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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 ...

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

Transceivers

RS232, RS422, USB, IO-LINK transceivers integrate features to increase reliability and simplify ...

Technical Documents

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Featured Products

MAX22530 Field-Side Self-Powered, 4-Channel, 12-bit, Isolated ADC

MAX22530 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

MAX33046E 20Mbps, Half-Duplex RS-485/RS-422 Transceivers with ±40kV ESD Protection

The MAX33045E/MAX33046E is a half-duplex RS-485/422 transceiver that operates at either 3.3V or ...
  • Integrated Protection Increases Robustness
    • ±25V Fault-Protection Range on Driver Outputs/Receiver Inputs
    • High-ESD Protection
      • ±40kV HBM ESD per JEDEC JS-001
      • ±15kV Air-Gap ESD per IEC 61000-4-2
      • ±10kV Contact ESD per IEC 61000-4-2
    • Short-Circuit-Protected Outputs
    • True Fail-Safe Receiver Prevents False Transition on Receiver Input Short or Open Events
    • Hot-Swap Capability Eliminates False Transitions on Receiver Input Shorts or Open Events
  • High-Speed Data Rates up to 20Mbps
  • Enables up to 256 Nodes on the Bus
  • Wide -40°C to +125°C Operating Temperature Range

    MAX33045E 20Mbps, Half-Duplex RS-485/RS-422 Transceivers with ±40kV ESD Protection

    The MAX33045E/MAX33046E is a half-duplex RS-485/422 transceiver that operates at either 3.3V or ...
    • Integrated Protection Increases Robustness
      • ±25V Fault-Protection Range on Driver Outputs/Receiver Inputs
      • High-ESD Protection
        • ±40kV HBM ESD per JEDEC JS-001
        • ±15kV Air-Gap ESD per IEC 61000-4-2
        • ±10kV Contact ESD per IEC 61000-4-2
      • Short-Circuit-Protected Outputs
      • True Fail-Safe Receiver Prevents False Transition on Receiver Input Short or Open Events
      • Hot-Swap Capability Eliminates False Transitions on Receiver Input Shorts or Open Events
    • High-Speed Data Rates up to 20Mbps
    • Enables up to 256 Nodes on the Bus
    • Wide -40°C to +125°C Operating Temperature Range

      MAX14919A Industrial-Protected Quad-Channel Low-Side Switch

      The MAX14919 industrial-protected quad-channel lowside switch features 140mΩ (typ) on-resistance...
      • 5V or 7V to 60V Supply Voltage
      • 800mA Load Current per OUT
      • Integrated 5V/30mA Linear Regulator
      • Logic Supply Input from 1.62V(min) to 5.5V(max)
      • 5V to 48V Load Voltage Range
      • Up to 200kHz (min) Switching Rates
      • 2x Inrush Load Current Option for 10ms
      • Reduces Power and Heat Dissipation
        • 140mΩ (typ) On-Resistance per channel
        • 1.7mA (typ) Supply Current
        • Settable Load Current Limit
      • Robust Design Features
        • Internal inductive Energy Clamp at 55V(typ)
        • Short-Circuit Protection
        • Reverse Current Detection against Load-Supply Miswiring
        • ±1kV/42Ω, 8μs/20µs Surge Protection
        • ±8kV Contact and ±25kV Airgap ESD Protection
        • -40°C to +125°C Operating Ambient Temperature
      • Active-Low FAULT Indication for:
        • Thermal Overload
        • Reverse Load Current Detection
        • Undervoltage Lockout on V5 Supply
      • Compact 20-pin, 6.5mm x 6.4mm TSSOP Package
      • Compact 20-pin, 4mm x 5mm TQFN Package

