Eastman Kodak Company - Image Sensor Solutions

For the most current information regarding this product:

Web: www.kodak.com/go/imagers Phone: (585) 722-4385 Email: imagers@kodak.com

Eastman Kodak Company

Technical Data

Kodak Digital Science KLI-8023 Image Sensor

Features

Tri-Linear Color Array 3 x 8002 pixels

9um

pixels.

12 line spacing between color channels.

Single shift register per channel.

High offband spectral rejection

Increased blue and green response

Dark reference pixels provided.

Antireflective glass.

Wide dynamic range, low noise.

Dual dynamic range mode operation.

No image lag.

Electronic exposure control.

High charge transfer efficiency.

Two-phase register clocking.

Clocks are 74ACT logic compatible.

6MHz maximum data rate.

Typical Key Specifications

Dynamic Range

> 14 bits

Output Signal

5.5V

Saturation Signal 400K electrons

PRNU 4%

Lag (first field)

0.03%

Dark Current

0.003pA/pixel

CTE per transfer

0.999995

No darkfield defects allowed

No brightfield defects allowed

Pin Description

Symbol

Description

TG1

Transfer Gate 1

TG2

Transfer Gate 2 Clock

LOGn

Exposure Control for Channel (R,G,B) 34,6,7

H1n

Phase 1 CCD Clock

19,39

H2n

Phase 2 CCD Clock

2,22

PHIR

Reset Clock

VIDn

Blue Output Video (R,G,B)

25,16,14

VDD

Amplifier Supply

VSSn

Ground Reference (R,G,B)

24,17,13

Light Shield / Exposure Drain

Output Gate

Reset Drain

SUB

Substrate / Ground

1,3,4,5,10,11,15,18,20,21

23,27,30,31,33,37,38,40

Test Input - Input Diode

Test Input - Input Gate

Revision Number: 2.0 9/17/03

SUB

H1A

SUB

N/C

LOGR

SUB

TG1

SUB

VDD

VIDR

VSSR

SUB

H2B

SUB

H2A

SUB

LOGG

LOGB

TG2

SUB

PHIR

VSSB

VIDB

SUB

VIDG

VSSG

SUB

H1B

SUB

KLI-8023 Rev. 2.0

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Eastman Kodak Company

Technical Data

Kodak Digital Science KLI-8023 Image Sensor

General Description

The KLI-8023 is a high resolution, tri-linear array designed for high-resolution color scanning applications.
Each device contains 3 rows of 8002 active photoelements, consisting of high performance 'pinned
diodes' for improved sensitivity, lower noise and the elimination of lag. The pixel height and pitch is 9
micron and the center-to-center spacing between color channels is 108 microns, giving an effective
twelve line delay between adjacent channels during imaging.
Each row is selectively covered with a red, green or blue integral filter stripe for unparalleled spectral
separation. Electronic exposure control is provided to achieve system color balance.
Readout of the pixel data for each channel is accomplished through the use of a single CCD shift register
allowing for a single output per channel with no multiplexing artifacts. Sixteen light shielded
photoelements are supplied at the output end of each channel to act as a dark reference.
Dual mode operation is provided to increase dynamic range over 14 bits uncooled with an output
saturation voltage level of 5.6 volts.
The devices are manufactured using NMOS, buried channel processing and utilize dual layer polysilicon
and dual layer metal technologies.
The die size is 74.1 mm X 1.06 mm and is housed in a custom 40-pin, 0.600" wide, dual in line package
with AR coated cover glass.
The KLI-8023 device is pin compatible with the KLI-8013 (8K trilinear) and KLI-6003 (6K trilinear) CCD
imagers that can ease transition for scanning designs. Other family of devices; KLI-10203 (10K pixel
trilinear) and the preliminary KLI-14403 (14K trilinear) are designed for a similar ease in transitional
designs.
New designs using the KLI-8023 should use a "SUB" connection for pin 27. This is the preferred
configuration.
For those applications migrating from the KLI-8013, where designs normally designated pin 27 for the
"LS" voltage bias; this configuration will NOT harm a KLI-8023. As long as pin 8 is still biased correctly for
V

, either device will function in the older design. Pin 27 is not connected inside the package on the KLI-

8023. On the other hand, for the KLI-8013, pin 27 was a second connection to the "LS" (light shield).
A monochrome version of the KLI-8023 is available. The color filters are absent from all the channels. A
monochrome response curve is included later in this specification.

Single Channel Schematic

SUB

VDD

VIDn

VSSn

PHIR

6 Blank

CCD Cells

6 Blank

CCD Cells

8002 Active Pixels

14 Test

16 Dark

TG2

TG1

LOGn

Photodiode Array

H2B

H1B

H1A

H2A

KLI-8023 Rev. 2.0

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Technical Data

Kodak Digital Science KLI-8023 Image Sensor

Image Specifications

Specifications given under nominally specified operating conditions for the given mode of operation @ 25oC, fCLK =1 MHz, AR
coverglass, color filters, and an active load as shown in Figure 4, unless otherwise specified. See notes on next page for further
descriptions.

`High Dynamic Range Mode' Operation VRD= 15V, PHIR(High) = 12V

Symbol

Parameter

Min. Nom.

Max.

