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MODULE
Photosensor amplifier
C9051
Small on-board type current-to-voltage conversion amp
C9051 is a current-to-voltage conversion amplifier specifically designed for low-light-level measurement using a photodiode (sold separately).
l Small on-board type for easy assembly l Usable with photodiodes having large terminal l Conversion impedance: 1.0 x 108 V/A l Single +12 V supply voltage operation l Small board size: 50 (W) x 50 (H) x 19 (D) mm
I Absolute maximum ratings
Parameter Maximum voltage Operating temperature *1 Storage temperature *1 *1: No condensation Symbol Vcc Max. Topr Tstg
Features
Applications
capacitance
l Low-light-level detection l Low-light-level optical power meters l DC light monitors
Value +16 0 to +50 -10 to +60
Unit V C C
I Electrical and optical characteristics (Ta=25 C, Vcc=+12 V)
Parameter Conversion impedance Frequency bandwidth Input photocurrent range Maximum output amplitude Output offset voltage Equivalent noise input current Output noise voltage Symbol Tz fc Isc Vo Vos IN Condition C9051 board, -3 dB *2 RL=1 kW C9051 board Without photodiode, f=1 Hz Without photodiode, full bandwidth
Min. DC 0 4.0 -5 -
Typ. 1 x 108 -
Max. 16 40 5 5 x 10-13 0.5
Unit V/A Hz nA V mV A/Hz1/2 mVp-p
enp-p
Output resistance Ro 100 W Maximum input capacitance CIN 15 nF Maximum capacitive load CL 1000 pF Current consumption Icc Without photodiode 20 mA Supply voltage Vcc *3 +9 +12 +15 V Power supply ripple voltage Vcc RIPPLE *4 200 mVp-p *2: When connecting a photodiode to C9051, the cathode should be connected to the IN terminal of C9051 and the anode grounded. Photocurrent input from the photodiode will be negative with respect to the amplifier. *3: If not using the AC adapter that comes with C9051, set the power supply voltage within this range. A separate adapter plug will be required for power input to C9051. *4: This is the maximum ripple allowed for the power supply when operated with all loads listed on the power supply specification sheet, excluding switching noise that might appear superimposed on the ripple. When not using the AC adapter that comes with C9051, always make sure that the power supply output does not contain excessive ripple and noise.
IUsable photodiodes
Any single-element photodiode with a terminal capacitance below 15 nF can be used. In photometric applications requiring high accuracy, we recommend using metal package or ceramic package photodiodes. For detailed information refer to individual data sheets for our photodiodes. NOTE) C9051 cannot be used with multi-element photodiodes, photodiodes with preamplifier, APD (avalanche photodiodes), photo IC diodes and reverse-biased photodiodes.
PRELIMINARY DATA Aug. 2002
1
Photosensor amplifier
I Connection example
DC + 12 V OSCILLOSCOPE LOW-LIGHT-LEVEL DETECTION LARGE AREA PHOTODIODE ANODE VOLTMETER CATHODE SHIELD PHOTOSENSOR AMPLIFIER C9051 COAXIAL CABLE WITH BNC PLUG (See "Typical connection to photodiode") BNC-BNC COAXIAL CABLE LOW-LIGHT-LEVEL OPTICAL POWER METERS
C9051
+ 5 V INPUT A/D DC LIGHT MONITORS TEST/MEASUREMENT EQUIPMENT SERIAL CONVERSION OUTPUT PC, etc.
I Typical connection to photodiode
* To connect a photodiode to C9051, use a coaxial cable terminated with a BNC plug. The cable length (capacitance) should be less than 15 nF including photodiode terminal capacitance. * Solder the photodiode leads to connect the tip of the cable wire. (See the drawing on the right.) Anode: Connect to the shield wire of the cable. (Make electrical connection with the shield.) Cathode: Connect to the core wire of the cable. * To improve measurement accuracy, provide a shield around the photodiode. Do not use a cable any longer than necessary. (Keep the cable as short as possible.) NOTE) When using a photodiode whose cathode is internally connected to its metal package, secure the photodiode with an insulating material when shielding. Otherwise, signal current cannot be drawn when the photodiode package is grounded.
KACCC0179EA
COAXIAL CABLE WITH BNC PLUG
SOLDER PHOTODIODE ANODE
CATHODE
CONNECT TO SHIELD CASE SHIELD CASE, etc.
KACCC0180EA
I Dimensional outline (unit: mm)
OUTPUT TERMINAL (85 3) PHOTODIODE PHOTOCURRENT INPUT TERMINAL
42 0.5
OUT
IN
50 1
42 0.5 50 1
(4 x) 3.2 THRU-HOLE (FOR BOARD MOUNTING)
2.0 MAX.
(19 1)
AC ADAPTER JACK DC + 12 V IN
KACCA0116EA
I Accessory
AC adapter
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. (c)2002 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://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.: 8, 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: Smidesvagen 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
2
Cat. No. KACC1080E01 Aug. 2002 DN

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