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eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com KAF-1602E kaf- 1602e 1536 (h) x 1024 (v) pixel full-frame ccd image sensor performance specification eastman kodak company image sensor solutions rochester, new york 14650-2010 revision 1 april 3, 2001
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 2 revision no. 1 KAF-1602E table of contents 1.1 features................................................................................................................... ............................3 1.2 description................................................................................................................ ..........................3 1.3 image acquisition.......................................................................................................... .....................4 1.4 charge transport ........................................................................................................... .....................4 1.5 output structure............................................................................................................... ...................4 1.6 dark reference pixels .......................................................................................................... ..............4 1.7 dummy pixels ................................................................................................................... .................4 2.1 package drawing ............................................................................................................ ....................5 2.2 pin description ............................................................................................................ .......................6 3.1 absolute maximum ratings ................................................................................................... ............7 3.2 dc operating conditions .................................................................................................... ...............8 3.3 ac operating conditions .................................................................................................... ...............9 3.4 ac timing conditions ....................................................................................................... ................9 4.1 performance specifications ................................................................................................. .............11 4.2 typical performance characteristics ........................................................................................ ........12 4.3 defect classification...................................................................................................... ...................13 5.1 quality assurance and reliability .......................................................................................... ..........14 5.2 ordering information ....................................................................................................... .................14 revision changes ............................................................................................................... ....................15 figures figure 1 functional block diagram ................................................................................................ ....3 figure 2 packaging diagram ....................................................................................................... ........5 figure 3 packaging pin designations .............................................................................................. ....6 figure 4 recommended output structure load diagram ...................................................................8 figure 5 timing diagrams......................................................................................................... ........10
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 3 revision no. 1 KAF-1602E 1.1 features 1.6m pixel area ccd 1536h x 1024v (9 m) pixels 13.8 mm h x 9.2 mm v photosensitive area 2-phase register clocking enhanced responsivity 100% fill factor high output sensitivity (10 v/e-) low dark current (<10pa/cm 2 @ 25 o c) 1.2 description the kaf-1602 is a high performance monochrome area ccd (charge-coupled device) image sensor with 1536h x 1024v photoactive pixels designed for a wide range of image sensing applications in the 0.4nm to 1.0nm wavelength band. typical applications include military, scientific, and industrial imaging. a 74db dynamic range is possible operating at room temperature. the sensor is built with a true two-phase ccd technology employing a transparent gate. this technology simplifies the support circuits that drive the sensor and reduces the dark current without compromising charge capacity. the transparent gate results in spectral response increased ten times at 400nm, compared to a front side illuminated standard poly silicon gate technology. the sensitivity is increased 50% over the rest of the visible wavelengths. total chip size is 13.8mm x 9.2mm and is housed in a 24-pin, 0.88? wide dil ceramic package with 0.1? pin spacing. the sensor consists of 1552 parallel (vertical) ccd shift registers each 1032 elements long. these registers act as both the photosensitive elements and as the transport circuits that allow the image to be sequentially read out of the sensor. the elements of these registers are arranged into a 1536 x 1024 photosensitive array surrounded by a light shielded dark reference of 16 columns and 8 rows. the parallel (vertical) ccd registers transfer the image one line at a time into a single 1564 element (horizontal) ccd shift register. the horizontal register transfers the charge to a single output amplifier. the output amplifier is a two-stage source follower that converts the photogenerated charge to a voltage for each pixel. figure 1 - functional block diagram kaf - 1602e usable active image area 1536(h) x 1024(v) 9 x 9 m pixels 3:2 aspect ratio 1536 active pixels/line 4 dark 10 inactive vrd r vdd vout vss sub vog h1 h2 v1 v2 guard 2 inactive 12 dark 4 dark lines 4 dark lines
