Irradiation : Dose Summary Table

Tests Performed by the LHCb Group at LAL

 

Part Date Irradiation Conditions Dose (krad) Observations

Calo FE Shaper

 

July 2, 2001

CPO (Orsay)

Proton : 200 MeV, 108 s-1.cm-2

22.6

No effect

10.7

No effect

12.3

No effect

11.7

No effect

December 9, 2001

GANIL (Caen)

Krypton : 58MeV/A

22.9

No effect

23.9

Small current increase (from 43mA to 52mA) observed at the end of the run (~22krad). After shutdown, current returned to nominal value.

Transmitter

DS90CR215

December 14, 2001

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

Receiver

DS90CR216

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

Transmitter

DS90CR483

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

Receiver

DS90CR484

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

FPGA Actel

A54SX32A

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

FPGA Xilinx

XCV50 PQ240AF

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

Test RAM

IDT71V016SA

GANIL (Caen)

Krypton : 58MeV/A

6.5

No effect

Calo Delay Chip

April 22-23, 2003

GANIL (Caen)

Krypton 78 : 73MeV/A

28.8

2 parts irradiated simultaneously. No effect

24.2

2 parts irradiated simultaneously. No effect

DS92LV010A

GANIL (Caen)

Krypton 78 : 73MeV/A

28.8

2 parts irradiated simultaneously. No effect

24.2

2 parts irradiated simultaneously. No effect

SN65MLVD200

GANIL (Caen)

Krypton 78 : 73MeV/A

28.8

2 parts irradiated simultaneously. No effect

24.2

2 parts irradiated simultaneously. No effect

Transistor NPN

NE856

GANIL (Caen)

Krypton 78 : 73MeV/A

24.2 + 28.8 =

53.0

4 parts irradiated simultaneously. No effect

Russia (Moscow)

125

Small current increase at high dose level (?)

QuadBuffer

74F125

GANIL (Caen)

Krypton 78 : 73MeV/A

24.2

2 parts irradiated simultaneously. No effect

PROM

AT17LV65

GANIL (Caen)

Krypton 78 : 73MeV/A

28.8

2 parts irradiated simultaneously. No effect

Current Amplifier

AD 8011

June 30 - July 1, 2003

GANIL (Caen)

Krypton 86 : 43.5MeV/A

91.0

2 parts irradiated simultaneously. No effect

Power Switch

MAX 869L

GANIL (Caen)

Krypton 86 : 43.5MeV/A

91.0

2 parts irradiated simultaneously. No effect

Oscillator 40MHz

JAUCH 0-40.0-VX3MH

June 23, 2005

PSI (Zurich)

Proton 60 MeV, 109 s-1.cm-2

147

Component failure at 16krad. Consumption drops to very small value. No recovery after beam shutdown.

PROM PCF 8582

147

Continuous current increase at 14krad. Slow recovery observed if the beam is switched off.

SN65LVDS32

147

Continuous current increase at 30krad. Slow recovery observed if the beam is switched off.

DS92LV090

147

No effect.

SN65LVDS104

100

400

2 parts irradiated simultaneously. No effect.

2 parts irradiated simultaneously. No effect.

DS90LVDS001

100

400

2 parts irradiated simultaneously. No effect.

2 parts irradiated simultaneously. No effect.

ACTEL

APA 150

December and March 2006 CPO

Protons 187 MeV

40

Bad functionning appeared after 30 krad

Program reloading seems to break the components after 20krad (One week in an oven ~100° leads to recovery).

ACTEL

APA 300

40

Bad functionning appeared after 30 krad

Program reloading seems to break the components after 20krad (One week in an oven ~100° leads to recovery).

Tests Performed by ATLAS or other groups

 

Part ref Date Dose (krad) Observations
1N4004 CERN regulator ? ? Diode used for the rad hard CERN regulators
74LVC10AD DB ATLAS 25/02/02 42 No SEE observed
AD8042        
DS90LV048 DB ATLAS Oct. 2000 70 no failure observed (no upset, no latch-up, no burnout, no current increase)

 

  Frédéric Machefert

Last Modification : 09/11/2007