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Home » NEWEST Products » New by Manufacturer » Texas Instruments » Temperature Sensing Solution - Texas Instruments
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TI Winning Solution

Texas Instruments Temperature Sensing Solution

TI Winning Solutions

    
Texas Instruments Temperature Sensing Solution

Check out this Temperature Sensing solution from Texas Instruments that speeds the design cycle with the right devices, software, tools, and support for designing the next generation of temperature sensors. This highly integrated solution features:

ADS1246/47/48 - ADCs with Integrated Temp Sensor
LMP90 - Analog Front End
ADS1018/ADS1118 - ADCs for Temp Sensors
MSP430 - 16-Bit MCUs


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Key Solution Features
  • Highly integrated solution
    • Dual matched-current DACs
    • Low-drift internal reference
    • Low-noise PGA, temperature sensor, burnout detection
  • 24 bits, no missing codes, single-cycle settling, up to 2kSPS
  • 50-/60Hz rejection
  • True continuous background calibration
  • Background sensor diagnostics

An Example Temperature Sensing Solution
An Example Temperature Sensing Solution

TI Video: When to Use an Analog Temp Sensor Vs. a Thermistor
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Texas Instruments ADS1247/8 24-Bit ADCs

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Additional Resources

Texas Instruments ADS1246, ADS1247, and ADS1248 are highly-integrated, precision, 24-bit analog-to-digital converters (ADCs). TI ADS1246/7/8 feature an onboard, low-noise, programmable gain amplifier (PGA), a precision delta-sigma ADC with a single-cycle settling digital filter, and an internal oscillator. ADS1246, ADS1247, and ADS1248 ADCs also provide a built-in, very low drift voltage reference with 10mA output capacity, and two matched programmable current digital-to-analog converters (DACs). An input multiplexer supports four differential inputs for ADS1248, two for ADS1247, and one for ADS1246. These TI devices provide a complete front-end solution for temperature sensor applications, including thermal couples, thermistors, and RTDs.


Features
  • 24 Bits, No Missing Codes
  • Data Output Rates Up to 2kSPS
  • Single-Cycle Settling for All Data Rates
  • Simultaneous 50/60Hz Rejection at 20SPS
  • 4 Differential/7 Single-Ended Inputs (ADS1248)
  • 2 Differential/3 Single-Ended Inputs (ADS1247)
  • Low-Noise PGA: 48nV at PGA = 128
  • Matched Current Source DACs
  • Very Low Drift Internal Voltage Reference: 10ppm/°C (max)
Applications
  • Temperature Measurement: RTDs, Thermocouples, and Thermistors
  • Pressure Measurement
  • Industrial Process Control

Block Diagram
Block Diagram
Texas Instruments LMP90 Sensor AFEs

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Additional Resources

Texas Instruments LMP90080/LMP90079/LMP90078/LMP90077 are highly integrated, multi-channel, low-power 16-bit Sensor AFEs. The devices feature a precision, 16-bit Sigma Delta Analog-to-Digital Converter (ADC) with a low-noise programmable gain amplifier and a fully differential high impedance analog input multiplexer. A true continuous background calibration feature allows calibration at all gains and output data rates without interrupting the signal path.

TI LMP90100/LMP90099/LMP90098/LMP90097 are highly integrated, multi-channel, low power 24-bit Sensor AFEs. The devices features a precision, 24-bit Sigma Delta Analog-to-Digital Converter (ADC) with a low-noise programmable gain amplifier and a fully differential high impedance analog input multiplexer. A true continuous background calibration feature allows calibration at all gains and output data rates without interrupting the signal path.


Features
  • 16-Bit Low-Power Sigma Delta ADC (LMP90077/LMP90078/LMP90079/LMP90080)
  • 24-Bit Low-Power Sigma Delta ADC (LMP90097/LMP90098/LMP90099/LMP90100)
  • True Continuous Background Calibration at All Gains
  • In-Place System Calibration Using Expected Value Programming
  • Low-Noise Programmable Gain (1x - 128x)
  • Continuous Background Open/Short and Out of Range Sensor Diagnostics
  • 8 Output Data Rates (ODR) with Single-Cycle Settling
  • 2 Matched Excitation Current Sources from 100µA to 1000µA (LMP90078/LMP90080/LMP90098/LMP90100)
  • 4-DIFF / 7-SE Inputs (LMP90079/LMP90080/LMP90099/LMP90100)
  • 2-DIFF / 4-SE Inputs (LMP90077/LMP90078/LMP90097/LMP90098)
Applications
  • Temperature and Pressure Transmitters
  • Strain Gauge Interface
  • Industrial Process Control

LMP90xx Block Diagram

Block Diagram
Texas Instruments ADS1018/ADS1118 ADCs

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Additional Resources

Texas Instruments ADS1018 is a precision analog-to-digital converter (ADC) with 12 bits of resolution offered in an ultra-small, leadless QFN-10 package or an MSOP-10 package. TI ADS1018 ADC is designed with precision, power, and ease of implementation in mind. The ADS1018 features an integrated voltage reference and oscillator. Data are transferred via an SPI-compatible serial interface. ADS1018 operates from a single power supply ranging from 2.0V to 5.5V.

TI ADS1118 is a precision analog-to-digital converter (ADC) with 16 bits of resolution offered in an ultra-small, leadless QFN-10 package or an MSOP-10 package. TI ADS1118 is designed with precision, power, and ease of implementation in mind. ADS1118 features an integrated voltage reference and oscillator. Data are transferred via SPI serial interface. ADS1118 operates from a single power supply ranging from 2.0V to 5.5V.


Features
  • Ultra-Small QFN Package: 2mm × 1.5mm × 0.4mm
  • Wide Supply Range: 2.0V to 5.5V
  • Low Current Consumption:
    • Continuous Mode: Only 150µA
    • Single-Shot Mode: Auto Power-Down
  • Programmable Data Rate:
    • 8SPS to 860SPS (ADS1118)
    • 128SPS to 3300SPS (ADS1018)
  • Single-Cycle Settling
  • Internal Temperature Sensor:
    • 0.5°C (max) Error (ADS1118)
    • 1°C (max) Error ADS1018)
Applications
  • Temperature Measurement
  • Portable Instrumentation
  • Consumer Goods
  • Battery Monitoring
  • Factory Automation and Process Controls

ADS1118 Block Diagram

Block Diagram
ADS1018 Block Diagram
Block Diagram
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