A Low Power Carbon Nanotube Chemical Sensor System

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A Low Power Carbon Nanotube Chemical Sensor System
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Measured CNT Characteristics

• Wide dynamic range (10kO 9MO), but only
  moderate resolution (1)
• Sub-ppm NO2 detection
• 16 bit dynamic range
• 6-7 bit resolution
• Interface to multiple CNT sensors for increased
  reliability
• Access to 24 CNTs
• Maximum current through a single CNT lt 30 µA

Implications for the CMOS chip
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CMOS Chip Design
CMOS Chip Architecture
Chip Design Flow
Acknowledgments FCRP IFC, National
Semiconductor Inc., Samsung Scholarship
Foundation, Intel