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Converter features simultaneous voltage, current outputs

Posted: 08 May 2014  Print Version  Bookmark and Share

Keywords:DAC  converter  Texas Instruments 

Texas Instruments has unveiled a series of digital-to-analogue converters (DACs) that provides what is claimed as the industry's first simultaneous voltage and current outputs, giving design engineers the option to use either one or both outputs.

The DAC8760 is a fully integrated 16bit DACs designed to meet the requirements of process-control applications. The devices can be programmed as a current output with a range of 4mA to 20mA, or as a voltage output with a range as follows: 0V to 5V, 0V to 10V, ±5, or ±10. Both can be simultaneously enabled while being controlled by a single data register.

TI DAC8760

Block diagram of TI's DAC8760.

The devices include a power-on-reset function to allow powering up in a known state. The CLR and CLR-SEL pins set the voltage outputs to zero-scale or midscale, and the current output to the low end of the range if the output is enabled.

The devices also supports temperatures ranging from -40°C to 125°C, which is said to be 32 per cent wider than similar DACs. In addition, a range of support tools for the devices including reference designs, simulation models and hardware evaluation modules can be downloaded from the company's website.

Learn about designing for industrial control applications with 4-20mA precision DACs.





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