Overview
The ADuM4151ARIZ-RL, produced by Analog Devices Inc., is a 7-channel SPIsolator digital isolator designed to optimize isolated serial peripheral interfaces (SPIs). This component leverages Analog Devices' iCoupler® chip scale transformer technology to provide high-speed and low-propagation-delay signal isolation. It is particularly suited for applications requiring reliable and high-speed data transfer across isolation barriers.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 7 | - | - |
| Maximum SPI Clock Speed | 17 MHz | - | - |
| Propagation Delay | 14 ns (typical) | ns | 50% input to 50% output |
| Jitter, High Speed | 1 ns (typical) | ns | - |
| Data Rate (Fast) | 34 Mbps (typical) | Mbps | MO, SO channels |
| Data Rate (Slow) | 250 kbps (typical) | kbps | MSS channels |
| Isolation Voltage (VIORM) | 849 V peak | V | Maximum working insulation voltage |
| Package Type | 20-lead SOIC | - | 8.3 mm creepage |
| Operating Temperature | -40°C to 125°C | °C | - |
| Safety and Regulatory Approvals | UL recognition per UL 1577, CSA certification, VDE certificate of conformity | - | - |
Key Features
- Supports up to 17 MHz SPI clock speed
- Four high-speed, low-propagation-delay SPI signal isolation channels
- Three 250 kbps data channels
- High temperature operation: up to 125°C
- High common-mode transient immunity: >25 kV/µs
- 20-lead SOIC package with 8.3 mm creepage
- Safety and regulatory approvals including UL, CSA, and VDE certifications
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor isolation
- Any application requiring high-speed and reliable isolated serial peripheral interfaces (SPIs)
Q & A
- What is the maximum SPI clock speed supported by the ADuM4151ARIZ-RL?
The ADuM4151ARIZ-RL supports up to 17 MHz SPI clock speed. - What is the typical propagation delay of the high-speed channels?
The typical propagation delay is 14 ns. - What is the maximum working insulation voltage (VIORM) of the ADuM4151ARIZ-RL?
The maximum working insulation voltage (VIORM) is 849 V peak. - What are the safety and regulatory approvals for this component?
The component has UL recognition per UL 1577, CSA certification, and VDE certificate of conformity. - What is the operating temperature range of the ADuM4151ARIZ-RL?
The operating temperature range is -40°C to 125°C. - What type of package does the ADuM4151ARIZ-RL come in?
The component comes in a 20-lead SOIC package with 8.3 mm creepage. - What are some typical applications for the ADuM4151ARIZ-RL?
Typical applications include industrial programmable logic controllers (PLCs) and sensor isolation. - How many data channels does the ADuM4151ARIZ-RL have, and what are their data rates?
The component has four high-speed channels and three slow data channels with a rate of 250 kbps. - What is the common-mode transient immunity of the ADuM4151ARIZ-RL?
The common-mode transient immunity is greater than 25 kV/µs. - Is the ADuM4151ARIZ-RL suitable for high-temperature environments?
Yes, it is suitable for high-temperature environments up to 125°C.
