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X-ray CT detector chips-BGX01
BGX01 is a high-performance CT sensor with three-side stitchable capability, achieving a maximum of 32 rows of CT detectors through stitching. It has an active pixel array of 16 (H) × 16 (V), with each pixel measuring 1mm × 1mm, and can also be customized to meet specific requirements. BGX01 integrates 256 channels of ADC on a single chip. The effective bits of the ADC are 23 bits (total 24 bits, 1 bit redundancy). The quantization accuracy of the ADC is 0.06fC/LSB.
Features:
· High sensitivity and high dynamic range pixels
· On-chip integrated ADC
· Programmable control: Frame rate, exposure time
· High linearity
· Low noise
· High Frame rate
· Encoded output
Applications:
Medical and industrial CT detectors
Parameter
Parameter Values Unit
Active pixel array 16(H) × 16(V) pixel
Pixel size 1 × 1 mm
Active pixel array area 16.7 × 17.54 mm
Frame rate 20 Kfps
Full well capacity 3.125 × 10^9 e-
Max integration current 1uA@2 / 2.5uA@5 Kfps
INL with PD <±512 ppm of reading ± 1ppm of FSR
Read noise 1200 e-
PD responsivity 0.33@510nm, 0.35@670nm, 0.26@780nm A/W
Dark current@25℃ 30/pixel pA
Pixel responsivity uniformity 0.6%
Dynamic range 113.6 dB
Output interface LVDS
Power supply Digital 1.62 ~ 1.98 V
IO 1.8 ~ 3.3
Analog 3 ~ 3.6(typical 3.3)
Power consumption < 1.25 W
Temperature range -40 ~ 65
ESD ±1KV: HBM JS-001-2017 method (1)
Packaging COB
QE Curve
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