H7468 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Metal Packege PMT with Internal Charge Amp+ADC Type

Metal Package PMT with Internal Charge Amp+ADC Type
Photosensor Modules H7468 Series
The H7468 series are photosensor modules assembled with a photomultiplier
tube, an AD converter circuit and a microcontroller. These photosensor mod-
ules operate from a single +5 V supply and convert the photomultiplier tube
analog signals into 12-bit digital data which can be sent to a PC (personal
computer) through the RS-232C interface. The photomultiplier tube supply
voltage and measurement start/stop can also be controlled from the PC.
Product Variations
Type No.
H7468
H7468-01
H7468-03
H7468-20
Spectral Response
300 nm to 650 nm
300 nm to 850 nm
185 nm to 650 nm
300 nm to 900 nm
For visible range
For visible to near IR range
For UV to visible range
High sensitivity in near IR range
Features
Specifications
Parameter
Suffix
Input Voltage (Vcc)
Max. Input Voltage
Max. Input Current
Effective Area
Digital Output: Maximum Output Current
Digital Output: Maximum Sink Current
Voltage between Digital Input and GND
Peak Sensitivity Wavelength
Cathode
Sensitivity
Luminous Sensitivity
Min.
Typ.
Blue Sensitivity Index (CS 5-58)
Red/White Ratio
Radiant Sensitivity *¹
Gain *²
Typ.
Anode Dark Current *^2, *³
Typ.
Max.
Integration Capacitance
AD Converter Resolution
Integration Time
Dead Time
Sampling Continuous Reading
Time
Fixed Set Reading
Measurement Count (fixed set reading)
PMT Supply Voltage
Digital High-Level Input Voltage Min.
Digital Low-Level Input Voltage Max.
Digital High-Level Output Voltage Min.
Digital Low-Level Output Voltage Max.
RS-232C Interface Setting
Operating Ambient Temperature
Storage Temperature
Weight
*1: Measured at the peak sensitivity wavelength
*3: After 30 minute storage in darkness
36
H7468
None
-01
-03
-20
+4.75 to +5.25
+6
35
8
25
25
-0.3 to Vcc +0.3
420
400
420
630
40
80
40
350
70
150
70
500
8.0
—
8.0
—
—
0.2
—
0.45
62
60
62
78
7.0 × 10⁵
5.0 × 10⁵
7.0 × 10⁵
5.0 × 10⁵
0.2
0.4
0.2
2
2
4
2
20
1000
12
0.04 to 500 (0.01 step)
0.01 to 500 (0.01 step)
4 to 1000
0.05 to 1000
1 to 127
0 to 1000
4
1
Vcc -0.7
0.6
RS-232C, 9600 baud, Parity none, 8 data bits, 1 stop bit
+5 to +50
-20 to +50
105
*2: PMT supply voltage: 800 V
Unit
—
V
V
mA
mm
mA
mA
V
nm
A/lm
—
—
mA/W
—
nA
pF
bit
ms
ms
ms
ms
—
V
V
V
V
V
—
°C
°C
g