Description
DATA SHEET www.onsemi.com HART Modem A5191HRT .
The A5191HRT is a single.
chip, CMOS modem for use in highway
addressable remote transducer (HART) field instruments and masters.
Features
* Single
* chip, Half
* duplex 1200 Bits per Second FSK Modem
* Bell 202 Shift Frequencies of 1200 Hz and 2200 Hz
* 3.0 V
* 5.5 V Power Supply
* Transmit
* signal Wave Shaping
* Receive Band
* pass Filter
* Low Power: Optimal for Intrinsically
Applications
* Compatible with 3.3 V or 5 V Microcontroller
* Internal Oscillator Requires 460.8 kHz Crystal or Ceramic Resonator
* Meets HART Physical Layer Requirements
* Industrial Temperature Range of
* 40C to +85C
* Available in 28
* pin PLCC, 32
* pin QFN and 32