Overview
The ADUM4154ARIZ-RL is a high-speed digital isolator from Analog Devices' iCoupler® and SPIsolator™ product families. It is designed to provide robust digital isolation for high-speed data interfaces, particularly those involving the Serial Peripheral Interface (SPI). This component is optimized for applications requiring high common-mode transient immunity and low propagation delay, making it suitable for isolating high-speed serial data interfaces like SPI.
The ADUM4154ARIZ-RL supports up to four slave devices and operates within a wide range of temperatures and voltages, enhancing its versatility in various industrial, medical, and consumer applications.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Isolation Voltage | 5000 | Vrms | For 1 minute |
| Common Mode Transient Immunity | >25 | kV/μs | |
| Data Rate | Up to 2 Mbps (Fast Mode), Up to 17 MHz (SPI Clock Speed) | ||
| Propagation Delay | 25 ns (max) for both tpLH and tpHL | ns | 50% input to 50% output |
| Pulse Width Distortion | 2 ns (max) | ns | |
| Rise/Fall Time | 2.5 ns (typical) | ns | 10% to 90% |
| Operating Voltage Range | 3V to 5.5V | V | |
| Operating Temperature Range | -40°C to +125°C | °C | |
| Package | 20-lead SOIC | ||
| Pin Count | 20 | ||
| Creepage Distance | 8.3 mm | mm |
Key Features
- Four unidirectional data channels with high common-mode transient immunity and low propagation delay.
- Supports up to 17 MHz SPI clock speed and up to four slave devices.
- Compact 20-lead SOIC package with 8.3 mm creepage distance.
- High temperature operation up to 125°C.
- Low power consumption and high reliability.
- Meets safety standards such as IEC/EN/UL 60950-1, IEC 60601-1, and UL recognition per UL 1577.
- RoHS-compliant and lead-free.
Applications
- Industrial automation and control systems.
- Medical equipment.
- Motor drives and power converters.
- Telecommunication and networking equipment.
- Consumer electronics with isolation requirements.
- Industrial programmable logic controllers (PLCs).
- Sensor isolation.
Q & A
- Q: What is the ADUM4154ARIZ-RL used for?
A: The ADUM4154ARIZ-RL is used for high-speed digital isolation, particularly in SPI interfaces, providing robust isolation for safety-critical applications.
- Q: What is the maximum SPI clock speed supported by the ADUM4154ARIZ-RL?
A: The ADUM4154ARIZ-RL supports up to 17 MHz SPI clock speed.
- Q: How many slave devices can the ADUM4154ARIZ-RL support?
A: The ADUM4154ARIZ-RL can support up to four slave devices.
- Q: What is the operating temperature range of the ADUM4154ARIZ-RL?
A: The operating temperature range is from -40°C to +125°C.
- Q: What safety standards does the ADUM4154ARIZ-RL meet?
A: The ADUM4154ARIZ-RL meets safety standards such as IEC/EN/UL 60950-1, IEC 60601-1, and UL recognition per UL 1577.
- Q: Is the ADUM4154ARIZ-RL RoHS-compliant?
A: Yes, the ADUM4154ARIZ-RL is RoHS-compliant and lead-free.
- Q: What is the package type of the ADUM4154ARIZ-RL?
A: The ADUM4154ARIZ-RL comes in a 20-lead SOIC package.
- Q: What is the creepage distance of the ADUM4154ARIZ-RL package?
A: The creepage distance is 8.3 mm.
- Q: What is the warranty period for the ADUM4154ARIZ-RL from some suppliers?
A: Some suppliers, like Ovaga, offer a 1-year warranty for the ADUM4154ARIZ-RL.
- Q: How can I ensure the authenticity of the ADUM4154ARIZ-RL?
A: Ensure you purchase from authorized distributors or suppliers that rigorously test and verify the credentials of original manufacturers and authorized agents.
