Products » VATA461


32 CSA (±5.5 fC), S&H, 10bit ADC per channel, outputs digitized pulse height and trigger

Keywords: ASTRO-H, hard x-ray imager (HXI)

Product Features

DetectorsCdTe, CZT
ApplicationImaging, Spectroscopy, Tracking
Number of inputs32
Input charge range±5.5 fC
Shaping time3 μs (VA), 0.6μs/1.2μs (TA)
Nominal capacitive load6 pF
Equivalent Noise Charge (ENC)77e at nominal capacitive load
Trigger thresholdAdjustable
Trigger outputsCommon trigger output for all channels
OutputsSerial digitized pulse height
Test and calibrationCalibration circuit and ADC test circuit
Power consumption1mW / channel


  • M. Kokubun, et al., 2010, "Hard x-ray imager (HXI) for the ASTRO-H Mission", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 773215 (30 July 2010), DOI: 10.1016/j.nima.2014.05.127