RPC and gaseous detector semi-digital read-out chip
HARDROC 3B is a 64-channel front-end ASIC designed to readout negative fast (<1ns) and short (<10ns) current pulses from various detectors (Resistive Plate Chambers, Multi Anode Photo Multipliers, …). HARDROC 3B provides a semi-digital readout with three thresholds tunable between 10 fC up to 10 pC and integrates a 8-depth digital memory per channel to store the 2 encoded outputs of the 3 discriminators upon channel trigger. The three thresholds are set by three integrated 10-bit DACs. The gain of each channel can be tuned individually from 0 to 2 over 8 bits, allowing the compensation of non-uniformity between the 64 detector channels. Each channel is trigger-wise independent and can auto-trigger on signal down to 10 fC. A multiplexed charge measurement allows linear analogue measurement up to 30pC.
The power consumption is 2.5 mW/channel and the chip can be fully power-pulsed allowing a significant power reduction by disabling unused blocks.
|TRL Technology Readiness Level||9 - Full system runing ASIC, reliability proven - learn more|
|Detector Read-Out||RPC, MA-PMT|
|Number of Channel||64|
|Sensitivity||Trigger on 10 fC with 100% efficiency|
|Timing Resolution||Time stamping 200ns|
|Dynamic Range||30 pC|
|Packaging & Dimension||
2.5 mW /ch, power supply: 3.3V
|Inputs||64 current inputs|
|Internal Programmable Features||