AD4110-1

RECOMMENDED FOR NEW DESIGNS

Universal Input Analog Front End with 24-Bit ADC for Industrial Process Control Systems

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • 2 software programmable input terminals
    • Current up to ±20 mA
    • Voltage up to ±10 V
    • Thermocouple
    • RTD
  • Replaces existing 3-terminal solutions
  • Field power supply for loop powered current sensors
  • HV input overvoltage protected up to ±30 V
  • Internal current sense resistor
  • Option to use external current sense resistor
  • Current limited input even with no power supply
  • Diagnostic functions for overrange and open wire detect
  • Fast and flexible output data rates: 5 SPS to 125 kSPS
    • 16 noise free bits at 62 kSPS
    • 18 noise free bits at 2.5 kSPS
    • 20 noise free bits at 50 SPS/60 SPS
  • Simultaneous 50 Hz and 60 Hz rejection
  • Serial interface for configuration and diagnostics
    • 4-wire interface compatible with SPI®, QSPI™, MICROWIRE®, and DSP
  • Power supply: ±12 V to ±20 V, +5 V
  • Operating temperature: −40°C to +105°C
  • Package: 40-lead, 6 mm × 6 mm LFCSP

The AD4110-1 is a complete, single-channel, universal input analog-to-digital front end for industrial process control systems where sensor type flexibility is required.

The high voltage input is fully software configurable for current or voltage signals and allows direct interface to all standard industrial analog signal sources such as ±20 mA, ±4 mA to ±20 mA, ±10 V, and all thermocouple types. Field power can be supplied for loop powered current output sensors. A range of excitation current sources for resistance temperature detector (RTD) sensors and other resistive sensors are included. The integrated, fully differential programmable gain amplifier (PGA) offers 16 gain settings from 0.2 to 24.

The high voltage input can be programmed to power up in either voltage mode or current mode. When programmed to current mode, the unique input circuit architecture provides a path for the loop current, even in the absence of the system module power supply.

The AD4110-1 provides internal, front-end diagnostic functions to indicate overvoltage, undervoltage, open wire, overcurrent, and overtemperature conditions. The high voltage input is thermally protected, overcurrent limited, and overvoltage protected.

The AD4110-1 incorporates a precision 24-bit, Σ-Δ, analog-todigital converter (ADC) offering conversion rates from 5 SPS to 125 kSPS with simultaneous 50 Hz and 60 Hz noise rejection.

Applications

  • Process control and industrial automation
  • Remote and distributed control systems
  • Instrumentation and measurement
  • Sensor and data acquisition
AD4110-1
Universal Input Analog Front End with 24-Bit ADC for Industrial Process Control Systems
AD4110-1 Functional Block Diagram AD4110-1 computer chip image AD4110-1 Pin Configuration AD4110-1 Typical Application Circuit Diagram
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Documentation

Data Sheet 1

User Guide 1

Application Note 1

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 2
ADP1031
PRODUCTION Three-Channel, Isolated Micropower Management Unit with Seven Digital Isolators
ADUM1401
PRODUCTION Quad-Channel Digital Isolator (3/1 Channel Directionality)
LDO Linear Regulators 1
ADP7102
RECOMMENDED FOR NEW DESIGNS 20 V, 300 mA, Low Noise, CMOS LDO
Voltage References 1
ADR4525
PRODUCTION Ultra-Low-Noise, High-Accuracy 2.5V Voltage Reference
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Tools & Simulations

IBIS Model 1

Evaluation Kits

eval board
schematic 1
schematic 2
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schematic 4
EVAL-AD4110-1

AD4110-1 Evaluation Board

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Features and Benefits

  • Full-featured evaluation board for the AD4110-1
  • PC control in conjunction with Analog Devices, Inc., SDP
  • PC software for control
    • Compatible with Windows 7, Windows 8, and Windows 10

Product Details

The EVAL-AD4110-1SDZ evaluates the features of the AD4110-1 analog front end (AFE). The software executable file of the PC controls the AD4110-1 via USB through the system demonstration platform (SDP) board. The SDP-B board controls the evaluation board and can be connected to the USB port of any PC running Windows® 7, Windows 8, or Windows 10-based operating system using the AD4110-1 evaluation software.

The AD4110-1 is a complete, single-channel, universal input, analog-to-digital front end for industrial process control systems where sensor type flexibility is required.

The high voltage input is fully software configurable for current or voltage ranges and allow direct interface to all standard industrial analog signal sources, such as ±20 mA, ±4 mA to ±20 mA, ±10 V, and all thermocouple types. Field power can be supplied for loop powered current output sensors. A range of excitation current sources for resistance temperature detector (RTD) sensors and other resistive sensors are included. The integrated programmable gain amplifier (PGA) offers sixteen gain settings from 0.2 to 24.

EVAL-AD4110-1
AD4110-1 Evaluation Board
AD4110-1 Evaluation Board AD4110-1 Evaluation Board AD4110-1 Evaluation Board EVAL-AD4110-1SDZ Image

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