AD5700 PDF Datasheet
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Description
This is Low Power HART Modem.
Data Sheet
FEATURES
HART-compliant fully integrated FSK modem 1200 H- and 2200 H- sinusoidal shift frequencies 115 μA maximum supply current in receive mode Suitable for intrinsically safe applications Integrated receive band-pass filter Minimal external components required Clocking optimized for various system configurations Ultralow power crystal oscillator (60 μA maximum) External CMOS clock source Precision internal oscillator (AD5700-1 only) Buffered HART output extra drive capability 8 kV HBM ESD rating 2 V to 5.5 V power supply 1.71 V to 5.5 V interface 40°C to +125°C operation 4 mm × 4 mm LFCSP package HART physical layer compliant UART interface
Low Power HART Modem AD5700, AD5700-1
GENERAL DESCRIPTION
The AD5700, AD5700-1 are single-chip solutions, designed and specified to operate as a HART® FSK half-duplex modem, complying with the HART physical layer requirements. The AD5700, AD5700-1 integrate all of the necessary filtering, signal detection, modulatin.