AD4111

RECOMMENDED FOR NEW DESIGNS

Single Supply, 24-Bit, Sigma-Delta ADC with ±10 V and 0 mA to 20 mA Inputs, Open Wire Detection

Part Models
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Part Details

  • Tested for robustness per: IEC6100-4-2, IEC6100-4-3, IEC6100-4-4, IEC6100-4-5, IEC6100-4-6, CISPR 11
  • 24-bit ADC with integrated analog front end
    • Fast and flexible output rate: 1.25 SPS to 31.25 kSPS
    • Channel scan data rate of 6.21 kSPS per channel (161 μs settling)
    • 16 noise free bits at 1 kSPS per channel
    • 85 dB rejection of 50 Hz and 60 Hz at 20 SPS per channel
  • ±10 V inputs, 4 differential or 8 single-ended
    • Pin absolute maximum rating ±50 V
    • Absolute input pin voltage up to ±20 V
    • ≥1 MΩ impedance
    • ±0.06% accuracy at 25°C
    • Open wire detection
  • 0 mA to 20 mA inputs, 4 single-ended
    • Pin absolute maximum rating ±50 mA
    • Input range from −0.5 mA to +24 mA
    • 60 Ω impedance
    • ±0.08% accuracy at 25°C
  • On-chip 2.5 V reference
    • ±0.12% accuracy at 25°C, ±5 ppm/°C (typical) drift
  • Internal or external clock
  • Power supplies
    • AVDD = 3.0 V to 5.5 V
    • IOVDD = 2 V to 5.5 V
    • Total IDD = 3.9 mA
  • Temperature range: −40°C to +105°C
  • 3-wire or 4-wire serial digital interface (Schmitt trigger on SCLK)
    • SPI, QSPI, MICROWIRE, and DSP compatible
AD4111
Single Supply, 24-Bit, Sigma-Delta ADC with ±10 V and 0 mA to 20 mA Inputs, Open Wire Detection
AD4111 Functional Block Diagram AD4111 PIn Configuration
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Software Resources


Tools & Simulations


Evaluation Kits

eval board
EVAL-AD4111

AD4111 Evaluation Board

Features and Benefits

  • Fully featured evaluation board for the AD4111
  • PC control in conjunction with Analog Devices, Inc., SDP-B system demonstration platform (EVAL-SDP-CB1Z)
  • PC software for control and data analysis (time domain)

Product Details

The EVAL-AD4111SDZ evaluation kit features the AD4111 24-bit, 31.25 kSPS analog-to-digital converter (ADC) with a ±10 V input voltage range (4 single-ended or 8 differential channels) with open wire detection and 4 current channels operating from 0 mA to 20 mA. All channels have on-board overvoltage and overcurrent protection.

The EVAL-AD4111SDZ board includes voltage reference, power, and data insulation and can be connected to the Analog Devices, Inc., SDP-B system demonstration platform (EVAL-SDP-CB1Z). The SDP-B board provides connection to a PC via USB port and can provide power for the EVAL-AD4111SDZ board from the PC USB port.

The AD411X Eval+ evaluation software configures the AD4111 device functionality and provides open wire detection, dc time domain analysis in the form of waveform graphs, histograms, and associated noise analysis for ADC performance evaluation.

Full specifications for the AD4111 are available in the product data sheet, which must be consulted in conjunction with the user guide when working with this evaluation board.

EVAL-AD4111
AD4111 Evaluation Board
EVAL-AD4111SDZANGLE EVAL-AD4111SDZBOTTOM EVAL-AD4111SDZTOP

Reference Designs

PLC/DCS Quad-Channel Voltage and Current Input Front End
CN0414 Circuits from the lab

Quad Channel Analog Input with Open Wire Detection and HART Compatibility for PLC/DCS Applications

Features and Benefits

  • 4-Channels
  • +/- 10V , 4-20mA inputs
  • HART Compatible
  • Integrated Open Wire Detection
CN0414
Quad Channel Analog Input with Open Wire Detection and HART Compatibility for PLC/DCS Applications
PLC/DCS Quad-Channel Voltage and Current Input Front End
EVAL-CN0414-ARDZ
EVAL-CN0414-ARDZ - Top View
EVAL-CN0414-ARDZ - Bottom View
Test Setup Functional Block Diagram

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