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

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

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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
DS1631EVSYS1 Evaluation Kit for the DS1631
The DS1631 evaluation system (EV system) demonstrates the DS1631 high-precision digital thermome...
  • 2 x 6-Pin Pmod™ Compatible Connector (I2C)
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Windows XP, Windows 7/8/8.1/10 Compatible Software
DS1631EVKIT Evaluation Kit for the DS1631
The DS1631 evaluation system (EV system) demonstrates the DS1631 high-precision digital thermome...
  • 2 x 6-Pin Pmod™ Compatible Connector (I2C)
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Windows XP, Windows 7/8/8.1/10 Compatible Software
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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
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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
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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
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    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
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      MAX22245 Reinforced, Fast, Low-Power Two-Channel Digital Isolators
      The MAX22245/MAX22246 are a family of 2-channel reinforced, fast, low-power digital galvanic iso...
      • Reinforced Galvanic Isolation for Fast Digital Signals
        • Wide-Body 8-Pin SOIC with 8mm of Creepage and Clearance
        • Up to 200Mbps Maximum Data Rate
        • Withstands 5kVRMS for 60s (VISO)
        • Continuously Withstands 1500VRMS (VIOWM)
        • Withstands ±10kV Surge Between GNDA and GNDB with 1.2/50µs Waveform
        • High CMTI (50kV/µs, typ)
      • Low Power Consumption
        • 0.76mW per Channel at 1Mbps with VDD = 1.8V
        • 1.42mW per Channel at 1Mbps with VDD = 3.3V
        • 3.2mW per Channel at 100Mbps with VDD = 1.8V
      • Options to Support a Broad Range of Applications
        • 2 Maximum Data Rates (200Mbps, 25Mbps)
        • 2 Channel Direction Configurations
        • 2 Output Default States (High or Low)
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      MAX22246 Reinforced, Fast, Low-Power Two-Channel Digital Isolators
      The MAX22245/MAX22246 are a family of 2-channel reinforced, fast, low-power digital galvanic iso...
      • Reinforced Galvanic Isolation for Fast Digital Signals
        • Wide-Body 8-Pin SOIC with 8mm of Creepage and Clearance
        • Up to 200Mbps Maximum Data Rate
        • Withstands 5kVRMS for 60s (VISO)
        • Continuously Withstands 1500VRMS (VIOWM)
        • Withstands ±10kV Surge Between GNDA and GNDB with 1.2/50µs Waveform
        • High CMTI (50kV/µs, typ)
      • Low Power Consumption
        • 0.76mW per Channel at 1Mbps with VDD = 1.8V
        • 1.42mW per Channel at 1Mbps with VDD = 3.3V
        • 3.2mW per Channel at 100Mbps with VDD = 1.8V
      • Options to Support a Broad Range of Applications
        • 2 Maximum Data Rates (200Mbps, 25Mbps)
        • 2 Channel Direction Configurations
        • 2 Output Default States (High or Low)

      Reference Designs

      Models:

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      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...
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      MAX14914EVKIT
      The only fully software-configurable DIO push-pull, fast, and surge protection product with Safe...
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      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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      MAXREFDES150
      Integrates 30 industrial IOs for lower heat dissipation and faster throughput in less than ten c...