C3683-01

C3683-01 HAMAMATSU | Alldatasheet

Document overview

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Technical content

Features

/K6C No complicated adjustments required Position can be measured just by installing a 1-D PSD on the board. /K6C Accurate position sensing Position data of light spot is independent of light intensity. /K6C Compact design Head amp, signal addition/subtraction circuits, and analog divider circuit are mounted on a compact PC board.

Applications

/K6C Displacement measurements using DC light /K6C Various studies using 1-D PSD /K6C Performance evaluation of 1-D PSD PSD Signal processing circuit for 1-D PSD Circuit board for easier 1-D PSD operation C3683-01 I Absolute maximum ratings Parameter Symbol Value Unit Supply voltage Vcc Max. ±18 V Input signal current IIN Max. Vcc Max. × 10-5 A Output short-circuit time - Continuous s Operating temperature Topr 0 to +50 °C I Recommended operating range Parameter Symbol Condition Min. Typ. Max. Unit Supply voltage Vcc ±14.5 ±15 ±15.5 V I Specifications / Characteristics (Ta=25 °C, Vcc=±15 V) Parameter Symbol Condition Min. Typ. Max. Unit Head amp conversion impedance *1 Rf Factory setup prior to shipping 0.95 × 105 1 × 105 1.05 × 105 V/A Feedback capacitance Cf Factory setup prior to shipping 950 1000 1050 pF Input signal current *2 IIN Photocurrent with PSD installed 1 × 10-5 -1 × 10-4 A Rise time (output 10 to 90 %) tr Output response time versus movement of light spot position, measured with PSD installed. 300 - - µs PSD reverse voltage V R Factory setup prior to shipping 0+ 5 + 1 4 V Output offset voltage Vos *3 -10 - +10 mV Output voltage amplitude Vo With PSD installed and light spot falling on edge of active area. -10 - +10 V Output noise (analog divider) Vn All range *3 - 25 - mVp-p Current consumption Icc * 3 -± 1 5- m A *1: These resistors are lead types and inserted into sockets, so it can be easily to exchange by the user if necessary in a ran ge between 1 × 104 to 1 × 106 Ω. For more details, see the instruction manual that comes with the product. *2: PSD does not operate correctly if the input signal current is outside the specified range. *3: With no PSD installed, 20 µA (X1=X2) is supplied to the circuit as current signal that substitutes for PSD photocurrent

Signal processing circuit for 1-D PSD C3683-01 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 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: 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 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. ©2003 Hamamatsu Photonics K.K. Cat. No. KPSD1004E03 Apr. 2003 DN X CENTER OF PSD ACTIVE AREA LIGHT SPOT PHOTOSENSITIVE SURFACE 11.5 15.5 MAX. THROUGH HOLES FOR EXTERNALLY CONNECTED PSD PSD INSTALLTION POSITION D-SUB CONNECTOR (Hirose Electric: RDEB-9P) (4×) 3.2 54 213 C3683-01 PSD C +15 V GND -15 V Vo GND CONSTANT VOLTAGE POWER SUPPLY VOLTMETER -10 +10 OUTPUT Vo (V)

0 L-- 2

LIGHT SPOT POSITION X (mm) I Dimensional outline (unit: mm, tolerance: ±0.2 mm) I PSD and output voltage G D-sub connector Terminal No. Name Content 1V R PSD bias voltage monitor output

2 Vo Divider output

(position-converted voltage) 3 -V -15 V input 4 +V +15 V input 5G G N D

6 VB Subtracted signal output

8 V1 Head amp output 1

G Through holes for externally connected PSD Terminal No. Name Content 1I N 1 Input from PSD output 1

2 G GND

3V R Bias voltage output for connection to PSD cathode

4 G GND

5I N 2 Input from PSD output 2 KACCA0035EC KACCC0040EA KACCC0039EA I Operating example S1352, S3931 and S3932 (PSD made by Hamamatsu) can be directly mounted on the board. T o mount other types of 1-D PSDs, use through holes on the board. KPSDC0062EA Measurement conditions 1. Light source: LED (λp=900 nm) 2. Light spot: φ200 µm 3. PSD: S1352 (L=34 mm) 4. PSD photocurrent: 10 µA 5. Voltmeter: 195A (KEITHLEY) 6. Frequency bandwidth: 10 Hz 7. Constant voltage power supply: ±15 V , power supply capacity:

0.1 A or more, ripple voltage: 3 mVp-p or less

When measured under the above conditions, the following output voltage amplitude and position resolution can be obtained.

• Output voltage amplitude: V FS=±10 V
• Position resolution: ∆l=approx. 0.3 µm (calculated value) I Accessories
• Connector HDEB-9S (Hirose Electric: For connections to power supply and output readout device) I Input/output terminals