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Sensor interface ICs connect directly to a sensor element and provide the needed signal conditioning to extract an accurate signal for monitoring and control systems. Fully integrated sensor signal conditioners connect directly to the sensor, perform conditioning, and optionally fulfill data communication functions.

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Sensors and Field Instruments

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Sensing

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Featured Products

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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MAX14821 IO-Link Device Transceiver
The MAX14821 transceiver is suitable for IO-Link® devices and 24V binary sensors/actuators. All ...
  • Standards Compliance Ensures Future-Proof Solutions
    • IO-Link Versions 1.0 and 1.1.2
    • IEC IEC61131.9 SDCI
  • High Configurability and Integration Reduces SKUs
    • Push-Pull, PNP or NPN Driver Configuration
    • Supports COM1, COM2, and COM3 Data Rates
    • SPI Interface for Control and Monitoring
    • 2.5V to 5V Logic Interface Levels
    • Auxiliary 24V, 100mA Digital Output (DO)
    • Auxiliary 24V Digital Input (DI)
    • 100mA Specified C/Q output Drive
    • Integrated 5V and 3.3V Regulators
  • Integrated Protection Enables Robust Solutions
    • Extensive Fault-Monitoring and Reporting
    • Reverse-Polarity and Short-Circuit Protection on All 24V Outputs/Inputs
    • Reverse-Polarity Protected 24V Supply Output
    • -40°C to +105°C Operating Temperature Range
  • Small Package Supports Sensor Miniaturization
    • 2.5mm x 2.5mm WLP and 4mm x 4mm TQFN Package
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MAX86140 Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health
The MAX86140/MAX86141 are ultra-low-power, com- pletely integrated, optical data acquisition sys...
  • Complete Single-Channel, Optical Data Acquisition System
  • Optimized Architecture for Transmissive and Reflective Heart Rate or SpO2 Monitoring
  • Low Dark Current Noise of < 50pA RMS (Sample to Sample Variance)
  • Lower Effective Dark Current Noise Achievable Through Multiple Sample Modes and On-Chip Averaging
  • High-Resolution, 19-bit Charge Integrating ADC
  • Three Low-Noise, 8-Bit LED Current DACs
  • Excellent Dynamic Range >89dB in White Card Loop-Back Test (Sample-to-Sample Variance)
  • Dynamic Range Extendable to >104dB for SpO2 and >110dB for HRM with Multiple Sample Modes and On-Chip Averaging
  • Excellent Ambient Range and Rejection Capability
    • > 100µA Ambient Photodetector Current
    • > 70dB Ambient Rejection at 120Hz
  • Ultra-Low-Power Operation for Body Wearable Devices
    • Low-Power Operation, Optical Readout Channel <10µA Typical at 25sps
    • Short Exposure Integration Period of 14.8µs, 29.4µs, 58.7µs, 117.3µs
    • Low Shutdown Current = 0.6µA (typ)
  • Rejection of Fast Ambient Transients
  • Miniature 2.048 x 1.848mm, 5 x 4 0.4mm Ball Pitch WLP
  • -40°C to +85°C Operating Temperature Range
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MAX86141 Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health
The MAX86140/MAX86141 are ultra-low-power, com- pletely integrated, optical data acquisition sys...
  • Complete Single-Channel, Optical Data Acquisition System
  • Optimized Architecture for Transmissive and Reflective Heart Rate or SpO2 Monitoring
  • Low Dark Current Noise of < 50pA RMS (Sample to Sample Variance)
  • Lower Effective Dark Current Noise Achievable Through Multiple Sample Modes and On-Chip Averaging
  • High-Resolution, 19-bit Charge Integrating ADC
  • Three Low-Noise, 8-Bit LED Current DACs
  • Excellent Dynamic Range >89dB in White Card Loop-Back Test (Sample-to-Sample Variance)
  • Dynamic Range Extendable to >104dB for SpO2 and >110dB for HRM with Multiple Sample Modes and On-Chip Averaging
  • Excellent Ambient Range and Rejection Capability
    • > 100µA Ambient Photodetector Current
    • > 70dB Ambient Rejection at 120Hz
  • Ultra-Low-Power Operation for Body Wearable Devices
    • Low-Power Operation, Optical Readout Channel <10µA Typical at 25sps
    • Short Exposure Integration Period of 14.8µs, 29.4µs, 58.7µs, 117.3µs
    • Low Shutdown Current = 0.6µA (typ)
  • Rejection of Fast Ambient Transients
  • Miniature 2.048 x 1.848mm, 5 x 4 0.4mm Ball Pitch WLP
  • -40°C to +85°C Operating Temperature Range
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MAX14819 Dual IO-Link Master Transceiver with Integrated Framers and L+ Supply Controllers
The MAX14819/MAX14819A low-power, dual-channel, IO-Link® master transceiver with sensor/actuator...
  • Low-Power Architecture
    • 1Ω (typ) Driver On-Resistance
    • 1.9mA (typ) Total Supply Current for 2 Channels
    • Current Limiters with 15mV Sense Voltage
  • Integrated IO-Link Framer Eliminates Need for External UARTs
    • Integrated Cycle Timer Relieves Microcontroller from Timing-Critical Tasks
  • High Configurability and Integration Reduce SKUs
    • Two Auxiliary Type 1/Type 3 Digital Inputs
    • Supports NPN Sensors
    • Dual 24V Sensor Supply Controllers Include:
      • Large Capacitive Load Charge Capability
      • 2A and Higher Load Currents
  • Integrated Protection Enables Robust Systems
    • Reverse Polarity Protection on All Interface Pins
    • Overvoltage Tolerance on All Interface Pins
    • C/Q and DI Fully Compliant with IEC 61131-2
    • C/Q Compliant with IO-Link 1.1.3
    • Reverse Current Blocking on L+ and C/Q
    • 65V Absolute Max Ratings for TVS Flexibility
    • Glitch Filters for Improved Burst Resilience
    • -40°C to +125°C Operating Temperature Range
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MAX14819A Dual IO-Link Master Transceiver with Integrated Framers and L+ Supply Controllers
The MAX14819/MAX14819A low-power, dual-channel, IO-Link® master transceiver with sensor/actuator...
  • Low-Power Architecture
    • 1Ω (typ) Driver On-Resistance
    • 1.9mA (typ) Total Supply Current for 2 Channels
    • Current Limiters with 15mV Sense Voltage
  • Integrated IO-Link Framer Eliminates Need for External UARTs
    • Integrated Cycle Timer Relieves Microcontroller from Timing-Critical Tasks
  • High Configurability and Integration Reduce SKUs
    • Two Auxiliary Type 1/Type 3 Digital Inputs
    • Supports NPN Sensors
    • Dual 24V Sensor Supply Controllers Include:
      • Large Capacitive Load Charge Capability
      • 2A and Higher Load Currents
  • Integrated Protection Enables Robust Systems
    • Reverse Polarity Protection on All Interface Pins
    • Overvoltage Tolerance on All Interface Pins
    • C/Q and DI Fully Compliant with IEC 61131-2
    • C/Q Compliant with IO-Link 1.1.3
    • Reverse Current Blocking on L+ and C/Q
    • 65V Absolute Max Ratings for TVS Flexibility
    • Glitch Filters for Improved Burst Resilience
    • -40°C to +125°C Operating Temperature Range