWZ-RL available in?
The ADUM1301CRWZ-RL is available in a 16-lead wide body SOIC package.
- Is the ADUM1301CRWZ-RL suitable for automotive applications?
- What is the patented refresh feature in the ADUM1301CRWZ-RL?
The patented refresh feature ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
