Hamamatsu C7942CA-02 Acquire digital x-ray image in real time and 170 & 176 mm diagonal size Datasheet

IMAGE SENSOR
Flat panel sensor
C7942CA-02, C7943CA-02
Acquire digital X-ray image in real time and 170 & 176 mm diagonal size
Flat panel sensors C7942CA-02 and C7943CA-02 are digital X-ray image sensors newly developed as key devices for non-destructive inspection,
biochemical imaging, X-ray microscopy and other real-time X-ray imaging applications requiring high resolution and high image quality.
Features
Applications
l C7942CA-02: 2400 × 2400 pixels
C7943CA-02: 1248 × 1248 pixels
l Digital output (12-bit)
l High-speed imaging:
l Non-destructive inspection
l Digital X-ray photography
C7942CA-02: 2 frames/s (single operation)
9 frames/s (4 × 4 binning)
C7943CA-02: 7 frames/s (single operation)
30 frames/s (4 × 4 binning)
l Low noise and wide dynamic range
l Compact package
l Easy use
■ Block diagram (C7942CA-02)
PIXEL NUMBER
1 2
2339 2400
2401
4799 4800
SCINTILLATOR
(120 × 120 mm)
PHOTODIODE
ARRAY
5759999
AMP ARRAY No. 1
VERTICAL SHIFT REGISTER
C7942CA-02 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 300 ch amplifiers with a horizontal shift register. Analog video signals
are amplified as the charge on each video line by 2400 ch charge amplifiers with CDS (Correlated Double Sampling) circuits
added, and are output each of 8 amplifier arrays. The control board converts the analog video signal into a 12-bit digital signal and
outputs it to an external frame grabber through the 12-bit parallel port.
5760000
EXTERNAL POWER SUPPLY
A.vdd, D.vdd, V (±7.5)
(not attached)
IntExt
BINNING
(bin0, bin1)
TIMING
PULSE
GENERATOR
AMP ARRAY No. 8
OSCILLATOR
ExtTrgLemo
ExtTrgGrb
Vsync
Hsync
Pclk
BIAS
GENERATOR
BUFFER
AMP
PROCESSING
AMP
BUFFER
AMP
PROCESSING
AMP
A/D
FIFO
VIDEO OUTPUT
(12 BIT DIGITAL)
Note: Signals are read out in order of pixel number.
A/D
FIFO
KACCC0216EB
1
C7942CA-02, C7943CA-02
Flat panel sensor
■ General ratings
Parameter
Pixel size
Photodiode area
Number of pixels
Number of active pixels
Readout
Video output (Data1 - 12)
Output data rate
Synchronous signal (Vsync, Hsync, Pclk)
bin0/1, ExtTrgGrb, ExtTrgLemo, IntExt
Scintillator
C7942CA-02
C7943CA-02
50 × 50
100 × 100
120 × 120
124.8 × 124.8
2400 × 2400
1248 × 1248
2240 × 2344
1216 × 1220
Charge amplifier array
RS-422 (differential) 12 bit
15.15
RS-422 (differential)
TTL
CsI
Unit
µm
mm
pixels
pixels
MHz
-
■ Absolute maximum ratings (Ta=25 °C)
Parameter
Supply voltage for digital circuitry (+5 V)
Supply voltage for analog circuitry (+5 V)
Supply voltage for analog circuitry (±7.5 V)
Input voltage (bin0/1, E xtTrg Grb, Ex t Tr gL e m o, IntE xt)
Operating temperature *1
Storage temperature *1
*1: No condensation
Symbol
D.vdd
A.vdd
V(±7.5)
Vin
Topr
Tstg
Value
+6.0
+6.0
±12
0 to 6.0
0 to +35
0 to +50
Unit
V
V
V
V
°C
°C
■ Specification [Ta=25 °C, A.vdd= 5.0 V, D.vdd= 5.0 V, V (±7.5)= ±7.5 V]
Parameter
Symbol
Frame rate (single operation)
Frame rate (2 × 2 binning)
Frame rate (4 × 4 binning)
Sf (int)
Frame rate external (single operation)
Sf (ext)
C7942CA-02
Typ.
