TABLE II.

Performance of the 4 × 4 Pixel Array, TDC, and Temperature Sensor of the Presented ASIC

Input charge maximum range	± 17 fC to ± 70 fC
Gain for both polarities	10, 16, 20, and 40 mV/fC
Detector leakage compensation	dynamic up to 4 nA /pixel
Minimum threshold (from 80 pixels)	5.3 keV
ENC @ 40 mV/fC (positive polarity)	133 e− RMS
ENC @ 40 mV/fC (negative polarity)	160 e− RMS
Discriminator jitter	< 10 ns for E > 25 keV
Supply Voltage	2.5 V
Power consumption	190 μW / pixel
TDC resolution	95.5 ps / ADC count
TDC precision FWHM	600 ps
TDC power consumption	130 μW
Temperature sensor sensitivity	0.4 Celsius degrees
Temperature sensor consumption	60 μW