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 4 revision no. 1 KAF-1602E 1.3 image acquisition an electronic representation of an image is formed when incident photons falling on the sensor plane create electron-hole pairs within the sensor. these photon- induced electrons are collected locally by the formation of potential wells at each photogate or pixel site. the number of electrons collected is linearly dependent on light level and exposure time and non-linearly dependent on wavelength. when the pixel's capacity is reached, excess electrons will leak into the adjacent pixels within the same column. this is termed blooming. during the integration period, the v1 and v2 register clocks are held at a constant (low) level. see figure 5. - timing diagrams. 1.4 charge transport referring again to figure 5 - timing diagrams, the integrated charge from each photogate is transported to the output using a two step process. each line (row) of charge is first transported from the vertical ccd's to the horizontal ccd register using the v1 and v2 register clocks. the horizontal ccd is presented a new line on the falling edge of v2 while h1 is held high. the horizontal ccd's then transport each line, pixel by pixel, to the output structure by alternately clocking the h1 and h2 pins in a complementary fashion. on each falling edge of h2 a new charge packet is transferred onto a floating diffusion and sensed by the output amplifier 1.5 output structure charge presented to the floating diffusion (fd) is converted into a voltage and current amplified in order to drive off-chip loads. the resulting voltage change seen at the output is linearly related to the amount of charge placed on fd. once the signal has been sampled by the system electronics, the reset gate ( r) is clocked to remove the signal and fd is reset to the potential applied by vrd. more signal at the floating diffusion reduces the voltage seen at the output pin. in order to activate the output structure, an off-chip load must be added to the vout pin of the device - see figure 4. 1.6 dark reference pixels surrounding the peripheral of the device is a border of light shielded pixels. this includes 4 leading and 12 trailing pixels on every line excluding dummy pixels. there are also 4 full dark lines at the start of every frame and 4 full dark lines at the end of each frame. under normal circumstances, these pixels do not respond to light. however, dark reference pixels in close proximity to an active pixel, or the outer bounds of the chip (including the first two lines out), can scavenge signal depending on light intensity and wavelength and therefore will not represent the true dark signal. 1.7 dummy pixels within the horizontal shift register are 10 leading and 2 trailing additional shift phases that are not associated with a column of pixels within the vertical register. these pixels contain only horizontal shift register dark current signal and do not respond to light. a few leading dummy pixels may scavenge false signal depending on operating conditions
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 5 revision no. 1 KAF-1602E 2.1 package drawing figure 2 - package drawing
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 6 revision no. 1 KAF-1602E 2.2 pin description pin symbol description pin symbol description 1 vog output gate 13 n/c no connection (open pin) 2 vout video output 11, 14 vsub substrate (ground) 3 vdd amplifier supply 15, 16, 21, 22 v1 vertical ccd clock - phase 1 4 vrd reset drain 17, 18, 19, 20 v2 vertical ccd clock - phase 2 5 r reset clock 23 guard guard ring 6 vss amplifier supply return 24 n/c no connection (open pin) 7 h1 horizontal ccd clock - phase 1 8 h2 horizontal ccd clock - phase 2 9, 10, 12 n/c no connection (open pin) figure3 - packaging pin designations pin 1 pixel 1,1 1 2 3 4 5 6 7 8 9 10 11 12 vog vout vdd vrd r 24 23 22 21 20 19 18 17 16 15 14 13 guard v1 v1 vsub v2 v2 v2 v2 v1 h2 h1 vss v1 n /c n /c n /c n /c n /c n /c
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 7 revision no. 1 KAF-1602E 3.1 absolute maximum ratings description symbol min. max. units notes diode pin voltages vdiode 0 20 v 1, 2 gate pin voltages - type 1 vgate1 -16 16 v 1, 3 gate pin voltages - type 2 vgate2 0 16 v 1, 4 inter-gate voltages vg-g 16 v 5 output bias current iout -10 ma 6 output load capacitance cload 15 pf 6 storage temperature t 100 o c humidity rh 5 90 % 7 notes: 1. referenced to pin vsub. 2. includes pins: vrd, vdd, vss, vout. 3. includes pins: v1, v2, h1, h2. 4. includes pins: r, vog. 5. voltage difference between overlapping gates. includes: v1 to v2, h1 to h2, v2 to h1, h2 to vog. 6. avoid shorting output pins to ground or any low impedance source during operation. 7. t=25 c. excessive humidity will degrade mttf. caution: this device contains limited protection against electrostatic discharge (esd). devices should be handled in accordance with strict esd control procedures for class 1 devices.
