IC-ODLCHIP [ICHAUS]
OPTICAL POSITION-SENSITIVE DETECTOR (PSD); 光学位置敏感探测器（PSD）
| 型号： | IC-ODLCHIP |
| 厂家： | 
IC-HAUS GMBH |
| 描述： | OPTICAL POSITION-SENSITIVE DETECTOR (PSD) |
| 文件： | 总9页 (文件大小：297K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 1/9
FEATURES
APPLICATIONS
♦ Position-sensitive detection of
♦ Low-noise current amplifier with an integrated
position-sensitive photodiode
pulse lights
♦ High reliability due to monolithical design
♦ Effective photodiode area: 2.6 mm x 0.88 mm (iC-OD) resp.
8.4 mm x 0.88 mm (iC-ODL)
♦ Receiver for motion or proximity
sensors
♦ High sensitivity for visible light and near infrared
♦ Integrated bandpass filter with 100 kHz center frequency
♦ High background light suppression
♦ Analogue current source output
♦ Minimum external circuitry required
♦ Low power consumption from 3.9 to 13.2 V supply voltage
PACKAGES
oLGA OD4C
OBGA™
ODL2C
BLOCK DIAGRAM
(3.9) 4.5..13.2V
2
VCC
A
IAC1
f
3
Vout1
iph1
AC−AMP
iph2
R1
10kΩ
VCC
A
IAC2
f
4
Vout2
AC−AMP
iC−OD/L
R2
10kΩ
GND
1
Pin numbers given for iC-OD oLGA OD4C
Copyright © 2006 iC-Haus
http://www.ichaus.com
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 2/9
DESCRIPTION
The iC-OD/L device is an optical position sensi- The maximum sensitivity for alternating-light signals
tive detector with a monolithic integrated photodiode. (for AC photoelectric currents) is about 100 kHz, with
The device supersedes one PSD and two conven- a current amplification of typically 48 dB.
tional photoelectric detectors, e.g. in motion sensors.
The photoelectric current is partitioned to the two
Constant light and low-frequency variing light are photocurrent amplifiers according to the position of
suppressed by a highpass filter. A lowpass filter the light signal. The analogue outputs IAC1 and IAC2
reduces high-frequency interference to a minimum. offer directly the amplified AC photoelectric current.
PACKAGES
PIN CONFIGURATION OLGA OD4C
(top view)
PIN FUNCTIONS
No. Name Function
1 GND Ground
2
1
2 VCC +(3.9)4.5 to +13.2 V Supply Voltage
3 IAC1 Current Output 1
4 IAC2 Current Output 2
3
4
PIN CONFIGURATION OBGA™ ODL2C
(top view)
PIN FUNCTIONS
No. Name Function
1 VCC +(3.9)4.5 to +13.2 V Supply Voltage
2 IAC1 Current Output 1
3 IAC2 Current Output 2
7
8
6
5
4 GND Ground
5 n.c.
6 n.c.
7 n.c.
8 n.c.
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 3/9
CHIP LAYOUT iC-OD
VCC IAC1
GND
IAC2
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 4/9
CHIP LAYOUT iC-ODL
VCC IAC1
GND
IAC2
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 5/9
ABSOLUTE MAXIMUM RATINGS
Beyond these values damage may occur; device operation is not guaranteed.
Item Symbol
No.
Parameter
Conditions
Fig.
Unit
Min.
0
Max.
G001 VCC
G002 I()
G003 Tj
Supply Voltage
15
0
V
Current in IAC1, IAC2
Junction Temperature
Storage Temperature
-1
mA
°C
-40
130
G004 Ts
see package specifications
THERMAL DATA
Operating Conditions: VCC = 4.5...13.2 V
Item Symbol
No.
Parameter
Conditions
Fig.
Unit
Min. Typ. Max.
T01 Ta
Operating Ambient Temperature Range see package specifications
All voltages are referenced to ground unless otherwise stated.
All currents into the device pins are positive; all currents out of the device pins are negative.
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 6/9
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC = 4.5...13.2 V, λ = 880 nm, Tj = -25...85 °C, unless otherwise noted
Item Symbol
No.
Parameter
Conditions
Tj
°C
Fig.
Unit
Min.
Typ.
Max.
