Caracterizacion del sensor gp2d120

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GP2D120

GP2D120
s Features
1. Less influence on the color of reflective objects, reflectivity 2. Line-up of distance output/distance judgement type Distance output type (analog voltage) : GP2D120 Detecting distance : 4 to 30cm 3. External control circuit is unnecessary

General Purpose Type Distance Measuring Sensors
s Outline Dimensions
(Unit : mm)

4.5 φ3.2 hole R3.75 3.75

5

3729.5 519.7±0.1

Light detector side 6.3 R3.75 2
+0.5 18.9−0.3

Lens case

8.4 7.2

φ3.2 hole Connector 1.2 Made by 3.3 J.S.T. MFG, CO., LTD. S3B-PH 2-1.5 13.5

Light emitter side 10.1

13

s Applications
1. TVs 2. Personal computers 3. Amusument equipment 4. Copiers

14.75 7.5 4.15 16.3

PWB

1

3

Terminal connection ❈ The dimensions marked 5 are described thedimensions of lens center position. ❈ Unspecified tolerance : ±0.3mm
1 2 3

s Absolute Maximum Ratings
(Ta=25°C, Vcc=5V) Parameter Supply voltage Output terminal voltage Operating temperature Storage temperature Symbol Rating VCC −0.3 to +7 VO −0.3 to Vcc +0.3 Topr −10 to +60 −40 to +70 Tstg Unit V V °C °C

VO GND VCC

Notice

In the absence of confirmation by device specification sheets, SHARPtakes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. Internet Internet address for Electronic Components Group http://www.sharp.co.jp/ecg/

GP2D120

s Recommended Operating Conditions
Parameter Operating supplyvoltage Symbol VCC Rating 4.5 to +5.5 Unit V

s Electro-optical Characteristics
Parameter Distance measuring range Output terminal voltage Difference of output voltage Average Dissipation current
Note) L : Distance to reflective object. *1 Using reflective object : White paper (Made by Kodak Co. Ltd. gray cards R-27 ⋅ white face, reflective ratio ; 90%). *2 Distance measuring range of the opticalsensor system.

Symbol ∆L VO ∆VO ICC

Conditions
*1 *2

MIN. 4
*1

L=30cm *1 Output change at L=30cm to 4cm L=30cm *1

0.25 1.95 −

TYP. − 0.4 2.25 33

(Ta=25°C, VCC=5V) MAX. Unit cm 30 V 0.55 2.55 V 50 mA

Fig.1 Internal Block Diagram
GND VCC 5V

PSD Signal processing circuit Voltage regulator Oscillation circuit LED drive circuit LED Output circuit Vo Analog output

Distancemeasuring IC

Fig.2 Timing Chart
VCC (Power supply) 38.3ms±9.6ms Distance measuring operation VO (Output)
Second measurement nth measurement

First measurement

Unstable output

First output 5.0ms
MAX.

Second output

nth output

GP2D120

Fig.3 Analog Output Voltage vs. Surface Illuminance of Reflective Object
3.0 2.7 Analog output voltage VO (V)
Reflective object Kodak Co.,Ltd. gray cards R-27 (reflective ratio : 90%) illuminance meter Light source equivalent to sun light GP2D120

Fig.4 Analog Output Voltage vs.Distance to Reflective Object
3.4 3.0 Draft White Gray Reflectivity 90% 18%

Analog output voltage VO (V)

2.4 2.0 1.6 1.2 0.8 0.4

L=4cm 2.8 2.4 2.0 1.6 1.2 0.8 0.4

L=13cm

White

L=22cm 0 0 2000 4000 6000 8000 10000 12000 14000 Surfaceilluminance of reflective object (lx)

Gray 0 0 4 8 12 16 20 24 28 32 36 40 Distance to reflective object L (cm)

Fig.5 Analog Output Voltage vs.Ambient Temperature
3.0 2.8 Analog output voltage VO (V)

Fig.6 Analog Output Voltage vs.Detection Distance
3.0 2.8
Kodak Co., Ltd. gray cards R-27 (reflective ratio : 90%) L(Distance to reflective object) X(Detection
distance)

Analog outputvoltage VO (V)

2.4 2.0 1.6 1.2 0.8 0.4 0 −20 −10 0

L=4cm

2.4 2.0 1.6 1.2 0.8 0.4

L=4cm

L=6cm L=8cm L=10cm

Sensor GP2D120

−X(Detection
distance)

L=10cm

L=20cm L=30cm

L=20cm

L=30cm 10 20 30 40 50 60 70 80 90 Ambient temperature Ta (°C)

0 −5

−4

−3

−2

−1

0

1

2

3

4

5

Detection distance X (cm)

Application Circuits

NOTICE
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