Overview
The ADUM3154ARSZ-RL7 is a digital isolator produced by Analog Devices Inc., optimized for serial peripheral interface (SPI) applications. This device utilizes Analog Devices' iCoupler chip scale transformer technology to provide high-speed, low-propagation-delay SPI signal isolation. It supports up to four slave devices and is designed for applications requiring high isolation ratings and low jitter in SPI bus signals.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADUM3154ARSZ-RL7 |
| Package | 20-lead SSOP (5.30mm) |
| Isolation Rating | 3.75 kV rms for 1 minute |
| Maximum Data Rate | Up to 17 MHz SPI clock speed, 2 Mbps |
| Propagation Delay | 25 ns at 5V |
| Common-Mode Transient Immunity | >25 kV/µs |
| Operating Temperature | -40°C to +125°C |
| Voltage Supply | 3V, 5.5V |
| Certifications | UL recognition per UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity DIN V VDE V 0884-10:2006-12 |
Key Features
- Supports up to four slave devices with a slave select multiplexing system.
- High-speed, low-propagation-delay SPI signal isolation channels.
- High common-mode transient immunity of >25 kV/µs.
- Operates up to 17 MHz SPI clock speed and 2 Mbps data rate.
- 20-lead SSOP package with 5.1 mm creepage.
- High temperature operation up to 125°C.
- Safety and regulatory approvals including UL, CSA, and VDE certifications.
Applications
- Industrial programmable logic controllers (PLCs).
- Sensor isolation.
- Any application requiring high-speed SPI communication with robust isolation.
Q & A
- What is the ADUM3154ARSZ-RL7 used for?
The ADUM3154ARSZ-RL7 is used for high-speed SPI signal isolation in applications requiring robust electrical isolation.
- What is the maximum SPI clock speed supported by the ADUM3154ARSZ-RL7?
The device supports up to 17 MHz SPI clock speed.
- How many slave devices can the ADUM3154ARSZ-RL7 support?
The device can support up to four slave devices.
- What is the isolation rating of the ADUM3154ARSZ-RL7?
The isolation rating is 3.75 kV rms for 1 minute.
- What are the operating temperature ranges for the ADUM3154ARSZ-RL7?
The device operates from -40°C to +125°C.
- What certifications does the ADUM3154ARSZ-RL7 have?
The device has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity DIN V VDE V 0884-10:2006-12.
- What is the common-mode transient immunity of the ADUM3154ARSZ-RL7?
The common-mode transient immunity is >25 kV/µs.
- What package type does the ADUM3154ARSZ-RL7 come in?
The device comes in a 20-lead SSOP package.
- What are some typical applications of the ADUM3154ARSZ-RL7?
Typical applications include industrial programmable logic controllers (PLCs) and sensor isolation.
- What is the propagation delay of the ADUM3154ARSZ-RL7?
The propagation delay is 25 ns at 5V.
