Teledyne Everywhereyoulook CCD261-04 Quick Start Manual Download Page 9 | Manualshive

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Teledyne Everywhereyoulook CCD261-04 Quick Start Manual Download Page 9

© Teledyne UK Limited 2020

Document subject to disclaimer on page 1

A1A-795787 Version 1, page 9

OUTPUT CIRCUIT

NOTES

18) The amplifier has a DC restoration circuit, which is activated internally whenever IØ3 is pulsed high.

C

N

OG

FSS

First stage

load

0V

OS

OD

ØR

RD

Output

IØ3

External

load

SW

RØ2

RØ1

BSS

Reset

Clamp

Signal charge

Node

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Summary of Contents for Everywhereyoulook CCD261-04

Page 1: ...response Advanced Inverted Mode Operation AIMO INTRODUCTION The CCD261 04 is a full frame spectroscopic format sensor product from Teledyne e2v The CCD261 04 has 2048 H x 264 V elements Each element is 15 µm square Standard three phase clocking and buried channel charge transfer are employed and Advanced Inverted Mode Operation AIMO is included as standard Teledyne e2v s AIMO structure gives a 100...

Page 2: ... 3 The quoted maximum frequencies assume a 20pF load and that correlated double sampling is being used 4 This max pixel rate limit refers to that set by the output amplifier 5 Photo Response Non Uniformity PRNU is defined as the local 1σ variation in photo response to flat field illumination Any pixels classed as dark defects at high light level are omitted from the analysis 6 The quoted dark sign...

Page 3: ...al at the test temperature Black spots A dark defect at high light level is defined as any pixel whose mean photo response is less than 90 of the local mean at a signal level of approximately 50 of image full well capacity White Column defects A Bright Columns in Darkness is defined as 9 or more consecutive pixels in any column whose mean response in darkness exceeds 10 times the specification for...

Page 4: ... Teledyne UK Limited 2020 Document subject to disclaimer on page 1 A1A 795787 Version 1 page 4 TYPICAL VARIATION OF DARK SIGNAL WITH TEMPERATURE DEVICE SCHEMATIC Not all connections are shown ...

Page 5: ...junction with BSS voltage to minimise leakage currents 13 There is an interdependence between the FSS BSS image section voltages and line transfer time If one of these parameters is changed then it is often required to change one of the others 14 If all voltages are set to the typical values operation at or close to specification should be obtained Some adjustment within the minimum maximum range ...

Page 6: ...roperly It is therefore advised to first set both FSS and BSS to 0V then switch on the guard drain and all other biases and clocks in the order stated below before applying any negative bias to BSS The recommended power up order of all biases and clocks is listed in the table below BIAS CLOCK LABEL POWER UP ORDER Comment Front Substrate FSS 1 Set to 0V at this stage Back Substrate BSS 1 Set to 0V ...

Page 7: ... Teledyne UK Limited 2020 Document subject to disclaimer on page 1 A1A 795787 Version 1 page 7 FRAME READOUT TIMING DIAGRAM DETAIL OF LINE TRANSFER Not to scale ...

Page 8: ...5 20 Note 15 µs tdri Delay time RØ stop to IØ start 5 20 Note 15 µs Tr Output register clock cycle period 1 2 Note 16 µs trr Register pulse rise time 10 to 90 50 90 Note 17 ns tfr Register pulse fall time 10 to 90 50 90 Note 17 ns tor Register pulse overlap 50 20 120 Note 17 ns twx Reset pulse width 30 170 Note 17 ns trx Reset pulse rise and fall times 20 80 Note 17 ns tdx Delay time ØR low to RØ3...

Page 9: ...1 A1A 795787 Version 1 page 9 OUTPUT CIRCUIT NOTES 18 The amplifier has a DC restoration circuit which is activated internally whenever IØ3 is pulsed high CN OG FSS First stage load 0V OS OD ØR RD Output IØ3 External load SW RØ2 RØ1 BSS Reset Clamp Signal charge Node ...

Page 10: ... Teledyne UK Limited 2020 Document subject to disclaimer on page 1 A1A 795787 Version 1 page 10 PACKAGE All dimensions are nominal and are in mm ...

Page 11: ...the high positive substrate voltage required to achieve surface potential pinning and reduce dark signal further reduces the achievable depletion depth The use of a lower or negative substrate bias on the back of the silicon VBSS to increase the depth of depletion under the electrodes whilst still maintaining a bias on the front surface of the silicon VFSS at a voltage level normally used for VSS ...

Page 12: ...c handling precautions should be taken whenever using a CCD sensor or module These include Working at a fully grounded workbench Operator wearing a grounded wrist strap All receiving socket pins to be positively grounded Unattended CCDs should not be left out of their conducting foam or socket Evidence of incorrect handling will invalidate the warranty HIGH ENERGY RADIATION Device characteristics ...

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