DAC8740H Datasheet (Texas Instruments)

DAC8740H, low-power modems

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 required circuitry to operate as half-duplex HART physica

DAC8740H Features

* 1 HART-compliant physical layer modem

* 1200-Hz, 2200-Hz HART FSK sinusoids

* Register programmable amplitude of TX signals (DAC8741H only)

* Integrated RX demodulator and band-pass filter with minimal external components

* FOUNDATION Fieldbus compatible H1 c