*1 HART-compliant physical layer modem
  – 1200-Hz, 2200-Hz HART FSK sinusoids
  – Register programmable amplitude of TX signals (DAC8741H.

* Industrial process control and automation
* PLC or DCS I/O modules
* Field and sensor transmitters 3 Desc.

The DAC8740H and DAC8741H (DAC874xH) are HART®, FOUNDATION Fieldbus™, and PROFIBUS PA compatible low-power modems designed for industrial process control and industrial-automation applications. In HART mode, the DAC874xH integrates all of the require.

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