IMAGE SENSOR Flat panel sensor C9728DK-10 Cassette type X-ray sensor with USB 2.0 interface Features Applications l Low noise: 80 electrons l High quality image: 1032 × 1032 pixels l Pixel size: 50 × 50 µm l Digital output: 14-bit USB 2.0 interface l High-speed imaging: 3 frames/s l Supports HAMAMATSU API (DCAM-API). l Diffraction l Radiography ■ Block diagram PIXEL NUMBER 1 2 1055 1056 1057 2111 2112 PHOTODIODE ARRAY WITH DIRECTLY DEPOSITED CsI SCINTILLATOR 1115135 AMP ARRAY No. 1 VERTICAL SHIFT REGISTER C9728DK-10 is a lightweight and compact flat panel sensor consisting of a sensor board and a control board. The sensor board also has 8 charge-sensitive amplifier arrays each having 132 channel amplifiers with a horizontal shift register. Analog video signals are amplified as the charge on each video line by 1056 ch charge amplifiers with CDS (Correlated Double Sampling) circuits added, and are output each of 8 amplifier arrays. 1115136 EXTERNAL POWER SUPPLY A.vdd, D.vdd V (not attached) TIMING PULSE GENERATOR AMP ARRAY No. 8 OSCILLATOR TrgIn TrgOut BIAS GENERATOR BUFFER AMP PROCESSING AMP A/D FIFO USB IC BUFFER AMP PROCESSING AMP A/D VIDEO DATA FLAT PANEL CONTROL (USB2.0 INTERFACE) FIFO Note: Signals are read out in order of pixel number. KACCC0268EB PRELIMINARY DATA Oct. 2007 1 Flat panel sensor C9728DK-10 ■ General ratrings Parameter Pixel size Photodiode area Number of pixels Number of active pixels Readout Video output TrgIn, TrgOut Scintillator Specification 50 × 50 52.8 × 52.8 1056 × 1056 1032 × 1032 Charge amplifier array USB 2.0 14-bit TTL CsI Unit µm mm pixels pixels - ■ Absolute maximum ratings (Ta= 25 °C) Parameter Supply voltage for digital circuitry (+5 V) Supply voltage for analog circuitry (+5 V) Input voltage Operating temperature *1 Storage temperature *1 *1: No condensation Symbol D.vdd A.vdd Vin Topr Tstg Value +6.0 +6.0 0 to 6.0 0 to +35 0 to +50 Unit V V V °C °C ■ Specification (Ta=25 °C, A.vdd=5.0 V, D.vdd=5.0 V) Parameter Symbol Min. Typ. Max. Unit Frame rate (single operation) Sf (int) 2.85 3 frame/s Frame rate external (single operation) Sf (ext) Sf (int) to 0.1 frame/s Noise (rms) *2 N (rms) 80 electrons Sensitivity *3 S 360 450 LSB/mR Saturation charge Csat 0.45 M electrons Resolution *4 Reso 9 10 line pairs/mm Dynamic range 5600 Defect line *5 10 lines Output offset *6 260 800 LSB *2: Internall trigger mode, single operation *3: 25 kVp (Mo target X-ray source), without filter *4: Spatial frequency at CTF=5 % *5: A defect line is a horizontal or vertical line containing 4 or more pixels that produce less than 1/8 of the average output from surrounding pixels and are formed continuously from the opposite side of a horizontal shift register or a vertical shift register. *6: Average of all active pixels in single operation at Sf (int) Note: X-ray energy range is less than 18 keV. ■ Resolution (Ta=25 ˚C, A.vdd=5.0 V, D.vdd=5.0 V) 100 90 80 CTF (%) 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10 SPATIAL FREQUENCY (line pairs/mm) KACCB0149EA 2 Flat panel sensor C9728DK-10 ■ System requirements To operate C9728DK-10 at full performance, the following system and peripherals are required. · PC: IBM full compatible PC with USB 2.0 running on Windows XP. The south bridge of on-board Intel chip set should be ICH4 or later. · Power source: A.vdd = +5.0 ± 0.1 V (600 mA), D.vdd = +5.0 ± 0.1 V (900 mA) Please use a low noise series power supply. (Avoid using a switching power supply.) A pigtail power cable (terminated with a JST J-C9-2C plug at one end and