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Cooled Near-Infrared (1.2~2.2µm) 320X256 InGaAs Focal Plane Array

 

 

Product Features:

  • 320X256 Array Format
  • 28-pin Metal DIP Package
  • Embedded Thermoelectric Cooler
  • Built-in Temperature Sensor
  • 1.2 μm – 2.2 μm Spectral Range
  • Typical Pixel Operability > 98%
  • Quantum Efficiency > 65%
  • Snapshot ITR / IWR and IMRO Readout Modes
  • 1, 2 or 4 Outputs with up to 10 MHz Pixel Rate
  • windowing Capability

Applications:

  • Near-Infrared Imaging
  • Imaging Spectroscopy
  • Medical Science and Biology

SPECIFICATIONS (ITS = -40ºC)(Readings from Integrated Temperature Sensor (ITS)):

Parameters
Symbol
Test conditions
Min
Typ Max
Unit
Sensor Technology
    Planar InGaAs PIN

Actual Pixel Array
    320x256

Effective Pixel Array
    318x254

Pixel Pitch
    30
µm
Spectral Response Range
λ
  1200
  2200
nm
Dark Current(*)(**)

Pixel bias @ 0V
 
10
pA
Quantum Efficiency*Fill Factor(*)
QEFF
λ = 1.7µm
65

%
Response Nonuniformity(*)

At 50% Full Well

10
%
Response Nonlinearity(*)

15%-85% Well Occupation Range

10
%
Charge Capacity
(ROIC Specifications)


@High Gain, 13.3µV/e-

0.17
  Me-
@Low Gain, 0.7µV/e-

3.5
 
Readout Noise

ROIC Specifications


70 e-RMS
Output Swing



2.7
V
Minimum Integration Period

Assuming 5MHz Master Clock

5.5
µs
Pixel Operability(*)

Percentage of Pixels with QEFF
Deviation ± 45%*(QEFF Mean)
98
  %
Image Size
    9.6 x 7.68
mm
Package Type
    28-pin Metal DIP Package

Package Size L X W X T
    50.0 X 25.4 X 11.67
mm
Weight
    24.0
g

Note (*): Pixel Operability is defined within the center 318x254 regions.

Note (**): Low Gain, Tint = 4ms –0.01ms.

 

Absolute Maximum Ratings:

  Parameters
Min
Typ Max
Unit
  Operating Temperature
-40
  71
°C
  Storage Temperature
-40
  71
°C
  Power Consumption (*)
    175
mW
  TEC Bias
    4.8
V
  TEC Current
    1.8
A

Note (*): Without powering on the thermoelectric cooler.

 

Package Dimensions (mm):

  01
VPOS
08
DATA 15
VNEGOUT
22
VOS
  02
VDETCOM
09
FSYNC 16
OUTA
23
VBLM
  03
TEC+
10
LSYNC 17
OUTB
24
VOUTREF
  04
VPOS_CORE
11
CLK 18
OUTC
25
VCAS
  05
TEMP
12
VPD 19
OUTD
26
TEC-
  06
BWL
13
VND 20
OUTR
27
IMSTR ADJ
  07
GAIN
14
CASE GROUND 21
VPOSOUT
28
VNEG

Bias Input :

  Pin #
Bias
Voltage Current
Remark
  12
VPD
5.5V <1mA
Logic positive supply
  13
VND
0V <1mA
Logic negative supply
  21
VPOSOUT
5.5V <25mA
Output stage analog supply
  15
VNEGOUT
0V <25mA
Output stage analog ground
  1
VPOS
5.5V <5mA
Positive analog supply
  28
VNEG
0V <15mA
Negative analog supply and substrate
  4
VPOS_CORE
5.5V <15mA
CTIA amplifier positive supply
  2
VDETCOM
4.5V~5.0V <5mA
Detector common voltage
Detector bias = VDETCOM-4.5

Digital Pattern Input :

  Pin #
Clocks
Levels Rise/Fall
Remark
  11
CLK
0V~5.5V <10ns
Master clock Max. Freq.=5MHz
  9
FSYNC
0V~5.5V <10ns
Frame sync - controls frame start and integration time
  10
LSYNC
0V~5.5V <10ns
Line sync - controls line readout timing
  8
DATA
0V~5.5V <10ns
Data code input - programs device function registers in Control Mode Left open in Default Mode

  Clocks
Synchronization
  FSYNC
Rising and falling when CLK is rising
  LSYNC
Rising and falling when CLK is falling
  DATA
Rising and falling when CLK is rising

Video Output :

  Pin #
Outputs
Levels Settle
Remark
  16
OUTA
1.3V to 4.2V <50ns to 0.1%
Output A used in single output mode
  17
OUTB
1.3V to 4.2V <50ns to 0.1%
Output A and B used in two output mode
  18
OUTC
1.3V to 4.2V <50ns to 0.1%
Output A, B, C, and D used in four output mode
  19
OUTD
1.3V to 4.2V <50ns to 0.1%
Output A, B, C, and D used in four output mode
  20
OUTR
3V
Reference for common mode output

Gain & Bandwidth Selection in Default Mode :

  Pin #
Functions
Low High
Remark
  7
GAIN
0V / C=10fF 5.5V / C=210fF
Selects unit cell integration capacitor
Left open in Control Mode
  6
BWL
0V / Low BW 5.5V / High BW
Selects bandwidth limiting capacitor in unit cell
Left open in Control Mode

Advanced Function :

  Pin #
Functions
Voltages Remark
  25
VCAS(*)
3.75V CTIA amplifier cascode FET biase
  24
VOUTREF(*)
3V Output reference level during blanking period
  23
VBLM(*)
2V Detector bloom control
  27
IMSTR_ADJ(**)
0V~5.5V Adjusts analog master bias current
  22
VOS
0V~5.5V Variable Offset/Skimming Control Voltage
  5
TEMP
0V~5.5V On chip temperature monitor 0.74V at 300K
Slope=-14.8mV/10K in 50-300K

Note (*): Internally generated after bias input, but can be overridden.

Note (**): Also addressable through control register (DATA).

EXAMPLE CURVES :

TIMING CHART FOR DEFAULT MODE OPERATION :

OUTA Waveform :

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