Units

Remarks

Vsat Saturation

Output

Voltage

5.2

5.5

- - -

Vp-p

Notes 1, 9

deltaVo/deltaNe Output Sensitivity

- - -

µV/e-

Ne,sat

Saturation Signal Charge

- - -

400K

- - -

electrons

Responsivity

Notes 2, 9, 10

(@ 450 nm)

- - -

V/microJ/cm2

± 10 %

(@ 550 nm)

- - -

V/microJ/cm2

± 10 %

(@ 650 nm)

- - -

V/microJ/cm2

± 10 %

Dynamic Range

- - -

Note 3

DSNU

Dark Signal Non-Uniformity

- - -

0.006

0.02

DC Gain, amplifier

0.725 0.775

0.825 - - -

Idark

Dark Current

- - -

0.003

0.005 pA/pixel

Note 4

CTE

Charge Transfer Efficiency

0.999995 - - -

- - -

Note 5

Lag

- - -

0.003

0.06

1st Field

Vo,dc

DC Output Offset

Volts

Note 9

PRNU, Low

Photoresponse Non-Uniformity, Low Frequency

- - -

% p-p

Note 6

PRNU, Med

Photoresponse Non-Uniformity, Medium Frequency

- - -

% p-p

Note 7

PRNU, High

Photoresponse Non-Uniformity, High Frequency

- - -

% p-p

Note 8

Dark Def

Darkfield Defect, brightpoint

- - -

Allowed

Note 12

Bfld Def

Brightfield Defect, dark or bright

- - -

Allowed

Note 13

Exp Def

Exposure Control Defects

- - -

Allowed

Notes 11,14,15,16

`Normal Mode' Operation VRD= 11V, PHIR(High) = 6.5V

Symbol

Parameter

Min.

Nom.

Max.

Units

Remarks

Vsat

Saturation Output Voltage

2.3

2.6

- - -

Vp-p

Notes 1, 9

Ne,sat

Saturation Signal Charge

- - -

200K

- - -

electrons

Dynamic Range

- - -

Note 3

Vo,dc

DC Output Offset

5.5

7.75

Volts

Note 9

KLI-8023 Rev. 2.0

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Eastman Kodak Company - Image Sensor Solutions

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Technical Data

Kodak Digital Science KLI-8023 Image Sensor

Image Specification Notes:

1. Defined as the maximum output level achievable before linearity or PRNU performance is degraded beyond

specification

2. With color filter. Values specified at filter peaks. 50% bandwidth = ±30 nm. Color filter arrays become

transparent after 710 nm. It is recommended that a suitable IR cut filter be used to maintain spectral balance
and optimal MTF. See chart of typical responsivity later in this document.

3. As measured at 2MHz data rate. This device utilizes 2-phase clocking for cancellation of driver displacement

currents. Symmetry between PHI1 and PHI2 phases must be maintained to minimize clock noise.

4. Dark current doubles approximately every +8°C.

5. Measured per transfer. For the total line: (.999995) * 16044 = 0.9229.

6. Low frequency response is measured across the entire array with a 1000 pixel-moving window and a 5 pixel

median filter evaluated under a flat field illumination.

7. Medium frequency response is measured across the entire array with a 50 pixel-moving window and a 5 pixel

median filter evaluated under a flat field illumination.

8. High frequency response non-uniformity represents individual pixel defects evaluated under a flat field

illumination. An individual pixel value may deviate above or below the average response for the entire array.
Zero individual defects allowed per this specification.

9. Increasing the current load (nominally 4mA) to improve signal bandwidth will decrease these parameters.

10. If resistive loads are used to set current, the amplifier gain will be reduced, thereby reducing the output

sensitivity and net responsivity. (i.e. with 2.2K Ohm loads to ground, the sensitivity drops to 12.5 microvolts per
electron).

11. Defective pixels will be separated by at least one non-defective pixel within and across channels.

12. Pixels whose response is greater than the average response by the specified threshold, (16mV). See line 1 in

figure below.

13. Pixels whose response is greater or less than the average response by the specified threshold, (±10%). See

lines 2 and 3 in figure below.

14. Pixels whose response deviates from the average pixel response by the specified threshold, (4mV), when

operating in exposure control mode. See lines 4 and 5 in figure below. If dark pattern correction is used with
exposure control, the dark pattern acquisition should be completed with exposure control actuated. Dark current
tends to suppress the magnitude of these defects as observed in typical applications, hence line rate changes
may affect perceived defect magnitude. Note: Zero defects allowed for those pixels whose response deviates
from the average pixel response by a 20mV threshold.

15. Defect coordinates are available upon request.

16. The quantity and type of defects acceptable for a specific application will be negotiated with each customer.

KLI-8023 Rev. 2.0

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Eastman Kodak Company - Image Sensor Solutions

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Eastman Kodak Company

Technical Data

Kodak Digital Science KLI-8023 Image Sensor

Defective Pixel Classification

Exposure

Signal Out

Linear

response of

a typical

pixel

Linear

response of

a typical

pixel

Notes:

Dark Offset Error

2,3. Brightfield Defects; bright (2), or dark (3)
4,5. Exposure control mode defects, fast (4), or slow pixels.

Color Filter Response and Description

A filter set has been implemented for a series of tri-linear image sensors optimized for high sensitivity
color scanning. Values for the various nominal wavelength positions are shown below with
corresponding tolerances for responsivity and wavelength as indicated for Filter Group II Color Image
Sensors. See Figure 1 for clarification of parameters.

Independent of filter type, a degree of variation in the spectral response for the KLI-series tri-linear image
sensors can be expected from the natural manufacturing tolerances of the process. This variation is due
to the combined variations in filter properties (net density and filter peak wavelength position) and the
device properties (sensitivity and film thickness variations).

Values for gauging filter performance are determined from Figure 1. The center (or peak) transmission
wavelength is specified as

0, and the 50% points are given as

1 and

2, corresponding to the near

and far wavelength sides of the filter pass band.

For the red filter, only the near wavelength value is presented. The red filter, as well as the blue and
green filters, exhibits a high level of transmission beyond the 700nm (i.e., the filters become transparent).
The far wavelength edge is assumed controlled by the system IR cut filter characteristics.

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