LA0151CS Ambient Light Sensor, Linear Current Output, with 2

LA0151CS
Ambient Light Sensor,
Linear Current Output,
with 2-Stage Gain Switching
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Overview
The LA0151CS is a photo IC for ultra-small package ambient light sensor. It
enables to be mounted on a very small limited space such as on the mobile
phones which is becoming small and thinner and on other mobile
applications.
Features


Linear current output
Low gain mode function [low gain : -35dB]
ODCSP4 1.01 mm x 1.01 mm
ORDERING INFORMATION
Typical Applications



Ordering Code:
LA0151CS-TLM-E
Mobile phones and tablets
Digital still cameras
Security camera
Package
ODCSP4
(Pb-Free / Halogen Free)
SPECIFICATION
ABSOLUTE MAXIMUM RATINGS at Ta = 25C
Parameter
Symbol
Maximum supply voltage
VCC
Operating temperature
Storage temperature
Shipping (Qty / packing)
5000 / Tape & Reel
(Note 1)
Conditions
Ratings
Unit
6
V
Topr
30 to +85
C
Tstg
40 to +100
C
1. Stresses exceeding those listed in the Absolute Maximum Rating table may damage the device. If
any of these limits are exceeded, device functionality should not be assumed, damage may occur
and reliability may be affected.
† For information on tape and reel
specifications, including part orientation and
tape sizes, please refer to our Tape and
Reel Packaging Specifications Brochure,
BRD8011/D.
http://www.onsemi.com/pub_link/Collateral/
BRD8011-D.PDF
RECOMMENED OPERATING CONDITIONS AND
OPERATING VOLTAGE RANGE at Ta = 25C (Note 2)
Ratings
Parameter
Recommended supply
voltage
Symbol
Conditions
VCC
min
typ
2.2
SW pin low voltage
Vl
Normal gain mode
SW pin high voltage
Vh
Low gain mode
max
3.3
0
2.1
Unit
5.5
V
0.4
V
V
2. Functional operation above the stresses listed in the Recommended Operating Ranges is not
implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may
affect device reliability.
© Semiconductor Components Industries, LLC, 2015
April 2015- Rev. 1
1
Publication Order Number:
LA0151CS/D
LA0151CS
ELECTRICAL AND OPTICAL CHARACTERISTICS at Ta  25C, VCC = 3.3V
(Note 3)
Ratings
Parameter
Symbol
Conditions
Unit
min
typ
max
Current dissipation (1) (Note 5, 7)
ICC
Ev = 1000 lx, RL = 5k, N mode
90
150
210
A
Current dissipation (2) (Note 5, 7)
ICC
Ev = 1000 lx, RL = 5k, L mode
42
70
98
A
Output current (1) (Note 5, 7)
IO1
Ev = 100 lx, N mode
6
8
10
A
Output current (2) (Note 5, 7)
IO2
Ev = 1000 lx, N mode
60
80
100
A
Output current (3) (Note 5, 7)
IO3
Ev = 100 lx, L mode
0.12
0.16
0.2
A
Output current (4) (Note 5, 7)
IO4
Ev = 1000 lx, L mode
1.2
1.6
2.0
A
Dark current
Ileak
Ev = 0 lx, N mode, L mode
0.1
A
Temperature coefficient (Note 6)
Itc
Rise time (1) (Note 8)
Tr1
Ev = 100 lx, N mode, L mode,
Ta = -20 to 60C
Ev = 1000 lx, RL = 5k, N mode
15
40
s
Rise time (2) (Note 8)
Tr2
Ev = 1000 lx, RL = 500k, L mode
20
50
s
Fall time (1) (Note 8)
Tf1
Ev = 1000 lx, RL = 5k, N mode
150
500
s
Fall time (2) (Note 8)
Tf2
Ev = 1000 lx, RL = 500k, L mode
150
500
Peak sensitivity wave length (Note 6)
p
0.34
%/C
s
550
nm
VO
Ev = 1000 lx, RL = 150k, N mode
Saturation output voltage (Note 9)
3.0
3.2
V
3. Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may
