Spring 2014
New Products

Micropower, Dual-Channel Digital Isolators

The ADuM124x can be powered by as little as 1 μW of power, delivering power levels over 1000 times lower than optocouplers and competing digital isolators.

Ultralow power operation
3.75 kV rms
Up to 2 Mbps data rate (NRZ)
Bidirectional communication
Multiple channel configurations available
Default high and default low options available
High temperature operation: 125°C
Quad-channel products also available

The ADuM124x is production released with samples available.

3 kV rms and 5 kV rms Isolated Precision Half Bridge Drivers, 4 A Output for Automotive

These isolation components provide outstanding performance characteristics superior to the alternatives, such as the combination of pulse transformers and gate drivers.

Working voltage high-side or low-side relative
to input: 565 V peak
High frequency operation: 1 MHz maximum
3.3 V to 5 V CMOS input logic
4.5 V to 18 V output driver
No thermal shutdown
High common-mode transient immunity:
> 25 kV/μs
Default low output
High junction temperature operation: 125°C

The ADuM3224 is production released with samples available.
The ADuM4224 is production released with samples available.
CN0326: Isolated, Low Power pH Monitor with Temperature Compensation

This circuit supports a wide variety of pH sensors that have very high internal resistance that can range from 1 MΩ to several GΩ, and digital signal and power isolation provides immunity to noise and transient voltages often encountered in harsh industrial environments.
Read this circuit note and download the design files.
Featured Technical Article

Making Isolation Safety Standards Work for You
Featured Selection Guide
Digital Isolator Product Selection and Resource Guide
Featured Application Note
Component Footprints and Symbols in the Binary (.Bxl) File Format