Max.
2
4
9
Sf (int)
to 0.1
1100
2.2
25
8
2000
20
65
200
Min.
1.9
-
2
C7943CA-02
Typ.
Max.
7
15
30
Sf (int)
to 0.1
2300
10
22.4
28
4
5
4300
10
65
200
Min.
6.65
-
Unit
frames/s
frames/s
frames/s
frames/s
Noise (rms) *
N (rms)
electrons
Saturation charge
Csat
M electrons
Sensitivity *3
S
20
LSB/mR
Resolution *4
Reso
6
line pairs/mm
Dynamic range
Defect line *5
lines
Output offset *6
LSB
*2: Internal trigger mode, single operation
*3: at 80 kVp 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 an amplifier array or a vertical shift register.
Without a couple of adjacent defect line.
*6: Average of all effective pixels in single operation at Sf (int)
Note: X-ray energy range is 20 k to 100 kVp.
■ Resolution
[Ta=25 ˚C, A.vdd=5.0 V, D.vdd=5.0 V, V (±7.5 V)=±7.5 V]
100
90
80
CTF (%)
70
60
50
40
30
C7942CA-02
C7943CA-02
20
10
0
0
1
2
3
4
5
6
7
8
SPATIAL FREQUENCY (line pairs/mm)
2
9
10
KACCB0135EA
Flat panel sensor
C7942CA-02, C7943CA-02
■ Timing chart
To acquire images through an image grabber board, write parameters in the software program or parameter file by referring to
the following timing chart and description.
1 FRAME
1st ROW
2nd ROW
DUMMY LINES
Vsync+ (GRABBER)
1st ROW
2nd ROW
He
LAST ROW
All pulses are counted in the
“High” period of Hsync+
Hsync+ (GRABBER)
ENLARGED VIEW
Vsync+ (GRABBER)
1st ROW
2nd ROW
Hsync+ (GRABBER)
Phe
Pg
Phe
Phd
Phe
Phd
Pclk+ (GRABBER)
All pulses are counted at the riging edge of Pclk+.
The effective video output is only included in the “Phe” period.
KACCC0362EA
Pulse
Parameter
C7942CA-02
1×1
2×2
Effective line
2344
1172
He
Dummy line
56
28
Effective pixel
2240
1120
Phe
Dummy pixel
160
80
Phd
526
1726
Pg
21
21
Note: “He” is the Hsync count. Phe, Phd and Pg are the Pclk count.
4×4
586
14
560
40
2326
21
1×1
1220
28
1216
32
334
27
C7943CA-02
2×2
610
14
608
16
958
27
4×4
305
7
304
8
1270
27
■ External trigger mode
To acquire images in external trigger mode, input an external trigger pulse as shown below. When the time Tvd has passed after
the rising edge of the external trigger pulse, synchronous signals and video signals are output.
From Tmin to Tmax
RECOMMENDATION: 50 % OF FRAME TIME
ExtTrgLemo
ExtTrgGrb
(TTL)
Tvd
Vsync+
(RS-422)
Hsync+, Pclk+ and Data 1-12 are the same as internal trigger mode.
· Tmin is defined as 1/Sf (int).
· Tmax is defined as the reciprocal of the minimum value of Sf (ext).
· Tvd=390 µs (C7942CA-02)
210 µs (C7943CA-02)
KACCC0369EA
3
Flat panel sensor
C7942CA-02, C7943CA-02
■ System requirements
To operate C7942CA-02 and C7943CA-02 Flat Panel Sensors at full performance, the following system and peripherals are
required.
· PC: IBM compatible PC running on Windows XP
· Digital frame grabber card: Monochrome 16 bits or more, pixel clock 16 MHz or more, RS-422 interface synchronous signal (See
the frame grabber manual.)
