HAMAMATSU P6448 Datasheet

PHOTOREFLECTOR

Light modulation photoreflector

P6448

Compact module combining light modulation photo IC and infrared LED

P6448 is a photoreflector consisting of a light modulation photo IC and an infrared LED, etc. The light modulation photo IC allows reliable
operation even under background disturbance light.

Features

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Compact size (35 × 10 × 17 mm)

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Detection distance: 30 cm Typ.

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Allowable background light level: 2000 lx Min.

Absolute maximum ratings (Ta=25 °C)

■

Parameter Symbol Value Unit

Supply voltage Vcc -0.5 to +7 V

Output current Io 50 mA
Output voltage Vo -0.5 to +12 V
Operating temperature Topr -20 to +60 °C
Storage temperature Tstg -30 to +85 °C

Electrical and optical characteristics (Ta=25 °C, Vcc=5 V, unless otherwise noted)

■

Parameter Symbol Condition Min. Typ. Max. Unit

Supply voltage Vcc 4.75 - 5.25 V

Current consumption Icc

Low level output voltage V

High level output voltage V

Maximum detectable
distance *
Emission light pulse cycle tc - 130 -

Emission light pulse width tw - 8 -

H→L Propagation delay time
L→H Propagation delay time

Allowable background
light level
Hysteresis *

*1: Distance between P6448 and reflective paper (reflectivity 90 %) when the photo IC output level changes to L while bringing the

*2: No direct light source within field of view.

*3: Hysteresis:

ELH: Input signal level at which the output changes from L to H level.
EHL: Input signal level at which the output changes from H to L level.

1

PHL

t

PLH

t

Ex

3

paper close to P6448 operated with H level output. (The photo IC has hysteresis characteristics, so the distance when the output
changes from L to H is longer than that when the output changes from H to L.)

LH

E

HL

E

Hys 0.45 0.65 0.95 -

Vo open, no emission - - 11 mA
During LED emission - 80 200 mA

OLIOL

OH

d

=16 mA - 0.15 0.4 V

RL=4.7 k

(connected between Vcc-Vo)

Reflective paper with
reflectivity of 90 %

Background light: A
light source *

Ω

2

Applications

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Reflective optical switches

4.5 - - V

200 300 - mm

s

µ

s

µ

- - 1 ms

--1ms

2000 - -

lx

g

■ Dimensional outline (unit: mm)

5

10

CENTER OF
LIGHT EMISSION

CENTER OF
ACTIVE AREA

Light modulation photoreflector

7.6 ± 0.5

P6448

3.2

(9)(10.6)

31.5 ± 0.5

23.5 ± 0.5

4.5 ± 0.5

5

4

2 15 ± 0.5

4

5.1 3.1 ± 0.5

3.0

Vcc
Vo
GND

Tolerance unless otherwise noted: ±0.2

Values in parentheses are not

uaranteed, but for reference.

KPCA0001EA

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.

HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: [phone], Fax: [phone], 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: [phone], Fax: [phone]
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone]
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone]
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: [phone], Fax: [phone]
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: [phone], Fax: [phone]
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone]

Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2001 Hamamatsu Photonics K.K.

Cat. No. KPC1002E01
Mar. 2001 DN