open at the other end; 2 m; see Table 1.), an trigger cable (terminated with an FGG.0B. 304. CLAD56 plug at one end and open at the other end; 5 m; see table 2.) and an earth cable (AWG 18; 4 m) come supplied with C9728DK10. The voltages described above are specified at the flat panel sensor side. The impedance of the power cable attached with the flat panel sensor is low enough but it causes 0.1 V approx. drop. Therefore the voltage at the power source side should be set 0.1 V higher than the voltage specified above. Install a noise filter on the AC power input line to prevent surges on the AC line. DCAM-API (Digital Camera Application Programming Interface) produced by HAMAMATSU supports C9728DK-10. The driver software and DLL are included in DCAM-API. The latest version of the DCAM-API can be downloaded from http://www.dcamapi.com/ . DCAM-SDK which includes function manual and sample software can be provided only for OEM customer. The USB receptacle is mini-B type. The mini-B USB cable is not attached. The earth terminal must be connected to a stable earth point to eliminate noise from surroundings. Table 1: Pin assignment and cable color for 9-pin power receptacle Pin No. Color 1 Yellow 2 Blue 3 Gray 4 Black 5 Red 6 Green 7 Purple 8 White 9 Brown 9-pin receptacle: DE-9PF-N made by JAE (Japan Aviation Electronics Industry, Limited) Mating plug: JST J-C9-2C made by J.S.T. Mfg. Co., Ltd. Signal Digital GND Digital GND Analog GND Analog GND Analog GND Digital +5 V Digital +5 V Analog +5 V Analog +5 V Table 2: Pin assignment and color cable for 4-pin trigger cable Pin No. Color 1 Blue 2 Orange 3 Green 4 Brown 4-pin receptacle: ECG. 0B. 304. CLL made by LEMO S. A. Mating plug: FGG. 0B. 304. CLAD56 made by LEMO S. A. Signal TrgIn Digital GND TrgOut Digital GND Twist pair Twist pair 7 8.1 8.1 23.5 12.5 25 12.5 14.5 158 * 193 FRAME GND CMOS FLAT PANEL SENSOR C9728DK-10 31 USB 18.5 POWER TRG. SOURCE I/O 9 ■ Dimensional outline (unit: mm, tolerance: ±1 mm unless otherwise noted) ACTIVE AREA 51.6 30 * (6 ×) M3 DEPTH 8 108 C1.3 151 * 57.5 * 2.5 * (0, 0) 1.7 ACTIVE AREA 51.6 261 * (1031, 1031) 266 Top cover material including window is carbon fiber (1.0 mm thickness). Weight: 1.3 kg * ±0.5 KACCA0227EA 3 Flat panel sensor C9728DK-10 ■ Notice · Do not subject the Flat Panel Sensors to strong vibration or shock. (Strong shock such as drop impacts may cause permanent damage to these sensors.) · Users must take responsibility for implementing X-ray shielding safety measures to avoid the risk of X-ray exposure. · The specification listed in this datasheet is defined at the time of shipment. Characteristics may vary somewhat due to exposure to X-rays so take proper countermeasures such as making periodic image correction. · This product is warranted for a period of 12 months after the date of the shipment. The warranty is limited to replacement or repair of any defective product due to defects in workmanship or materials used in manufacture. The warranty does not cover loss or damage caused by natural disaster, misuse (including modifications and any use not complying with the environment, application, usage and storage conditions described in this datasheet), or total radiation dose over 45000 Roentgen (less than 18 keV) even within the warranty period. Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2007 Hamamatsu Photonics K.K. HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, www.hamamatsu.com U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741 Cat. No. KACC1147E01 Oct. 2007 DN 4