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 8 revision no. 1 KAF-1602E 3.2 dc operating conditions description symbol min. nom. max. units max dc current (ma) notes reset drain vrd 10.5 11 11.5 v 0.01 output amplifier return vss 1.5 2.0 2.5 v -0.5 output amplifier supply vdd 14.5 15 15.5 v iout substrate vsub 0 0 0 v 0.01 output gate vog 3.75 4 5 v 0.01 guard ring guard 8.0 9.0 12.0 v 0.01 video output current iout -5 -10 ma - 1 notes: 1. an output load sink must be applied to vout to activate output amplifier - see figure below. +15v 0.1uf vout buffered output 1k ? 140 ? 2n3904 or equivalent ~5ma figure 4 - example output structure load diagram
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 9 revision no. 1 KAF-1602E 3.3 ac operating condition description symbol level min. nom. max. units effective capacitance notes vertical ccd clock - phase 1 v1 low high -10.5 0 -10.0 0.5 -9.5 1.0 v v 21 nf (all ? v1 pins) vertical ccd clock - phase 2 v2 low high -10.5 0 -10.0 0.5 -9.5 1.0 v v 21 nf (all ? v2 pins) horizontal ccd clock - phase 1 h1 low high -5.0 5.0 -4.0 6.0 -3.5 6.5 v v 200pf horizontal ccd clock - phase 2 h2 low high -5.0 5.0 -4.0 6.0 -3.5 6.5 v v 200pf reset clock r low high -3.0 3.5 -2.0 4.0 -1.75 5.0 v v 5pf notes: 1. all pins draw less than 10ua dc current. 2. capacitance values relative to vsub. 3.4 ac timing conditions description symbol min. nom. max. units notes h1, h2 clock frequency f h 10 15 mhz 1, 2, 3 v1, v2 clock frequency f v 100 125 khz 1, 2, 3 pixel period (1 count) t e 67 100 ns h1, h2 setup time t hs 0.5 1 us v1, v2 clock pulse width t v 45 us 2 reset clock pulse width t r 10 20 ns 4 readout time t readout 121 178 ms 5 integration time t int 6 line time t line 117.4 172.5 us 7 notes: 1. 50% duty cycle values. 2. cte may degrade above the nominal frequency. 3. rise and fall times (10/90% levels) should be limited to 5-10% of clock period. cross-over of register clocks should be between 40-60% of amplitude. 4. r should be clocked continuously. 5. t readout = ( 1032 * t line ) 6. integration time is user specified. longer integration times will degrade noise performance. 7. t line = ( 3* t v ) + t hs + ( 1564 * t e ) + t e
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 10 revision no. 1 KAF-1602E frame timing treadout line 1 2 1031 1032 1 frame = 1032 lines v1 v2 h1 h2 tint pixel timing detail r h1 h2 vout t r vsa t vdar k vsub vodc 1 count te line timing detail 1 line = 1564 pixels v1 v2 h1 h2 r 1564 counts t hs te t v t v v p ix line content photoactive pixels dark reference pixels dummy pixels 1-10 11-14 15 - 1550 1551-1562 1563-1564 vsat saturated pixel video output signal vdark video output signal in no light situation, not zero due to jdark vpix pixel video output signal level, more electrons =more negative* vodc video level offset with respect to vsub vsub analog ground * see image aquisition section (page 4) figure 5 - timing diagrams
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 11 revision no. 1 KAF-1602E 4.1 performance specifications all values measured at 25 c, and nominal operating conditions. these parameters exclude defective pixels. description symbol min. nom. max. units notes saturation signal vertical ccd capacity horizontal ccd capacity output node capacity nsat 85000 170000 190000 100000 200000 220000 120000 240000 240000 electrons / pixel 1 red quantum efficiency ( =650nm) green quantum efficiency ( =550nm) blue quantum efficiency ( =450nm) blue quantum efficiency ( =400nm) rr rg rb rb 400 49 41 32 24 60 50 40 30 70 59 47 35 % % % % photoresponse non-linearity prnl 1 2 % 2 photoresponse non-uniformity prnu 1 3 % 3 dark signal jdark 20 4 50 10 electrons / pixel / sec pa/cm 2 4 dark signal doubling temperature 5 6.3 7.5 o c dark signal non-uniformity dsnu 15 50 electrons / pixel / sec 5 dynamic range dr 72 74 db 6 charge transfer efficiency cte 0.99997 0.99999 output amplifier dc offset vodc 9.5 10.5 11.5 v 7 output amplifier bandwidth f -3db 45 mhz 8 output amplifier sensitivity vout/ne~ 9 10 11 uv/e~ output amplifier output impedance zout 175 200 250 ohms noise floor ne~ 15 20 electrons 9 notes: 1. for pixel binning applications, electron capacity up to 330000 can be achieved with modified ccd inputs. each sensor may have to be optimized individually for these applications. some performance parameters may be compromised to achieve the largest signals. 2. worst case deviation from straight line fit, between 1% and 90% of vsat. 3. one sigma deviation of a 128x128 sample when ccd illuminated uniformly. 4. average of all pixels with no illumination at 25 o c.. 5. average dark signal of any of 12 x 8 blocks within the sensor. (each block is 128 x 128 pixels) 6. 20log ( nsat / ne~) at nominal operating frequency and 25 o c. 7. video level offset with respect to ground 8. last output amplifier stage only. assumes 10pf off-chip load. 9. output noise at 25 o c, nominal operating frequency, and tint = 0.
