Sensor

Designing signal processing components for various sensors used in combination with mobile devices and microcontrollers.
Through consistent design from peripheral circuits to layout, we achieve a high-value design that includes miniaturization and noise reduction.
INDEX

Major sensor development achievements

Kinds Main use
CMOS image sensor Mobile
Temperature sensor For MCU
Motion sensor (acceleration, gyro, magnetism) Mobile

CMOS image sensor

Feature

Usage For mobile
Number of pixels ～100M
Frame rate ～120fps
Point
  • We can handle the design of individual circuits, from pixel peripheral circuits to top-level circuits.
  • We can verify our designs using a "Reduced Order Model", which takes into account the CHIP floor plan.
  • We can handle circuit design and layout design.
  • We can design circuits that take image quality characteristics into consideration.

Block Diagram

Motion sensor (acceleration, gyro, magnetism)

Feature

Usage Developing sensors for smartphones and tablets
Point
  • C-V conversion: SC circuit, low noise (ΔC=fF, detection accuracy of aF order)
  • Amplifier: Low noise, offset rejection
  • ADC: 12bit~17bit, low power consumption
  • Overall design: Noise design for the entire system

Block Diagram

Temperature sensor

Refer to ADC development achievements

ADC development achievements

Resistance change sensor

Feature

  • Optimal design considering overall noise. Pre-design estimation, numerical calculation (MATLAB/Scilab, etc.)
  • Small area and low power design

Block Diagram

Achievements / Case