C7942CA-22 データシートの表示（PDF） - Hamamatsu Photonics
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C7942CA-22 Datasheet PDF : 8 Pages
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Flat panel sensor
C7942CA-22
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
Specifications
50 × 50
120 × 120
2400 × 2400
2240 × 2344
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
Symbol
Value
Unit
Supply voltage for digital circuitry (+5 V)
D.vdd
+6.0
V
Supply voltage for analog circuitry (+5 V)
A.vdd
+6.0
V
Supply voltage for analog circuitry (±7.5 V)
V(±7.5)
±12
V
Input voltage (bin0/1, ExtTrgGrb, ExtTrgLemo, IntExt)
Vin
0 to 6.0
V
Operating temperature*1
Storage temperature*1
Topr
0 to +40
°C
Tstg
-10 to +60
°C
Incident X-ray energy
-
100
kVp
*1: No condensation
Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the
product within the absolute maximum ratings.
Specifications [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)
Sf(int)
Frame rate (2 × 2 binning)
-
Frame rate (4 × 4 binning)
-
Frame rate external (single operation)
Noise (rms)*2
Sf(ext)
N(rms)
Saturation charge
Sensitivity*3
Resolution*4
Csat
S
Reso
Dynamic range
Defect line*5
-
Blemish*6
-
Non-uniformity of sensitivity*6
-
Defect cluster*6
-
Bright line output adjacent to a defect line*6
-
Output offset*6
-
*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 cosecutive pixels located at the opposite side of an
amplifier array or a shift register, that produce 1/8 of the
average sensitivity of the surrounding pixels.
Adjacent defective lines are not allowed in the vertical or
horizontal directions.
*6: See P. 7, 8, “Description of terms”
*7: Average of all effective pixels in single operation at Sf(int)
Note: X-ray energy range is 20 k to 100 kVp.
Min.
Typ.
Max.
1.9
2
-
-
4
-
-
9
-
-
Sf(int) to 0.1
-
-
1100
-
-
2.2
-
20
25
-
6
8
-
-
2000
-
-
-
20
-
-
600
-
-
4
Not allowed
-
-
120
-
65
200
Unit
frames/s
frames/s
frames/s
frames/s
electrons
M electrons
LSB/mR
line pairs/mm
-
lines
μm
%
-
%
LSB
Resolution
[Ta=25 °C, A.vdd=5.0 V, D.vdd=5.0 V, V (±7.5 V)=±7.5 V]
100
90
80
70
60
50
40
30
20
10
0
0 1 2 3 4 5 6 7 8 9 10
Spatial frequency (line pairs/mm)
KACCB0202EB
2
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