Totel Device
001
VCC
Permissible Supply Voltage VCC
Supply Current in VCC
Tj = -25...85 °C
Tj = 0...60 °C
4.5
3.9
13.2
13.2
V
V
002
I(VCC)
iph = 0
0.55
2.4
mA
mA
27
27
0.95
003 Vs()
004
Saturation Voltage at IAC1, IAC2 Vs() = VCC – V(); I() = -400 µA
0.5
V
I0()
Output Bias Current in IAC1,
IAC2
iph = 0
-210
µA
µA
-108
0.5
Photodiode
101 S(λ)max
102 λar
103 Aph()
104 Aph()
Spectral Sensitivity
A/W
nm
Range of Spectral Sensitivity
Radiant Sensitive Area iC-OD
Radiant Sensitive Area iC-ODL
Se(λar) = 0.1 x S(λ)max
500
1050
2.63 x 0.88
8.42 x 0.88
mm²
mm²
Photo Current Amplifier IAC1, IAC2
201 I() Output Current Operating Range
-500
0
µA
in IAC1, IAC2
202
Pe()pk
Permissible Irradiance for
f = fc
Alternating Light (peak value)
ic-OD
iC-ODL
2.2
0.7
µW
µW
203
204
ISUM
Sum of Output Currents (RMS)
DC Photo Current Capabillity
ISUM = I(IAC1) + I(IAC2);
f = fc, Ee()ac = 30 µW/cm²
-25
µA
µA
27
27
-50
16
iph()dc
Position of light spot irrelevant
Tj = -25...85 °C
Tj = 0...60 °C
2.7
4.5
µA
µA
µA
position of light spot centered
205
Ev()dc
Permissible Ambient Light Level
Standard Illuminant A at
T = 2856 K;
iC-OD
250
75
lx
lx
iC-ODL
206 fc
207
208 I()/ISUM
Bandpass Center Frequency
Filter Q-Factor
100
0.5
kHz
Q
Q = fc / (fhc – flc)
0.35
0.40
0.52
0.60
Single Amplifier Output Current to f = fc, position of light spot cen-
Sum of Output Currents tered
Smaller Output Current to Sum of f = fc, position of light spot 1 mm
209 I()min
/
0.13
44
0.18
52
ISUM
Output Currents
out of center
210 Ai()fc
Photo Current Gain for
Alternating Light
Ai()fc = ISUM / (iph1 + iph2);
f = fc, position of light spot cen-
tered
48
dB
211 dAi()fc
212 Ai()100
213 Vn(Vout)
Change of Photo Current Gain
f = fc, position of light spot 1 mm
out of center
-10
1
10
6
%
dB
mV
Low-Frequency Photo Current
Gain
f = 100 Hz
3
RMS Noise Voltage
With external filter:
6
2.1
2.8
R1, R3 = 10 kΩ, C1, C3 = 120 pF,
R2, R4 = 50 kΩ, C2, C4 = 100 pF
214
215
ton(VCC)
ton(VCC)
Power-on Setup Time
Power-on Setup Time
50
µs
µs
27
27
30
70
Tj = 0...60 °C, VCC = 0 → 4 V
100
µs
µs
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 7/9
TYPICAL CHARACTERISTICS
100
1.0
%
IAC1
IAC2
90
80
70
60
50
40
30
20
10
0.5
0
−1.25
0
+1.25 [mm]
position on PSD
Figure 1: Example for position sensing characteris-
tics
ext.
Filter
400
600
800
1000 nm
External filter (RG850) improves the suppression of
ambient light by a factor of ca. 20 to 30.
Figure 2: Relative spectral sensitivity
APPLICATIONS INFORMATION
iC−OD/L OUTPUT
iC−OD/L OUTPUT
RL1= 10k, RL2= 10k
RL1= 10k, RL2= 10k
CH1
CH2
CH2
CH1, CH2= 0V
CH1 − CH2
CH1
CH1, CH2= 0V
CH1−CH2= 0V
CH1 − CH2
CH1−CH2= 0V
CH1 0.5V/DIV
CH2 0.5V/DIV
TIME 2US/DIV
CH1 0.5V/DIV
CH2 0.5V/DIV
TIME 2US/DIV
Figure 3: The light spot impinges to the left
Figure 5: The light spot impinges to the right
Examples of output signals
iC−OD/L OUTPUT
The oscilloscope pictures show the signal patterns at
iC-OD outputs IAC1 and IAC2 when receiving a 5 µs
light pulse. The differential signal shown has been cal-
culated.
RL1= 10k, RL2= 10k
CH1
CH2
CH1, CH2= 0V
Both of the outputs are terminated with 10 kΩ. An ex-
ternal filter is not used.
CH1 − CH2
CH1−CH2= 0V
CH1 0.5V/DIV
CH2 0.5V/DIV
TIME 2US/DIV
Figure 4: The light spot impinges in the center
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 8/9
Example: external filter
(3.9) 4.5..13.2V
VCC
A
C2
100pF
IAC1
f
Vout1
iph1
AC−AMP
iph2
R1
10kΩ
C1
120pF
R2
50kΩ
VCC
A
C4
100pF
IAC2
f
Vout2
AC−AMP
iC−OD/L
R3
10kΩ
C3
120pF
R4
50kΩ
GND
Figure 6: External filter to detach the DC-portion and to reduce the noise
This specification is for a newly developed product. iC-Haus therefore reserves the right to change or update, without notice, any information contained herein,
design and specification; and to discontinue or limit production or distribution of any product versions. Please contact iC-Haus to ascertain the current data.
Copying – even as an excerpt – is only permitted with iC-Haus approval in writing and precise reference to source.
iC-Haus does not warrant the accuracy, completeness or timeliness of the specification on this site and does not assume liability for any errors or omissions
in the materials. The data specified is intended solely for the purpose of product description. No representations or warranties, either express or implied, of
merchantability, fitness for a particular purpose or of any other nature are made hereunder with respect to information/specification or the products to which
information refers and no guarantee with respect to compliance to the intended use is given. In particular, this also applies to the stated possible applications or
areas of applications of the product.
iC-Haus conveys no patent, copyright, mask work right or other trade mark right to this product. iC-Haus assumes no liability for any patent and/or other trade
mark rights of a third party resulting from processing or handling of the product and/or any other use of the product.
iC-OD, iC-ODL
OPTICAL POSITION-SENSITIVE DETECTOR (PSD)
Rev D3, Page 9/9
ORDERING INFORMATION
Type
Package
Order Designation
iC-OD
-
iC-OD chip
OLGA OD4C
iC-OD OLGA OD4C
iC-ODL
-
iC-ODL chip
OBGA™ ODL2C
iC-ODL OBGA ODL2C
For information about prices, terms of delivery, other packaging options etc. please contact:
iC-Haus GmbH
Tel.: +49 (61 35) 92 92-0
Am Kuemmerling 18
D-55294 Bodenheim
GERMANY
Fax: +49 (61 35) 92 92-192
Web: http://www.ichaus.com
E-Mail: sales@ichaus.com
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