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 12 revision no. 1 KAF-1602E 4.2 typical performance characteristics spectral response KAF-1602E 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 350 450 550 650 750 850 950 1050 wavelength (nm) absolute quantum efficienc y
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 13 revision no. 1 KAF-1602E 4.3 cosmetic classification all tests performed at t=25 o c class point defects cluster defects column defects total zone a total zone a total zone a c1 5 2 0000 c2 10 5 4 2 00 c3 20 10 8 4 4 2 1536,1024 1,1 1536,1 1,1024 368,212 1168,212 1168,812 368,812 zone a center 800 x 600 pixels point defect dark: a pixel which deviates by more than 6% from neighboring pixels when illuminated to 70% of saturation, or bright: a pixel with dark current > 5000 e/pixel/sec at 25c. cluster defect a grouping of not more than 5 adjacent point defects column defect a grouping of >5 contiguous point defects along a single column, or a column containing a pixel with dark current > 12,000e/pixel/sec, or a column that does not meet the minimum vertical ccd charge capacity, or a column that loses more than 250e under 2ke illumination. neighboring pixels the surrounding 128 x 128 pixels or 64 columns/rows. defect separation column and cluster defects are separated by no less than two (2) pixels in any direction (excluding single pixel defects). defect region exclusion defect region excludes the outer two (2) rows and columns at each side/end of the sensor.
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 14 revision no. 1 KAF-1602E 5.1 quality assurance and reliability 5.1.1 quality strategy: all devices will conform to the specifications stated in this document. this is accomplished through a combination of statistical process control and inspection at key points of the production process. 5.1.2 replacement: all devices are warranted against failure in accordance with the terms of terms of sale. 5.1.3 cleanliness: devices are shipped free of contamination, scratches, etc. that would cause a visible defect. 5.1.4 esd precautions: devices are shipped in a static-safe container and should only be handled at static-safe workstations. 5.1.5 reliability: information concerning the quality assurance and reliability testing procedures and results are available from the image sensor solutions and can be supplied upon request. 5.1.6 test data retention: devices have an identifying number of traceable to a test data file. test data is kept for a period of 2 years after date of shipment. 5.2 ordering information address all inquiries and purchase orders to: image sensor solutions eastman kodak company rochester, new york 14650-2010 phone: (716) 722-4385 fax: (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com kodak reserves the right to change any information contained herein without notice. all information furnished by kodak is believed to be accurate. warning: life support applications policy kodak image sensors are not authorized for and should not be used within life support systems without the specific written consent of the eastman kodak company. product warranty is limited to replacement of defective components and does not cover injury or property or other consequential damages.
eastman kodak company ? image sensor solutions - rochester, ny 14650-2010 phone (716) 722-4385 fax (716) 477-4947 web: www.kodak.com/go/ccd e-mail: ccd@kodak.com 15 revision no. 1 KAF-1602E revision changes: revision number description of changes 0 initial formal version. 1 removed available part numbers. added revision changes

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