Maxim MAXREFDES24 Alameda Reference Design

The Maxim MAXREFDES24 Alameda Reference Design provides programmable voltage and current outputs in a compact, galvanically isolated form factor. Alameda provides a debugged and ready-to-go circuit for programmable logic controllers (PLCs) and other industrial applications that require precision voltage and current control.

The reference design is based on the MAX5134, a four-channel, rail‑to‑rail digital‑to‑analog converter (DAC). The four analog channels are sent to the inputs of four Maxim MAX15500 signal conditioners, which can produce either precision current outputs of up to ±24 mA, or voltage outputs of up to ±12 V, for each output channel. The outputs are protected against overcurrent conditions, ground shorts or power supply shorts.

Maxim provides all necessary materials for developers to integrate the design into their own system, including full schematics, PCB layout and Gerber files, and PCD CAD files. Flexible power‑up options make the design suitable for industrial control systems in harsh environments, as well as PLCs, embedded systems, industrial control and automation, and industrial sensors.