The National Instruments IMAQ PCI-1424 (NI parts No. 777662-01) frame grabber with optional memory 64 MB (NI parts No.
920130-64) has been verified to successfully acquire 12-bit digital images from both C7942CA-02 and C7943CA-02. The IMAQ
PCI-1422 (NI parts No. 777959-01) also acquires satisfactory images from C7943CA-02. You can utilize the demonstration
software that comes with the frame grabber as a simple viewer, to acquire and save an image. To do so, refer to the frame
grabber user’s guide for how to use the camera information file for the demonstration software.
· Power source: A.vdd = +5.0 ± 0.1 V (700 mA), D.vdd = +5.0 ± 0.1 V (1000 mA), V (±7.5) = ±7.5 ± 0.5 V (±100 mA)
Please use of a series power supply. (Avoid using a switching power supply.) A power cable (terminated with an
FGG.2B.307.CLAD92Z plug at one end and open at the other end; 2 m; see Table 2.), an external trigger cable (terminated with
an FFA.OS.302.CLAC37 plug at one end and open at the other end; 5 m; see table 3.) and an earth cable (AWG 18; 4 m) comes
supplied with C7942CA-02 and C7943CA-02. An optional frame grabber cable for interface with the 36-pin receptacle (see
Table 1) on C7942CA-02 and C7943CA-02 is also available for synchronous signal input, video output and external control.
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.
To supply the synchronous signal through ExtTrgGrb, apply high level of TTL to ExtTrgLemo and IntExt, or leave them without
connection. On the contrary, to use ExtTrgLemo, set high level to ExtTrgGrb and IntExt, or leave them without connection. The
earth terminal must be connected to a stable earth point to eliminate noise from surroundings.
Ta b le 1 : P in a s s ig n m e n t o f 3 6 -p in re c e p ta c le
P in N o .
S ig n a l
P in N o .
1
D a ta 1 2 + (M S B )
19
2
D a ta 11 +
20
3
D a ta 1 0 +
21
4
D a ta 9 +
22
5
D a ta 8 +
23
6
D a ta 7 +
24
7
D a ta 6 +
25
8
D a ta 5 +
26
9
D a ta 4 +
27
10
D a ta 3 +
28
11
D a ta 2 +
29
12
D a ta 1 + (L S B )
30
13
b in 0 (T T L )
31
14
b in 1 (T T L )
32
15
E xtTrg G rb (T T L )
33
16
V s yn c +
34
17
H s yn c +
35
18
P c lk +
36
U n le ss o th e rw is e no te d, sig n al le vel is R S -4 2 2.
3 6 -p in re ce p tac le : T X 2 0 A -3 6 R -D 2 G F 1 -A 1 L m a d e b y J A E (J a p an A viatio n E lec tro nics Ind u stry, lim ite d )
M a tin g p lu g : T X 2 0 A -3 6 P H 1 -D 2 P 1 -D 1 E m ad e b y J A E (J ap a n A via tio n E le c tro n ic s In du s try, lim ite d )
S ig n a l
D a ta 1 2 - (M S B )
D a ta 11 D a ta 1 0 D a ta 9 D a ta 8 D a ta 7 D a ta 6 D a ta 5 D a ta 4 D a ta 3 D a ta 2 D a ta 1 - (L S B )
GND
GND
In tE xt (T T L )
V s yn c H s yn c P c lk -
Ta b le 2 : P o w e r p in a s s ig n m e n t a n d c a b le c o lo r
P in N o .
C o lo r
1
B ro w n
2
Red
3
O ra n g e
4
Ye llo w
5
G re e n
6
B lu e
7
P u rp le
S h ie ld
7 -p in p o w e r re c ep tac le : E C G .2 B .3 0 7.C LV m a de b y L E M O S . A .
M a tin g p o w e r p lu g : F G G .2 B .3 0 7.C L A D 9 2 Z m a de b y L E M O S . A .
