C5923 HAMAMATSU | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 2

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 Use of pulse-driven LED allows accurate position sensing even under background light, and independent of pulsed light intensity. /K6C Compact design An LED drive circuit, head amp, signal addition/subtraction circuits, sample hold circuit, synchronization circuit and analog divider circuit are mounted on a compact PC board.

Applications

/K6C Displacement measurements using pulsed light synchronized with the circuit /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 C5923 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 Signal processor Operating temperature Topr 0 to +50 °C Transistor collector-emitter voltage V CE +30 V Transistor collector current * 1 Ic 800 mALED driver Transistor collector dissipation * 1 Pc 600 mW 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 * 2 Rf Factor y setup prior to shippin g 0.95 × 10 5 1 × 10 5 1.05 × 10 5 V/A Feedback capacitance * 2 Cf Factor y setup prior to shippin g 21 22 23 pF Input signal current * 3 IIN Photocurrent with PSD installed 1 × 10 -5 -1 × 1 0 -4 A Rise time (output 10 to 90 %) tr Output response time versus movement of light spot position, measured with PSD installed. 30 - - µs PSD reverse voltage V R Factory setup prior to shipping 05 1 4 V Output offset voltage Vos *5 -10 - +10 mV Output voltage amplitude * 4 Vo With PSD installed and light spot falling on edge of active area. -10 - +10 V Output noise (analog divider) Vn All range * 5 5 10 50 mVp-p Signal processor Current consumption Icc * 5 -± 4 5- m A Transistor collector current Ic *1 - 170 - mAp-p Repetition frequency f T *1 - 3333 - HzLED driver Output method - - Open collector - *1: Duty ratio: 3/10, pulse width: 90 µs, LED: L1915-01 (made by Hamamatsu; sold separately) *2: These resistors are lead types and inserted into sockets, so it can be easily to exchange by the user if necessary in a range between 1 × 10 4 to 1 × 10 6 Ω . For more details, see the instruction manual that comes with the product. *3: PSD does not operate correctly if the input signal current is outside the specified range. *4: Maximum output amplitude can be adjusted in a range of ±2 to ±10 V according to PSD type to be used. *5: With no PSD installed and LED turned off; pulsed current of 20 µA (X1=X2) is supplied to the circuit as current signal (duty ratio: 3/10, pulse width: 90 µs) that substitutes for PSD photocurrent

Signal processing circuit for 1-D PSD C5923 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. KPSD1011E03 Apr. 2003 DN I Dimensional outline (unit: mm, tolerance: ±0.2 mm) KACCA0054EB G D-sub connector Terminal No. Name Content 1V REF Reference voltage monitor output

2 VR PSD bias voltage monitor output

(position-converted voltage)

4 K Connection to LED or other cathode

5A Connection to LED or other anode 6 +V +15 V input 7 -V -15 V input

8 G GND

9 V1 Head amp output 1

10 V2 Head amp output 2

11 V3 Subtracted signal pulse output

12 V4 Summed signal pulse output

13 V5 Subtracted signal output after S/H *

14 V6 Summed signal output after S/H *

15 G GND

  • S/H: sample hold G Through holes for externally connected PSD Terminal No. Name Content

1 IN1 Input from PSD output 1

2 G GND

3V R Bias voltage output for connection to PSD cathode

4 G GND

5 IN2 Input from PSD output 2

  1. Light source: LED (λp=900 nm) 2. Light spot: φ200 µm 3. PSD: S1352 (L=34 mm) 4. PSD photocurrent: 10 µA 5. Frequency bandwidth: 10 Hz 6. Voltmeter: 195A (KEITHLEY) 7. Constant voltage power supply: ±15 V , power supply capacity:

0.2 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. 0.6 µm (calculated value) I Accessories
  • Connector HDAB-15S (HIROSE: For connections to power supply and output readout device) KACCB0040EB KPSDC0062EA KACCC0071EA 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. 102 15.5 MAX. D-SUB CONNECTOR (Hirose Electric: RDAB-15P) 37.5 110 THROUGH HOLES FOR EXTERNALLY CONNECTED PSD12.5 37.5 PSD INSTALLTION POSITION (4 ×) 3.2 1245 3 L L/2 L/4 -L/4 -L/2 S1352, S3270 -L/2 L/2 OUTPUT Vo (V) LIGHT SPOT POSITION X (mm) S3931, S3932 S3979 X CENTER OF PSD ACTIVE AREA LIGHT SPOT PHOTOSENSITIVE SURFACE C5923 LED (LD) ANODE (+) D-SUB CONNECTOR LED (LD) CATHODE (–) VOLTMETER CONSTANT VOLTAGE POWER SUPPLY +15 V –15 V GND G PSD C I Operating example I Input/output terminals