      MAX14919 Industrial-Protected Quad-Channel Low-Side Switch

      The MAX14919 industrial-protected quad-channel lowside switch features 140mΩ (typ) on-resistance...
      • 5V or 7V to 60V Supply Voltage
      • 800mA Load Current per OUT
      • Integrated 5V/30mA Linear Regulator
      • Logic Supply Input from 1.62V(min) to 5.5V(max)
      • 5V to 48V Load Voltage Range
      • Up to 200kHz (min) Switching Rates
      • 2x Inrush Load Current Option for 10ms
      • Reduces Power and Heat Dissipation
        • 140mΩ (typ) On-Resistance per channel
        • 1.7mA (typ) Supply Current
        • Settable Load Current Limit
      • Robust Design Features
        • Internal inductive Energy Clamp at 55V(typ)
        • Short-Circuit Protection
        • Reverse Current Detection against Load-Supply Miswiring
        • ±1kV/42Ω, 8μs/20µs Surge Protection
        • ±8kV Contact and ±25kV Airgap ESD Protection
        • -40°C to +125°C Operating Ambient Temperature
      • Active-Low FAULT Indication for:
        • Thermal Overload
        • Reverse Load Current Detection
        • Undervoltage Lockout on V5 Supply
      • Compact 20-pin, 6.5mm x 6.4mm TSSOP Package
      • Compact 20-pin, 4mm x 5mm TQFN Package

      MAX1452EVSYS Evaluation System for the MAX1452

      The MAX1452 evaluation system (EV system) includes a MAX32625PICO board and the MAX1452 evaluati...
      • USB Powered
      • Sensor Socket on the EV board
      • On-Board ADC to read the OUT Voltage of MAX1452
      • Windows 10-compatible software
      • User-Friendly Graphical User Interface (GUI)
      • Proven PCB Layout
      • Fully Assembled and Tested

      MAX1452BEVKIT Evaluation System for the MAX1452

      The MAX1452 evaluation system (EV system) includes a MAX32625PICO board and the MAX1452 evaluati...
      • USB Powered
      • Sensor Socket on the EV board
      • On-Board ADC to read the OUT Voltage of MAX1452
      • Windows 10-compatible software
      • User-Friendly Graphical User Interface (GUI)
      • Proven PCB Layout
      • Fully Assembled and Tested

      MAX33041E +3.3V, 5Mbps CAN Transceiver with ±40V Fault Protection, ±25V CMR, and ±40kV ESD in 8-Pin SOT23

      The MAX33040E/MAX33041E are +3.3V control area network (CAN) transceivers with integrated protec...
      • Integrated Protection Increases Robustness
        • Increased Protection on CANH and CANL
          • ±40V Fault Tolerant
          • ±40kV ESD Human Body Model (HBM>) Protection
          • ±25V Extended Common-Mode Input Range (CMR)
          • Short-Circuit Protection
        • Transmitter Dominant Timeout Prevents Lockup
        • Thermal Shutdown
      • Family Provides Flexible Design Options
        • Slow Slew Rate to Minimize EMI
        • Low-Current Standby Mode
      • Small Package Options to Save PCB Area
        • 8-Bump WLP
        • 8-Pin SOT23
        • 8-Pin SOIC
      • High-Speed Operation of up to 5Mbps
      • Operating Temperature Range of -40°C to +125°C

      MAX33040E +3.3V, 5Mbps CAN Transceiver with ±40V Fault Protection, ±25V CMR, and ±40kV ESD in 8-Pin SOT23

      The MAX33040E/MAX33041E are +3.3V control area network (CAN) transceivers with integrated protec...
      • Integrated Protection Increases Robustness
        • Increased Protection on CANH and CANL
          • ±40V Fault Tolerant
          • ±40kV ESD Human Body Model (HBM>) Protection
          • ±25V Extended Common-Mode Input Range (CMR)
          • Short-Circuit Protection
        • Transmitter Dominant Timeout Prevents Lockup
        • Thermal Shutdown
      • Family Provides Flexible Design Options
        • Slow Slew Rate to Minimize EMI
        • Low-Current Standby Mode
      • Small Package Options to Save PCB Area
        • 8-Bump WLP
        • 8-Pin SOT23
        • 8-Pin SOIC
      • High-Speed Operation of up to 5Mbps
      • Operating Temperature Range of -40°C to +125°C

      MAX22532 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

      Reference Designs

      Product Image

      DS9481R-3C7

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

      DS9090EVKIT

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

      DS2484EVKIT

      DS2484 Converts I2C slave to 1-Wire master. Independent and flexible I2C and 1-Wire operating vo...
      Product Image

      DS9488-GP8

      Simultaneously programs up to eight 1-Wire devices.
      Product Image

      DS9120

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

      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.
      Product Image

      MAX22701EVKIT

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

      MAXREFDES150

      Integrates 30 industrial IOs for lower heat dissipation and faster throughput in less than ten c...