Medipix2

Specifications

General
CMOS technology	0.25μm
Pixel size	55μm x 55μm
Pixel matrix	256 x 256
Design	CERN

Analog front end (pixel cell)
Positive and negative signal polarity
Leakage current	-10nA to +20nA
Time to peak	100ns
Noise	100 e- rms
Threshold variation (after tuning)	35 e- rms
Minimum operating treshold	700 e-

Digital part (pixel cell + periphery)
1 counter / shift register	14 bits (stops at 11810 counts)
Periphery	13 8-bit DACs to set voltages in the chip Serial raedout 1-bit LVDS Parallel readout 32-bit CMOS Readout time in serial mode (100 MHz clock): 9μs Readout time in parallel mode (100 MHz clock): 266μs
Total analog power consumption (nominal conditions)	440mW
Total digital power consumption (@100MHz)	450mW

Features and Applications

Features:

Pixel size 55μm x 55μm
256 x 256 pixels
2 thresholds for window discrimination (adjustable per pixel with 3 bits each)
Single particle counting
Electron or hole collection -> compatible with various sensor materials
Can be combined with Gas Gain Grid to readout electron deposition in a gas detector
3-side buttable

Applications:

Adaptive optics and other visible or near visible light applications
Astrophysics
Digital Autoradiography
Education
Electron microscopy
Life Sciences
Neutron imaging
Various X-ray and gamma-ray imaging applications
X-ray polarimetry measurements

20th Anniversary Symposium on Medipix and Timepix

The Medipix2 Collaboration will celebrate 20 years of activity in 2019. To mark the occasion, a special symposium on Medipix and Timepix will be held at CERN on 18 September.

Events

14 August, 2019

20th Anniversary Symposium on Medipix and T...

Events

14 August, 2019

Subscribe to Medipix2