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PSIROC

PIN Diodes, Silicon Strips amnd GEMs Read-Out Chip

Datasheet
Photo of PSIROC

  • Optimized for GEMs, PIN diodes, Silicon strips

  • Number of channels: 64

  • Outputs: 2 outputs per channel (either : 64 LVDS triggers, 2 x 64 TTL triggers, 64 TTL triggers and 64 analog outputs), 2 multiplexed analogue outputs, 3 NOR64 trigger outputs

  • Input Polarity : Positive, Negative

Psiroc is a 64-channel front-end ASIC designed to readout PIN diodes, silicon strips and GEMs, handling detector capacitances ranging from 0 up to few hundreds of pF.

Psiroc allows triggering down to 0.5 fC on sub-20pF detector capacitances and provides dual-gain energy measurement with excellent Signal-to-Noise Ratio on the high gain (SNR over 10 for 0.5 fC) and large dynamic range on the low gain. For input signals over few pC a channel-wise ToT output is also available. Psiroc can be programmed to output the shapers HG/LG, individual triggers or ToT signals (two output pins per channels). The preamplifier gain is adjustable from 125 mV/pC up to 4 V/pC.

Charge measurement is done with peak detectors but those can be used in a track & hold fashion thanks to an internal delay cell. Analog data are outputted on two multiplexed analog output and can be read-out with an external ADC. Shapers shaping time can be adjusted from 20 ns to 3 µs with a step of 20 ns up to 300 ns and a step of 200 ns up to 3 µs. Data acquisition can be done ASIC wide or channel-wise.

Channel-by-channel calibration on the trigger thresholds for time trigger and ToT can be done with individual 6-bit DACs.

Ordering Options

Code Description
WWPSIROC1BAA

PSIROC 1 – PIN Diodes, Silicon Strips amnd GEMs Read-Out Chip

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    Image
    Name
    Package
    No. of Channels
    Compatible Detectors
    Input Polarity
    Main Applications
    Time Measurement
    TRIROC 1A
    Discontinued

    TRIROC 1A

    TFBGA353

    64

    SiPM, SiPM array

    Negative, Positive

    PHA, ToF, Timing

    TDC

    GEMROC 1
    Discontinued

    GEMROC 1

    PQFP160

    64

    Micromegas GEMS

    Negative

    PHA, Timing

    Trigger-based

    PETIROC 2A
    Discontinued

    PETIROC 2A

    TQFP208, TFBGA353

    32

    SiPM, SiPM array, RPCs

    Negative, Positive

    PHA, ToF, Timing

    TDC

    CATIROC 1
    Discontinued

    CATIROC 1

    TQFP208

    16

    PMT, PMT array

    Negative

    PHA, Timing, Zero suppression

    TDC

    PSIROC
    New

    PSIROC

    BGA516

    64

    PIN diodes, Silicon strips, GEMs

    Negative, Positive

    PHA, Energy mass.

    Trigger-based

    CITIROC 1A
    Discontinued

    CITIROC 1A

    PQFP160, TFBGA353

    32

    SiPM, SiPM array

    Positive

    PHA, Photon Counting

    Trigger-based

    MAROC 3A
    Discontinued

    MAROC 3A

    TFBGA353

    64

    MA-PMT, PMT, SIPM, SiPM array

    Negative

    PHA, Photon counting

    Trigger-based

    LIROC 1
    New

    LIROC 1

    BGA516

    64

    SIPM, SiPM array

    Negative, Positive

    PHA, Photon counting

    Trigger-based

    POPROC

    POPROC

    BGA516

    64

    MA-PMT, PMT

    Negative

    PHA, Photon counting

    Trigger-based

    RADIOROC 2
    Coming Soon

    RADIOROC 2

    BGA516

    64

    SIPM, SiPM array

    Positive

    PHA, Photon counting

    Time and Charge (trigger)

    Technical Specifications

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    Detector Read-Out

    PIN Diodes, Silicon strips, GEMs

    Number of Channel

    64

    Signal Polarity

    Positive and Negative

    Sensitivity

    Trigger on 0.5 fC on both polarity

    Timing Resolution

    < 150 ps RMS @ Qin = 4 fC ; Cd/Cf = 20p/1p (pa gain = 1 V/pC)

    Dynamic Range

    Up to 5 pC with low gain charge measurement and up to 100 pC with ToT

    Packaging & Dimension

    BGA 20×20 mm2

    Power Consumption

    350 mW – Supply voltage : 1.2 V

    Inputs

    64 analogue inputs

    Outputs

    • 2 outputs per channel, either :

      • 64 LVDS triggers

      • 2 x 64 TTL triggers

      • 64 TTL triggers and 64 analog outputs

    • 2 multiplexed analogue outputs

    • 3 NOR64 trigger outputs

    Internal Programmable Features

    • 3 trigger threshold tuning (10bits)

    • channel-by-channel gain and shaping time adjustment (Ï„ = 20 ns to 3 µs)

    • individual trigger masking and cell powering

    Evaluation systems

    • Evaluation board

    • Psiroc + PicoTDC evaluation system