USTSIPIN03 - Semiconductor-based ionizing radiation dosimeter and spectrometer analog front-end

The USTSIPIN03 is developed as a single-board improved variant of the PIND02 and PCRD07 modules from the MLAB.cz development system. The analog front-end is the sensing component of the AIRDOS04 cosmic radiation detector and dosimeter.

Features

• High-sensitivity silicon semiconductor PIN diode detector front-end
• Low-noise analog signal chain optimized for wide-energy radiation detection
• Designed for spectrometric and dosimetric measurements
• Suitable for connection to system MCU or FPGA via SPI interface
• Auxiliary I2C interface for service and calibration data access

Electrical and Interface Specifications

• Power supply: +5 V DC
• Maximum power consumption: 5.5 mA (28 mW)
• Main data interface: SPI with up to 15 MHz system clock
• Service interface: I2C with access to
  • Temperature and humidity sensors
  • Unique serial number
  • Calibration memory
• Dimensions: 70.65 x 50.3 x 10 mm
• Mass: 24 g (including connector)

Measurement Specifications

• Detection element: Silicon PIN diode, volume 44 mm³
• Effective number of energy channels: ~65000
• Deposited energy range: 40 keV to 80 MeV
• Spectral resolution: 15 ±2 keV
• Maximum sampling rate: 250 kHz
• Measurement modes:
  • Pulse counting
  • Deposited energy spectroscopy
  • Dose rate estimation

Applications

• Cosmic ray detection
• Environmental radiation monitoring
• Portable dosimetry systems
• Radiation protection systems

Related Projects

• AIRDOS04 - Complete radiation detection system based on USTSIPIN03
• PIND02 - Predecessor MLAB module
• PCRD07 - Related MLAB analog front-end module