S ig n a l
+ 7 .5 V
A n a lo g G N D
-7 .5 V
A n a lo g G N D
A n a lo g + 5 V
D ig ital G N D
D ig ital + 5 V
A n a lo g G N D
Ta b le 3 : E x te rn a l trig g e r p in a s s ig n m e n t a n d c a b le c o lo r
P in N o .
C o lo r
1
Red
2
B la ck
S h ie ld
2 -p in re c ep tac le : E C P.0 S .3 02 .C L L m a de b y L E M O S . A
M a tin g p lu g : F FA .0 S .3 0 2.C L A C 3 7 m a de b y L E M O S . A .
4
S ig n a l
E xtTrg L e m o (T T L )
S ig n a l G N D
A n a lo g G N D
C7942CA-02, C7943CA-02
Flat panel sensor
■ Connection
Install the frame grabber board into the PC by the manufacturer’s instructions. When a general-purpose frame grabber board is
used, binning or trigger operation for bin0, bin1, IntExt and ExtTrgGrb can be controlled with its digital I/O control.
OS +
ACQUISITION
SOFTWARE
(REAR VIEW)
PC/AT
VIDEO OUTPUT
(12 BIT DIGITAL)
Vsync, Hsync,
Pclk
FRAME
GRABBER
X-RAY SOURCE
MONITOR
BINNING
(bin0, bin1)
IntExt
ExtTrgGrb
VOLTAGE
SOURCE
[A. vdd, D. vdd, V (±7.5)]
ExtTrgLemo
CMOS FLAT PANEL SENSOR C794*CA-02
C7942CA-02, C7943CA-02
KACCC0217ED
■ Dimensional outline (unit: mm, tolerance: ±1 mm unless otherwise noted)
200
28
c
150 *
17 *
DIGITAL OUT
57
(0, 0)
165 *
12
43
EXT.TRG.
15
e
POWER
ACTIVE AREA b
27 *
46
ACTIVE AREA a
d
CMOS FLAT PANEL SENSOR C794*CA-02
198
4
10
(4 ×) M3
DEPTH 4
37
SCINTILLATOR
TO TOP COVER
8.3 *
CMOS FLAT PANEL SENSOR C794*CA-02
12
127 *
33 *
Top cover is made of aluminum 1.0 mm thick.
weight: 2.4 kg
* ±0.5 mm
C7942CA-02 C7943CA-02
a
b
c
112
117.2
33.5
121.6
122
31.1
d
22.9
20.5
e (2239, 2343) (1215, 1219)
KACCA0135ED
5
Flat panel sensor
C7942CA-02, C7943CA-02
■ 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.
· Data listed in this datasheet is defined at the time of shipment. Characteristics may vary somewhat due to exposure to X-rays
so take proper coutermeasures 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 make a 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 1 million Roentgen (less than 100 kVp) even within the warranty period.
· As described above, flat panel sensors have limited resistance to radiation. This must be taken into account when using a flat
panel sensor under continuous irradiation (in-line non-destructive inspection, etc.)
When using flat panel sensors in non-destructive inspection equipment, please contact us and provide information such as
irradiation conditions.
C7942CA-02, C7943CA-02 conforms to European EMC directives:
EN61326 Class A.
■ Optional frame grabber cables
Frame grabber
Cable type No.
Cable length
Cable end
A8406-31
5m
A8406-36
7m
General-purpose
A8406-37
10 m
A8406-38
12 m
TX20A-36PH1-D2P1-D1E *8
A8406-32
5m
A8406-33
7m
IMAQ PCI-1424 *7
A8406-34
10 m
A8406-35
12 m
*7: Made by NI (National Instruments Corporation)
*8: Made by JAE (Japan Aviation Electronics Industry, Limited)
*9: Made by Honda Tsushin Kogyo Co. Ltd.
Note: The detailed information for these optional cable is shown in the datasheet of A8406 series.
Cable end
open
PCS-XE100MA+ *9
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
6
Cat. No. KACC1098E09
May 2007 DN
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