Overview
The ADUM4151BRIZ-RL, produced by Analog Devices Inc., is a 7-channel digital isolator optimized for isolated serial peripheral interfaces (SPIs). This device is part of the iCoupler® and SPIsolator™ series, leveraging Analog Devices' chip scale transformer technology to provide high-speed and low-propagation delay SPI signal isolation. It is designed to support SPI clock rates up to 17 MHz, making it suitable for various high-speed applications requiring reliable and isolated data transfer.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 7 | - | - |
| Maximum SPI Clock Speed | 17 MHz | - | - |
| Propagation Delay (tPHL, tPLH) | 14 ns | ns | 50% input to 50% output |
| Jitter (High Speed) | 1 ns | ns | - |
| Data Rate (Fast) | 34 Mbps | Mbps | MO, SO channels |
| Data Rate (Slow) | 250 kbps | kbps | Other data channels |
| Package Type | 20-lead SOIC | - | - |
| Creepage Distance | 8.3 mm | mm | - |
| Maximum Working Insulation Voltage (VIORM) | 849 V peak | V | - |
| 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
- Safety and regulatory approvals including UL recognition per UL 1577, CSA certification, and VDE certificate of conformity
- Maximum working insulation voltage (VIORM): 849 V peak
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor isolation
- Any application requiring isolated serial peripheral interfaces (SPIs)
Q & A
- What is the maximum SPI clock speed supported by the ADUM4151BRIZ-RL?
The ADUM4151BRIZ-RL supports up to 17 MHz SPI clock speed. - How many channels does the ADUM4151BRIZ-RL have?
The device has 7 channels. - What is the propagation delay of the high-speed channels?
The propagation delay is 14 ns for the high-speed channels. - What is the maximum operating temperature of the ADUM4151BRIZ-RL?
The maximum operating temperature is 125°C. - What are the safety and regulatory approvals for this device?
The device has UL recognition per UL 1577, CSA certification, and VDE certificate of conformity. - What is the maximum working insulation voltage (VIORM) of the ADUM4151BRIZ-RL?
The maximum working insulation voltage (VIORM) is 849 V peak. - What type of package does the ADUM4151BRIZ-RL come in?
The device comes in a 20-lead SOIC package. - What is the creepage distance of the ADUM4151BRIZ-RL?
The creepage distance is 8.3 mm. - What are some common applications for the ADUM4151BRIZ-RL?
Common applications include industrial programmable logic controllers (PLCs) and sensor isolation. - What is the jitter of the high-speed channels?
The jitter of the high-speed channels is 1 ns.
