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Interface ICs provide complete electronic interface circuit functions in a single chip which increases reliability while providing significant savings in design effort, design size and cost. Interface devices control and manage signal communications between diverse electronic systems. Our wide selection of interface ICs enable robust, reliable and efficient communications which simplify design while providing the highest levels of signal isolation and protection. Our market-leading transceivers, IO-Link devices, USB, high-speed serial link and digital I/O interface devices support a broad variety of applications, including industrial, automotive, mobile and portable devices.

IO Link Transceivers

IO-Link® is a 3-wire industrial communications standard designed for linking sensors and actuato...

Controllers/Expanders

Maxim's controllers provide protocol conversion and port expansion for popular serial communicat...

Level Translators

Level translators provide an interface between components that operate at different voltage leve...

Industrial Digital IO

Our industrial digital and analog I/O IC portfolio provides the highest levels of robustness on ...

Isolation

Isolation ICs provide complete galvanic isolation between two power domains to protect circuits ...

High-Speed Signaling

Our high-speed differential signaling ICs support many standards, including CMOS, LCDS and TTL.

Universal Serial Bus

Our USB products provide solutions ranging from USB signaling to USB power management.

Signal Line Protection ICs

Signal line protection circuits significantly increase survivability by clamping over-voltage ev...

Signal Integrity

Maxim's portfolio of signal integrity solutions provides protocol-specific redrivers and equaliz...

Current Loop Products 4-20ma

Maxim provides a wide range of products designed for implementing and protecting 4-20mA communic...

Broadband Switches

Maxim's broadband switch portfolio offers protocol-specific solutions for high-speed (> 500MHz) ...

Sensor Interface

Sensor interface ICs connect directly to a sensor element and provide the needed signal conditio...

Featured Videos


Heat Map Comparison of IO-Link Device Transceivers
1:03 November 15, 2016


Micro PLC Universal Analog Input Card
5:37 December 04, 2015


What is IO-Link?
4:58 April 23, 2015

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Featured Products

MAX16984A Automotive High-Current Step-Down Converter with USB Protection/Host Charger Adapter Emulator

The MAX16984A combines a 5V automotive-grade step-down converter capable of driving up to 3.0A, ...
  • Integrated DC-DC and USB Host Charge Emulator Enables 1-Chip Solution Directly from Car Battery to Portable Device
    • 4.5V to 28V (42V Load Dump) Operating Voltage
    • 5V, 3.0A Output Current Capability
    • Low-Q Current Skip and Shutdown Modes
    • Soft-Start Reduces Inrush Current
  • Low-Noise Features Prevent Interference with AM Band and Portable Devices
    • Fixed-Frequency 220kHz to 2.2MHz Operation
    • Forced-PWM Option at No Load
    • Spread Spectrum for EMI Reduction
    • SYNC Input for Frequency Parking
  • Optimal USB Power and Communication for Portable Devices
    • User-Adjustable Voltage Gain Adjusts Output Between 5V and 6.15V for Cable Compensation
    • ±3% Accuracy User-Adjustable USB Current Limit
    • 4Ω USB 2.0 1GHz Data Switches
    • Integrated iPod/iPhone/iPad Charge-Detection Termination Resistors
    • Supports USB BC1.2 Charging Downstream Port(CDP) and Dedicated Charging Port (DCP) Modes
    • Supports Chinese Telecommunication Industry Standard YD/T 1591-2009
    • Compatible with USB On-the-Go Specification
    • High-Speed Pass-Through Mode
  • Robust Design Keeps Vehicle System and Portable Devices Safe in Automotive Environment
    • Short-to-Battery Protection on DC-DC Converter
    • Short-to-Battery Protection on USB Pins
    • ±25kV Air/±8kV Contact ISO 10605
    • ±15kV Air/±8kV Contact IEC 61000-4-2
    • ±15kV Air/±8kV Contact (330Ω, 330pF)
    • Fault-Indication Active-Low, Open-Drain Output
    • Reduced Inrush Current with Soft-Start
    • Overtemperature Protection
    • -40°C to +125°C Operating Temperature Range
    • 32-Pin, 5mm x 5mm, TQFN Package

MAX33074E +3V to +5.5V, RS-485 Half-Duplex Transceiver with ±65V Fault Protection, ±40V CMR, and ±40kV ESD

