Overview
The ADUM4151ARIZ is a 7-channel SPIsolator digital isolator produced by Analog Devices Inc. This component is optimized for isolated serial peripheral interfaces (SPIs) and is based on Analog Devices' iCoupler® chip scale transformer technology. It supports high-speed SPI clock rates of up to 17 MHz, making it suitable for various high-performance applications requiring reliable and isolated data transmission.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 7 | - | - |
| Maximum SPI Clock Speed | 17 MHz | - | - |
| Propagation Delay (tPHL, tPLH) | 27 ns (typ), 30 ns (max) | ns | 50% input to 50% output |
| Jitter (High Speed) | 1 ns | ns | - |
| Data Rate (Fast) | 2 Mbps | Mbps | - |
| Data Rate (Slow) | 250 kbps | kbps | - |
| Common-Mode Transient Immunity (CMTI) | >25 kV/µs | kV/µs | - |
| Insulation Voltage (VIORM) | 849 V peak | V | - |
| Package Type | 20-lead SOIC | - | 0.295" (7.50mm) width |
| Operating Temperature | -40°C to 125°C | °C | - |
| Safety and Regulatory Approvals | UL recognition per UL 1577, CSA certification per IEC 62368-1, IEC 61010-1, and IEC 60601-1, 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
- Low jitter: 1 ns
- Codirectional channel matching: 2 ns
- Safety and regulatory approvals including UL, CSA, and VDE certifications
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor isolation
- Other applications requiring isolated serial peripheral interfaces
Q & A
- What is the maximum SPI clock speed supported by the ADUM4151ARIZ?
The ADUM4151ARIZ supports up to 17 MHz SPI clock speed. - What is the propagation delay of the ADUM4151ARIZ?
The propagation delay (tPHL, tPLH) is typically 27 ns and a maximum of 30 ns. - What is the common-mode transient immunity (CMTI) of the ADUM4151ARIZ?
The CMTI is greater than 25 kV/µs. - What are the safety and regulatory approvals for the ADUM4151ARIZ?
The component has UL recognition per UL 1577, CSA certification per IEC 62368-1, IEC 61010-1, and IEC 60601-1, and a VDE certificate of conformity. - What is the operating temperature range of the ADUM4151ARIZ?
The operating temperature range is -40°C to 125°C. - What is the package type of the ADUM4151ARIZ?
The package type is a 20-lead SOIC with a width of 0.295" (7.50mm). - What are the typical applications of the ADUM4151ARIZ?
Typical applications include industrial programmable logic controllers (PLCs) and sensor isolation. - What is the maximum working insulation voltage (VIORM) of the ADUM4151ARIZ?
The maximum working insulation voltage (VIORM) is 849 V peak. - How many data channels does the ADUM4151ARIZ have?
The ADUM4151ARIZ has four high-speed SPI signal isolation channels and three 250 kbps data channels. - What is the jitter performance of the ADUM4151ARIZ?
The jitter performance is 1 ns for high-speed channels.
