A Unique Chemical/Gas Sensor Solution



Texas Instruments A Unique Chemical/Gas Sensor Solution

Together, Texas Instruments and National Semiconductor offer a unique chemical/gas sensor solution

Texas Instruments and National Semiconductor offer a chemical and gas sensor solution that provides onboard processing and a configurable interface, allowing a single detector to be used for multiple sensor types. Together, the LMP91000 configurable AFE potentiostat, MSP430F2003 16-bit ultra-low power MCU, XTR117 4-20mA current loop transmitter, and BQ25504 ultra-low power boost converter offer a unique chemical/gas sensor solution.

  Features
  • Configurable AFE with integrated electrode excitation
    • One design solution fits multiple electro-chemical sensors
  • 4-20 mA current loop transmitter
    • Integrated 5 V regulator capable of providing system power
    • .05% span error
  • 16-bit MCU for configuration and communication   
    • Extremely low power extends battery life and ensures operation under 4 mA
    • Enables online or factory programmed configuration and calibration of sensor

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Digi-Key
Part Number
Description / Device Uses  
LMP91000SDE/NOPBCT-ND     LMP91000SDE/NOPB - Programmable analog front end (AFE)
  • Chemical species identification
  • Amperometric applications
  • Electrochemical blood glucose meter
LMP91000 Datasheet
296-19692-1-ND     MSP430F2003IRSAT - 16-bit ultra-low-power MCU
  • Sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system
  • Stand alone RF sensor front end
MSP430F2003IRSAT Datasheet
296-19487-1-ND     XTR117AIDRBT - Precision current output converter
  • 2-wire, 4-20 mA current loop transmitter
  • Smart transmitter and test systems
  • Industrial process control
  • Current amplifier and voltage-to-current amplifier
XTR117 Datasheet
296-29741-1-ND     BQ25504RGTT - Ultra low power boost converter with battery management
  • Energy harvesting / solar charger
  • Thermal electric generator (TEG) harvesting
  • Wireless sensor networks (wsn) / smart building controls
  • Industrial and environmental monitoring
  • Bridge / structural health monitoring (SHM)
  • Portable and wearable health devices
  • Entertainment system remote controls
BQ25504RGTT Datasheet


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