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PD3151F
PD3151F
s Features
1. Easy high accuracy positioning owing to location hole Detecting portion pattern positional accuracy : 0.1 mm 2. Thin, compact package 3. Visible light cut-off type
Position Sensitive Detector with Location Hole (PSD * )
s Outline Dimensions
5 6 R0.4 1.67 0.8
(Unit : mm)
4 Detector face 4.0 1.95 1.5 1.95 1.5
6.0 3.0
1. Cameras * PSD: Position Sensitive Detector
0.9 1 1.905 1.905
7.0 7.9
s Applications
0.15
0.97
2 5.0
3
1.5 0.8 Shape of detector portion 1 2 3 4 5 6 Anode A Cathode Cathode Anode B Cathode Cathode
Chip positional accuracy : 0.1 mm, Rotational deviation : 2
1
2356
s Absolute Maximum Ratings
Parameter Reverse voltage Operating temperature Storage temperature Soldering temperature Symbol VR T opr Tstg T sol Rating 30 - 25 to+ 85 - 40 to+ 85 + 260
(Ta=25C) Unit V C C C
*1
Soldering area
*1 For MAX. 3 seconds in the soldering area
" In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device."
1.5 4
PD3151F
s Electro-optical Characteristics
Parameter Reverse voltage Dark current Collector current Terminal capacitance Peak sensitivity wavelength Sensitivity wavelength range Response time Resistance between electrodes Error of position detection Sensitivity Forward voltage Symbol VR Id *2 IL Ct P *3 tr , t f Rie *4 R VF Conditions IR = 10 A VR = 1V VR = 1V, EV = 1000 lx VR = 1V, f = 10kHz VR = 1V, RL = 1k VR = 1V, Va = 0.5V I F = 1mA MIN. 30 6 770 320 TYP. 10 10 940 5 400 0.5 MAX. 1.5 30 1130 30 480 25 1.0 (Ta=25 C) Unit V nA A pF nm nm s k m A/W V
*2 I L= I1+ I2
where, I 1 and I 2 are collector current of A1 and A2 respectively.
Ev : Illuminance by CIE standard light source A (tungsten lamp) *3 Test circuit for response time is shown below.
Input Input Laser diode
RL = 1k VR VR
90% Output 10%
= 830nm
tr
*4 75% area from detecting portion center to the edge of detecting portion Definition of error of position detection
tf
: Error of position detection of each incident light position is defined by the following formula, if electrical center position is I 1 = I 2 .
Error of position detection ( m ) =
L 2
x
I1 - I2 I1 + I2
- Incident light position ( m)
L : Length of light detector surface =1.5mm
Fig. 1 Spectral Sensitivity
120
Fig. 2 Dark Current vs. Ambient Temperature
10- 6 10- 7
VR=1V
100
Relative sensitivity (%)
10- 8 80
Dark current (I d A)
10- 9 10- 10 10- 11 10- 12
60
40
20 0 600
10- 13 700 800 900 1000 1100 1200 10- 14 - 25 0 25 50 75 100
Wavelength (nm)
Ambient temperature Ta (C)
PD3151F
Fig. 3 Dark Current vs. Reverse Voltage
10
-8
Fig. 4 Terminal Capacitance vs. Reverse Voltage
20 f=10kHz Ta=25C
Ta=25C
Terminal capacitance C t ( pF )
15
Dark current I d (A)
10- 9
10
10 -10
5
10 -11
0.01
0.1
1
10
100
0 10
1
1
10
1
10
2
Reverse voltage V R (V)
Reverse voltage V R (V)
Fig. 5 Relative Output vs. Ambient Temperature
115
Fig. 6 Collector Current vs. Illuminance
100 VR=1V Ta=25C
110
( A) Collector current I
L
10
Relative output (%)
105
100
1
95
0.1
90 85 - 25
0
25
50
75
100
0.01
1
10
10 2
10 3
10 4
Ambient temperature Ta (C)
Illuminance E V (lx)
q Please refer to the chapter "Precautions for Use". (Page 78 to 93)

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