The C7020/C7021/C7025 series are high sensitivity multichannel detector heads intended for use with front-illuminated CCD area
image sensors (S9970/S9971/S9972/S9973 series). The C7020 series is designed for non-cooled CCD, while the C7021/C7025 se-
ries for thermoelectric cooled CCD. All of the C7020/C7021/C7025 series contain a low-noise driver circuit that operates on input of
simple external signals. Mounting holes are provided on the front panel for attaching to other devices such as spectrometers.
The C7021/C7025 series also include a highly stable temperature control circuit that cools the sensor to a preset temperature (Ts=-10
°C) as soon as the power is turned on. If the cooler fails and causes overheating, the internal protection circuit automatically turns
off the power to ensure safety. Despite the compact size, the housing configuration is designed for good heat dissipation.
As an option, HAMAMATSU also provides the C7557-01 controller for multichannel detector heads. Using the dedicated software for
the C7557-01 allows easy control and data acquisition of a multichannel detector head from a PC.
Features
Designed for front-illuminated CCD area image sensor
*
1
C7020/-02: for non-cooled type
C7021/-02, C7025/-02: for TE-cooled types
Line binning operation
*
2
/area scanning operation
Driver circuit for low noise CCD operation
Highly stable temperature controller (C7021/-02, C7025/-02)
Cooling temperature:
fi
xed at -10 ± 0.05 °C
Simple signal input operation
Compact configuration
Applications
Fluorescence spectroscopy
Raman spectroscopy
Other low light level detection
Selection guide
The table below shows CCD area image sensors applicable for C7020/C7021/C7025 series.
Since C7020/C7021/C7025 series do not include a CCD area image sensor, so select the desired sensor and order it separately.
Type No.
Type No.
S9970-0906
S9970-1006
S9970-1007
S9970-1008
S9972-1007
S9972-1008
S9971-0906
S9971-1006
S9971-1007
S9973-1007
S9971-1008
S9973-1008
CCD area image sensor
Number of
Number of pixels
active pixels
532
×
64
512
×
60
1044
×
64
1024
×
60
1044
×
128
1024
×
124
1044
×
256
1024
×
252
1044
×
128
1024
×
124
1044
×
256
1024
×
252
532
×
64
512
×
60
1044
×
64
1024
×
60
1044
×
128
1024
×
124
1044
×
128
1024
×
124
1044
×
256
1024
×
252
1044
×
256
1024
×
252
Active area
[mm (H)
×
mm (V)]
12.288
×
1.440
24.576
×
1.440
24.576
×
2.976
24.576
×
6.048
24.576
×
2.976
24.576
×
6.048
12.288
×
1.440
24.576
×
1.440
24.576
×
2.976
24.576
×
2.976
24.576
×
6.048
24.576
×
6.048
C7020
C7020-02
C7021
C7021-02
C7025
C7025-02
*1:
The FFT-CCD (full frame transfer CCD) has charge transfer sections that are also used as light receiving areas, being different from interline transfer
CCD (IT-CCD) commonly used in video cameras. Compared to the IT-CCD, the FFT-CCD offers advantages of low dark current, a 100 % open area
ratio and low image lag.
*2:
The FFT-CCD area image sensor can be operated like a linear image sensor having a large active area by transferring all the pixel signals in the
vertical direction to the horizontal register (this is referred to as line binning).
www.hamamatsu.com
1
CCD multichannel detector heads
C7020/C7021/C7025 series
Absolute maximum ratings
Parameter
Supply voltage (for digital circuitry)
Supply voltage (for analog circuitry)
Symbol
V
D1
V
A1+
V
A1-
V
A2
V
D2
Vp
V
F
-
C7020/-02
C7021/-02, C7025/-02
C7020/-02
C7021/-02, C7025/-02
Topr
Tstg
Min.
-0.5
-
-
-
-
-
-
-
0
+10
-20
0
Typ.
-
-
-
-
-
-
-
-
-
-
-
-
Max.
+7
+18
-18
+30
+7
+7
+14
V
D
(1, 2)
+50
+35
*
3
+70
+50
Unit
V
Supply voltage
*
3
Digital input voltage
Operating temperature
Storage temperature
°C
Electrical characteristics
(Ta=25 °C, V
D1
=+5 V, V
A1
+=+15 V, V
A1
-=-15 V, V
A2
=+24 V, V
D2
=+5 V, Vp=+5 V, V
F
=+12 V, unless otherwise noted)
Parameter
Digital input
CLK frequency
Data video readout frequency
Start pulse width
Digital output
Power supply operating conditions
Digital circuitry
Analog circuitry
Voltage
Other
*
4
V
D1
(+5 V)
V
A1+
(+15 V)
V
A1-
(-15 V)
V
A2
(+24 V)
V
D2
(+5 V)
*
4
Vp (+5 V)
*
4
V
F
(+12 V)
*
4
V
D1
V
A1+
V
A1-
V
A2
V
D2
Vp
V
F
-
-
-
-
-
-
-
+4.75
+14.5
-14.5
+23.5
+4.75
+4.75
+11.75
-
-
-
-
-
-
-
+5.0
+15.0
-15.0
+24.0
+5.0
+5.0
+12.0
-
-
-
-
-
-
+100
+5.25
+15.5
-15.5
+24.5
+5.25
+5.25
+12.75
+200
+100
-100
+30
+30
+2.5
-
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
A
mA
High level (Io=-6 mA)
Low level (Io=+6 mA)
High level
Low level
Symbol
V
IH
V
IL
fclk
fv
tst
V
IH
V
IL
Min.