The MAX33070E/MAX33071E/MAX33074E are a family of fault-protected RS-485/RS-422 transceivers wit...
  • Integrated Protection for Robust Communication
    • Protection on Driver Outputs/Receiver Inputs (A, B Data Lines)
      • ±65V Fault Protection Range on Driver Outputs/Receiver Inputs
      • ±40V Common-Mode Range on Driver Outputs/Receiver Inputs
      • ±40kV Human Body Model (JEDEC JS-001-2017) ESD Protection
      • ±15kV Air-Gap Discharge (IEC 61000-4-2) ESD Protection
      • ±10kV Contact Discharge (IEC 61000-4-2) ESD Protection
    • Hot-Swap Protection
    • Short-Circuit Protection
    • Thermal Shutdown
    • True Fail-Safe Guarantees Known Receiver Output State
    • Wide Operating Temperature Range from -40°C to +125°C
  • High-Performance Transceiver Enables Flexible Designs
    • Compliant with RS-485 EIA/TIA-485 Standard
    • 500kbps (MAX33070E), 2Mbps (MAX33071E), 20Mbps (MAX33074E) Maximum Data Rate
    • 3.3 and 5.0V Supply Voltage
    • 1/8 Unit Load for up to 256 Devices on the Bus

MAX22531 Field-Side Self-Powered, 4-Channel, 12-bit, Isolated ADC

The MAX22530–MAX22532 are galvanically isolated, 4-channel, multiplexed, 12-bit, analog-to-digit...
  • Enable Robust Detection of Multichannel Analog/Binary Inputs
    • Withstands 3.5kVRMS Isolation for 60s (VISO) for the SSOP Package
    • Withstands 5kVRMS Isolation for 60s (VISO) for the Wide SOIC Package
    • 5.5mm of Creepage and Clearance for 20-pin or 28-pin SSOP Package
    • 8mm of Creepage and Clearance for 16-pin Wide SOIC Package
    • Group II CTI Package Material
  • Reduces BOM and Board Space Through High Integration
    • Field-Side Self-Powered with Integrated DC-DC Supply
    • 12-bit, 20ksps Per-Channel ADC
    • Programmable Threshold Comparators for each Channel
    • Isolation for both Data and DC-DC Supply
    • Integrated 1.8V Reference
  • Increase System “Up Time” and Simplifies System Design & Maintenance
    • Field-Side ADC Functionality Diagnostics
    • Field-Side Continuous Power Monitoring
    • Communication System Self-Diagnostics
  • Flexible Control and Interface
    • Programmable Upper and Lower Input Threshold Enable Programmable Hysteresis
    • Comparator Output (COUT_) Pins for Fastest Response
    • SPI Interface with CRC Option
    • Precision Internal Reference ±1% (typ)
    • -40°C to +125°C Operating Temperature Range

MAX22531EVKIT Evaluation Kit for the MAX22530/MAX22531

The MAX2253x evaluation kit (EV kit) provides the hardware and software necessary to evaluate th...
  • Easy Evaluation of MAX22530/MAX22531
  • EV kit is USB Powered, No Field -Side Supply Required
  • All Input Accessible
  • Windows 7, Windows 8.1, and Windows 10- Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested
  • RoHS Compliant
MAX3100 SPI/MICROWIRE-Compatible UART in QSOP-16....

MAX3100 SPI/MICROWIRE-Compatible UART in QSOP-16....

The MAX3100 universal asynchronous receiver transmitter (UART) is the first UART specifically op...
  • Small TQFN and QSOP Packages Available..
  • Full-Featured UART:
    • IrDA SIR Timing Compatible
    • 8-Word FIFO Minimizes Processor Overhead at High Data Rates
    • Up to 230k Baud with a 3.6864MHz Crystal
    • 9-Bit Address-Recognition Interrupt
    • Receive Activity Interrupt in Shutdown
  • SPI/MICROWIRE-Compatible µC Interface
  • Lowest Power:
    • 150µA Operating Current at 3.3V
    • 10µA in Shutdown with Receive Interrupt
  • +2.7V to +5.5V Supply Voltage in Operating Mode
  • Schmitt-Trigger Inputs for Opto-Couplers
  • TX and RTS Outputs Sink 25mA for Opto-Couplers
MAX22007EVKIT Evaluation Kit for the <a href="/en/products/MAX22007">MAX22007</a>

MAX22007EVKIT Evaluation Kit for the MAX22007

The MAX22007 evaluation kit (EV kit) provides the hard- ware and software necessary to evaluate ...
  • Two Accessible Modes:
    • Analog Output-Voltage Mode
    • Analog Output-Current Mode
  • Supports Load Impedance Detection
  • Access to All GPIOs
  • Windows® 10-Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested
MAX22007 Four-Channel 12-Bit Configurable Analog Output with Integrated Voltage Reference

MAX22007 Four-Channel 12-Bit Configurable Analog Output with Integrated Voltage Reference

