Overview
The ADuM4151BRIZ is a 7-channel digital isolator from Analog Devices Inc., designed for isolated serial peripheral interfaces (SPIs). This device is part of the ADuM4151/ADuM4152/ADuM4153 series and utilizes Analog Devices' iCoupler® chip scale transformer technology. It supports high-speed SPI communication with clock rates up to 17 MHz, making it suitable for various high-speed applications. The ADuM4151BRIZ offers high levels of isolation, low propagation delay, and minimal jitter, ensuring reliable and efficient data transfer.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of Channels | Number of isolation channels | 7 |
| Package/Case | Package type | SOIC-20 |
| Data Rate | Maximum data rate | 250 kbps, 34 Mbps |
| Isolation Voltage | Maximum isolation voltage | 5000 Vrms |
| Isolation Type | Type of isolation | Magnetic Coupling |
| Minimum Operating Temperature | Minimum operating temperature | -40°C |
| Maximum Operating Temperature | Maximum operating temperature | +125°C |
| Protocol Supported | Supported protocol | SPI |
| Propagation Delay | Typical propagation delay | 14 ns |
| Jitter | Typical jitter | 1 ns |
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
- 20-lead SOIC package with 8.3 mm creepage
- 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, VDE certificate of conformity, and more
- High levels of isolation with a maximum working insulation voltage (VIORM) of 849 V peak
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor isolation
Q & A
- What is the maximum SPI clock speed supported by the ADuM4151BRIZ?
The ADuM4151BRIZ supports up to 17 MHz SPI clock speed.
- What is the typical propagation delay of the ADuM4151BRIZ?
The typical propagation delay is 14 ns.
- What is the maximum operating temperature of the ADuM4151BRIZ?
The maximum operating temperature is +125°C.
- What type of isolation does the ADuM4151BRIZ use?
The ADuM4151BRIZ uses magnetic coupling for isolation.
- What are the safety and regulatory approvals for the ADuM4151BRIZ?
The device has UL recognition per UL 1577, CSA certification, VDE certificate of conformity, and other regulatory approvals.
- What is the maximum working insulation voltage (VIORM) of the ADuM4151BRIZ?
The maximum working insulation voltage (VIORM) is 849 V peak.
- What is the package type of the ADuM4151BRIZ?
The package type is SOIC-20.
- What are the typical applications of the ADuM4151BRIZ?
Typical applications include industrial programmable logic controllers (PLCs) and sensor isolation.
- What is the minimum operating temperature of the ADuM4151BRIZ?
The minimum operating temperature is -40°C.
- What is the jitter of the ADuM4151BRIZ?
The typical jitter is 1 ns.