+2.0
-0.5
-
-
1/f
CLK
+2.0
-
Typ.
-
-
-
-
-
-
-
Max.
VD (1, 2)
+0.8
1
f
CLK
/4
-
-
+0.8
Unit
V
V
MHz
Hz
s
V
V
Current
Electrical and optical characteristics
(Ta=25 °C, Ts= -10 °C, V
D1
=+5 V, V
A1
+=+15 V, V
A1
-=-15 V, V
A2
=+24 V, V
D2
=+5 V, Vp=+5 V, V
F
=+12 V, unless otherwise noted)
Parameter
Spectral response range
Full well capacity
Conversion gain
*
5
Dark current
*
6
Readout noise
Dynamic range
Photo response non-uniformity
*
7
*3:
*4:
*5:
*6:
*7:
Line binning
Area binning
C7020/-02
C7021/-02, C7025/-02
Vertical
Horizontal
Symbol
λ
Fw
Sv
DS
Nr
DR
PRNU
C7020, C7021, C7025
Min.
Typ.
Max.
400½
-
-
1100
150
300
-
300
600
-
-
15
-
-
200
3000
-
3
45
-
20
45
-
30000
-
-
15000
-
-
-
±10
C7020-02, C7021-02, C7025-02
Unit
Min.
Typ.
Max.
400½
-
-
nm
1100
120
240
-
ke
-
240
480
-
-
12
-
μV/e
-
-
2000 30000
e
-
/pixel/s
-
30
450
-
60
120
e
-
rms
-
8000
-
-
-
4000
-
-
-
-
±10
%
The maximum value may be lower, depending on the drive frequency and the number of sensor pixels.
C7021/C7025 series
Including the circuit gain
At MPP mode. Vertical register value. The actual value equals the sum of the vertical direction because of the binning operation.
Measured at 50 % of the full well capacity
2
CCD multichannel detector heads
C7020/C7021/C7025 series
Specifications for temperature controller (C7021/-02, C7025/-02)
(Ta=25 °C, V
D1
=+5 V, V
A1+
=+15 V, V
A1-
=-15 V, V
A2
=+24 V, V
D2
=+5 V, Vp=+5 V, V
F
=+12 V)
Parameter
*
8
Cooling temperature
Temperature control range
Power dissipation of TE-cooler element
Cool down time to reset temperature
Setting temperature for overheat protection
Symbol
Ts
ΔTs
Pp
to
To
Min.
-11
-0.05
-
-
-
Typ.
-10
-
-
-
+45
Max.
-9
+0.05
7
5
-
Unit
°C
°C
W
min
°C
*8:
Other functions include error display, automatic power off, and detection of electrical opens and shorts by the thermosensor.
Spectral response (without window)
50
S9970/S9971
series
40
(Typ. Ta=25 °C)
S9972/S9973
series
Quantum efficiency (%)
30
20
UV coated
type
10
0
200
400
600
800
1000
1200
Wavelength (nm)
KMPDB0257ED
Device structure (front-illuminated CCD area image sensor)
IG1V IG2V ISV
24
23 22
SS
20
TG
16
P1V
15
P2V
14
V
......
V=60, 124, 252
H=512, 1024
......
H
1
RG
RD
OS
1
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
2
3
......
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
13 ISH
12 IG1H
4
OD
9
10
11
Isolation Signal output Isolation
IG2H
P2H P1H
(2 pixels)
(2 pixels)
(512 or
Optical black
1024 pixels)
Optical black
(4 pixels) Blank (4 pixels)
Blank (4 pixels) (4 pixels)
5
OG
6
SG
KMPDC0015EB
3
CCD multichannel detector heads
C7020/C7021/C7025 series
Block diagram (C7021 series, C7025 series)
P+
P-
LED
Temperature controller
*
Vp (+5V)
P. GND
V
D2
(+5V)
D. GND
TH+
TH-
TE-cooler
OD
RD
OG
IG1H, IG2H
IG1V, IG2V
P1V, P2V, TG
P1H, P2H
SG
RG
SS, ISV, ISH
OS
PRE-AMP
CCD area image sensor
S9971/S9973 series
Inverter
Clamp
Low-pass
filter
Regulator
V
F
(+12V)
F. GND
Temp monitor
Cooling control
V
D1
(+5V)
D. GND
V
A1+
(+15V)
V
A1-
(-15V)
A. GND
V
A2
(+24V)
Start
CLK
Timing
generator
EOS
Trigger
Mode select
Buffer
Data video
TH.H
VDD
Driver
VEE
*
The C7020 series does not include the temperature controller and TE-cooler.
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