AD5700

PRODUCTION

Low Power HART Modem

Part Models
3
1ku List Price
Starting From $4.61
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Part Details

  • HART-compliant fully integrated FSK modem
  • 1200 Hz and 2200 Hz 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
  • Buffered HART output—extra drive capability
  • 8 kV HBM ESD rating
  • 1.71 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
AD5700
Low Power HART Modem
AD5700 Functional Block Diagram AD5700-AD5700-1 Pin Configuration
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Hardware Ecosystem

Parts Product Life Cycle Description
4-20mA Current Loop D/A Converters 6
AD5421 PRODUCTION 16-Bit, Serial Input, Loop-Powered, 4mA to 20mA DAC
AD5755-1 PRODUCTION

Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA and Voltage Output DAC, Dynamic Power Control, HART Connectivity

AD5412 PRODUCTION Single Channel, 12-Bit, Current Source & Voltage Output DAC, HART Connectivity
AD5422 PRODUCTION Single Channel, 16-Bit, Current Source & Voltage Output DAC, HART Connectivity
AD5410 PRODUCTION

Single-Channel, 12-/16-Bit, Serial Input, 4 mA to 20 mA, Current Source DAC, HART Connectivity

AD5420 PRODUCTION

Single-Channel, 12-/16-Bit, Serial Input, 4 mA to 20 mA, Current Source DAC, HART Connectivity

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Tools & Simulations


Evaluation Kits

eval board
EVAL-AD5700

AD5700/AD5700-1 Evaluation Board

Product Details

Both the AD5700 and the AD5700-1 products can be evaluated using the EVAL-AD5700-1EBZ Evaluation board. If evaluating the AD5700 product, simply disable the internal oscillator (i.e. configure the part to use either a CMOS clock or a crystal oscillator). No SDP board is required for this Evaluation board.

EVAL-AD5700
AD5700/AD5700-1 Evaluation Board
AD5700 Evaluation Board AD5700 Evaluation Board - Top View AD5700 Evaluation Board - Bottom View

Reference Designs

4 mA to 20 mA, Loop Powered Field Instrument
CN0267 Circuits from the lab

Complete 4 mA to 20 mA Loop Powered Field Instrument with HART Interface

Features and Benefits

  • Complete 4mA to 20mA loop powered field instrument
  • HART compliant interface
  • Registered by HART Communication Foundation (HFC)
  • Low power, small footprint
4 mA to 20 mA, Loop Powered Field Instrument with HART Interface
CN0382 Circuits from the lab

Isolated 4 mA to 20 mA/HART Temperature and Pressure Industrial Transmitter Using a Low Power, Precision, 24-Bit, Sigma-Delta ADC

Features and Benefits

  • Isolated 4-20mA Field Instrument
  • HART Transmitter
  • Loop Powered
  • Temperature and Pressure Inputs
CN0270
Complete 4 mA to 20 mA HART Solution
AD5420 HART-Enabled Circuit Simplified Schematic
CN0267
Complete 4 mA to 20 mA Loop Powered Field Instrument with HART Interface
4 mA to 20 mA, Loop Powered Field Instrument
CN0382
Isolated 4 mA to 20 mA/HART Temperature and Pressure Industrial Transmitter Using a Low Power, Precision, 24-Bit, Sigma-Delta ADC
4 mA to 20 mA, Loop Powered Field Instrument with HART Interface
DEMO-AD7124-DZ Printed Circuit Board

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