The MAX22007 is a software-configurable four-channel analog output device that drives a voltage ...
  • Configurable Outputs
    • Each Output Individually Configurable
    • Internal Comparator to Allow Calculating Load Impedance for Voltage-Mode or Current-Mode
    • Voltage Mode is 0V to 10.5V Linear Range with 12.5V Overrange for Loads from 1kΩ to 1MΩ
    • Current Mode is 0mA to 21mA Linear Range with 25mA Overrange for Loads from 0Ω to 750Ω
  • System Accuracy
    • V/I Output Resolution is 12-Bits
    • Factory Calibrated for Gain and Offset Error within ± 0.2% at +25°C
    • V/I Total Unadjusted Error Less Than ± 1% from -40°C to +85°C
  • Robust with Integrated Diagnostics
    • ±42VP-P Protection for Output Drivers
    • ±1kV Surge Protection with 4.99kΩ Series Resistors at Input Pins
    • ±2.5kV HBM ESD Protection on All Pins
    • Outputs have Short-Circuit and Overvoltage Protection with External Diodes
    • Thermal Monitoring and Shutdown Protection
  • Simple and Low-Cost Interface
    • Up to 30MHz SPI Serial Interface with Optional 8-Bit CRC
    • Daisy-Chain Mode to Reduce System Cost
    • VDD = 2.7V to 5.5V for Easy Interface to the Microcontroller
    • High Voltage Output Supplies:
      • HVDD: +8V to +24V
      • HVSS: -2V to 0V
  • Robust Performance in a Compact Package
    • -40°C to 85°C Operating Temperature Range
    • 56-pin TQFN, 8mm x 8mm

MAX30134EVSYS Evaluation System for the MAX30131/MAX30132/MAX30134

The MAX30134 evaluation system provides a single platform to evaluate the functionality and feat...
  • Convenient Platform to Evaluate the MAX30131/MAX30132/MAX30134
  • Many Easy-to-Reach Test Points
  • Multichannel Operation
  • Windows® 7-, 8-, 10-Compatible GUI Software
  • Fully Assembled and Tested
  • Facilitates IEC61000-4-2 ESD Compliance Testing
  • Ultra-Low-Power Design
MAX22246CWEVKIT Evaluation Kit for the <a href="/en/products/MAX22245">MAX22245</a>/<a href="/en/products/MAX22246">MAX22246</a>

MAX22246CWEVKIT Evaluation Kit for the MAX22245/MAX22246

The MAX22245/MAX22246 evaluation kits (EV kits) provide a proven design to evaluate the MAX22245...
  • Broad Range of Data Transfer Rates (from DC to 200Mbps)
  • MAX22245 with 2:0 Channel Configuration and MAX22246 with 1:1 Channel Configuration
  • SMA Connectors for Easy Connection to External Equipment
  • Wide Power Supply Voltage Range from 1.71V to 5.5V
  • Guaranteed up to 5kVRMS Isolation for 60s
  • -40°C to +125° C Temperature Range
  • Proven PCB Layout
    MAX2224XWEVKIT Evaluation Kit for the <a href="/en/products/MAX22245">MAX22245</a>/<a href="/en/products/MAX22246">MAX22246</a>

    MAX2224XWEVKIT Evaluation Kit for the MAX22245/MAX22246

    The MAX22245/MAX22246 evaluation kits (EV kits) provide a proven design to evaluate the MAX22245...
    • Broad Range of Data Transfer Rates (from DC to 200Mbps)
    • MAX22245 with 2:0 Channel Configuration and MAX22246 with 1:1 Channel Configuration
    • SMA Connectors for Easy Connection to External Equipment
    • Wide Power Supply Voltage Range from 1.71V to 5.5V
    • Guaranteed up to 5kVRMS Isolation for 60s
    • -40°C to +125° C Temperature Range
    • Proven PCB Layout

      Reference Designs

      Models:

      Product Image

      DS9090EVKIT

      With the PC utility, exercise and evaluate a broad range of 1-Wire devices.
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      DS2484EVKIT

      DS2484 Converts I2C slave to 1-Wire master. Independent and flexible I2C and 1-Wire operating vo...
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      DS9488-GP8

      Simultaneously programs up to eight 1-Wire devices.
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      DS9481R-3C7

      With the PC utility, easily exercise and evaluate 1-Wire devices.
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      DS9120

      Designed for use with the DS2484EVKIT and 1-Wire PC adapters such as DS9490R.
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      MAX22190EVKIT

      Fully IEC61131-2-compliant octal digital input with wire-break detection, integrated diagnostics...
      Product Image

      MAX14914EVKIT

      The only fully software-configurable DIO push-pull, fast, and surge protection product with Safe...
      Product Image

      MAX14912EVKIT

      Octal HS or push-pull, SafeDemag surge protection with integrated diagnostics and LED matrix.
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      MAX22701EVKIT

      Includes two identical ICs for measurement of part-to-part propagation delay matching.
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      MAXREFDES70

      Low-power, ultrasonic time-of-flight reference design for high-accuracy liquid flow measurement.