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DAC8740H - low-power modems

Description

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.

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.

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Datasheet preview – DAC8740H

Datasheet Details

Part number DAC8740H
Manufacturer Texas Instruments
File Size 2.57 MB
Description low-power modems
Datasheet download datasheet DAC8740H Datasheet
Additional preview pages of the DAC8740H datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community DAC8740H, DAC8741H SBAS856D – JUNE 2017 – REVISED MAY 2019 DAC874xH HART® and FOUNDATION Fieldbus™ and PROFIBUS PA Modems 1 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 controller and medium attachment unit (MAU) – 31.25 kbit/s communication based on Manchester-coded bus powered (MBP) – Integrated Manchester encoder and decoder – Compatible with PROFIBUS PA • Low quiescent current: 180 µA max at typical industrial operating temperature range (–40°C to +85°C) • Integrated 1.
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