Single Supply, 24-Bit, Sigma-Delta ADC with ±10 V, 10 MΩ Inputs and Buffered Low Level Inputs

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Part Details
Part Models 2
1ku List Price Starting From $10.31
  • 24-bit ADC with integrated analog front end
    • Fast and flexible output rate: 1.25 SPS to 62.5 kSPS
    • Channel scan data rate
      • 12,422 SPS per channel (80 μs settling, sinc5 + sinc1)
      • 20,618 SPS per channel (48 μs settling, sinc3)
      • 85 dB rejection of 50 Hz and 60 Hz at 20 SPS per channel
  • ±10 V inputs, 6 differential or 11 single-ended
    • Pin absolute maximum rating: ±65 V
    • Absolute input pin voltage up to ±20 V
    • ≥10 MΩ impedance
  • Low level direct ADC input
    • ±VREF inputs, 2 differential or 4 single-ended
    • Absolute input pin voltage, AVDD to AVSS
    • True rail-to-rail analog input buffers
  • On-chip 2.5 V reference
    • ±0.12% accuracy at 25°C, ±5 ppm/°C (typical) drift
  • Internal or external clock
  • Power supplies
    • AVDD to AVSS = 4.5 V to 5.5 V
    • IOVDD to DGND = 2 V to 5.5 V
    • Total IDD (AVDD + IOVDD) = 6.15 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
Additional Details
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The AD4116 is a low power, low noise, 24-bit, Σ-Δ analog-to-digital converter (ADC) that integrates an analog front end (AFE) for six fully differential or eleven single-ended, high impedance (≥10 MΩ) bipolar, ±10 V voltage inputs. The additional two differential or four single-ended/pseudo differential direct ADC inputs provides excellent performance at lower input ranges.

The AD4116 also integrates key analog and digital signal conditioning blocks to configure eight individual setups for each analog input channel in use. As many as 16 channels can be enabled at any time. A channel is defined as any of the standard analog voltage inputs or a low level direct ADC input. The AD4116 features a maximum channel scan rate of 12,422 SPS (80 μs) using a sinc5 + sinc1 filter and 20,618 SPS per channel (48 μs) using a sinc3 filter.

The embedded 2.5 V, low drift (5 ppm/°C), band gap internal reference (with output reference buffer) reduces the external component count.

The digital filter allows flexible settings, including simultaneous 50 Hz and 60 Hz rejection at a 27.27 SPS output data rate. The user can select between the different filter settings depending on the demands of each channel in the application. The automatic channel sequencer enables the ADC to switch through each enabled channel.

The precision performance of the AD4116 is achieved by integrating the proprietary iPassives® technology from Analog Devices, Inc.

The AD4116 operates with a single power supply, making it easy to use in galvanically isolated applications. The specified operating temperature range is −40°C to +105°C. The AD4116 is housed in a 40-lead, 6 mm × 6 mm LFCSP.


  • Process control
  • PLC and DCS modules
  • Instrumentation and measurement
Part Models 2
1ku List Price Starting From $10.31

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Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

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AD4116 Evaluation Board



AD4116 Evaluation Board

AD4116 Evaluation Board

Features and Benefits

  • Full featured evaluation board for the AD4116
  • PC control in conjunction with the system demonstration platform (EVAL-SDP-CB1Z)
  • PC software for control and data analysis (time domain)
  • Standalone capability

Product Detail

The EVAL-AD4116ASDZ is a full featured evaluation board that can be used to evaluate all the features of the AD4116. The AD4116 is a 24-bit, sigma-delta analog-to-digital converter (ADC) with 6 differential/11 single-ended, high impedance (≥10 MΩ) bipolar, ±10 V voltage inputs and 2 differential/4 single-ended/pseudo differential direct ADC inputs. All channels have on-board overvoltage and overcurrent protection. The EVAL-AD4116ASDZ board includes voltage references and power and data insulation, and can be connected to the Analog Devices, Inc., EVAL-SDP-CB1Z system demonstration platform. The SDP board provides connection to a PC via a universal serial bus (USB) port and can provide power for the EVAL-AD4116ASDZ board from the PC USB port. The AD411X Eval+ evaluation software configures the AD4116 device functionality and provides dc time domain analysis in the form of waveform graphs, histograms, and associated noise analysis for ADC performance evaluation. Full specifications for the AD4116 are available in the product data sheet, which must be consulted in conjunction with the user guide when working with the this evaluation board.

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