not be indicated by the Electrical Characteristics if operated under different conditions.
4. N mode and L mode stand for the normal gain mode and the low gain mode, respectively.
5. Measured with the standard light source A. White LED is used instead in the mass production line.
6. Design guaranteed item
7. Test circuit for measuring current dissipation and output current
Light
source
A
VCC
Ipd
OUT
LA0151CS
A
8. Measuring method of rise time (Tr) and fall time (Tf)
Ipd
Pulse drive
White LED
VCC
0A
Ipd
90%
OUT
LA0151CS
VOUT
10%
GND
Tr
9. Reference value : min = 2.6V and typ = 2.8V when VCC = 2.9V
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2
Tf
LA0151CS
PAD LAYOUT
<Bottom View>
<Top View>
Pin No.
1
4
2
4
3
1
3
2
Pin Name
Function
1
VCC
Power supply
2
SW
Switch
3
GND
Ground
4
OUT
Output
Ball pitch : 0.5mm, Ball size : 0.18mm 
PAD LAYOUT (Photos)
Top View
1
4,Out
4
4
1
Pin 1 mark
It is located at the center of the bottom
of the pakage.
3,Gnd
1,VCC
2
Bottom View
2,SW
3
3
2
Photo diode. Only this part looks dark on the product.
* The photo diode is located in pin 3. Be careful not to mistake the pin 1 mark for the photo diode.
INTRNAL BLOCK DIAGRAM
VCC
1
PD
Current
amplifier
OUT
4
2
SW
3
GND
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3
LA0151CS
CHIP PATTERN AND PHOTO-RECEIVING PATTERN DIAGRAMS
LA0151CS chip pattern diagram (top view)
1010μm
105μm
105μm
1010μm
* Pin 1 is on the upper left.
LA0151CS photo-receiving pattern enlarged diagram (effective area)
162μm
15μm
17μm
69μm
80.5μm
223μm
249.5μm
10μm
80.5μm
249.5μm
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4
LA0151CS
IO -- Illuminance
1000
7
5
n
10
7
5
3
2
ain
Lg
1
7
5
3
2
0.1
7
5
3
2
3
ga
in
Current drain, ICC -- μA
ai
Ng
7
5
3
2
2
N
100
Output current, IO -- μA
ICC -- Illuminance
1000
7
5
3
2
n
L gai
100
7
5
3
0.01
2
7
5
3
2
0.001
10
2 3
1
5 7 10
2 3
5 7100
2 3
5 7 1k
2 3
5 7 10k
2 3
1
5 7 10
2 3
Illuminance -- lx
RIO -- VCC
1.4
@1000lx
Relative current drain ratio, RICC -- ratio
1.2
L gain
N gain
1
0.8
0.6
0.4
0.2
3
4
5
L gain
N gain
0.8
0.6
0.4
0.2
0
2
3
4
6
5
Supply voltage, VCC -- V
ID -- Ta
1.E+00
7
5
3
2
1.2
1.E-01
1
in
1.E-02
n
L gai
in
a
Ng
0.8
7
5
3
2
Dark current, ID -- μA
N
7
5
3
2
ga
1.E-03
0.6
7
5
3
2
1.E-04
0.4
7
5
3
2
1.E-05
7
5
3
2
0.2
--40
--20
0
20
40
60
80
100
120
1.E-06
--60
Ambient temperature, Ta -- °C
0
20
40
60
80
100
120
RS -- λ
1
VCC = 3.3V
RL = 15kΩ
0.9
n
i
ga
Relative sensitivity, RS -- ratio
N
1
7
5
3
2
--20
Ambient temperature, Ta -- °C
VO -- Illuminance
10
7
5
3
2
--40
0.1
7
5
3
2
0.001
7
5
3
2
0.001
0.8
0.7
0.6
0.5
0.4
LA0151 ES2 CSP
Relative output current ratio, RIO -- ratio
5 7 10k
RICC -- VCC
1
6
RIO -- Ta
0
--60
Output voltage, VO -- V
2 3
@1000lx
Supply voltage, VCC -- -- V
1.4
5 7 1k
1.2
0
2
2 3
Human eye
Relative output current ratio, RIO -- ratio
1.4
5 7 100
Illuminance -- lx
0.3
0.2
0.1
1
2 3 5 7 10
2 3 5 7100 2 3 5 7 1k
2 3 5 710k 2 3 5 7100k
Illuminance -- lx
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5
0
200
400
600
Wavelength, λ -- nm
800
1000
LA0151CS
PLE -- deg N gain
1.2
@1000lx
Photopic luminous efficiency, PLE -- ratio
Photopic luminous efficiency, PLE -- ratio
1.2
1
0.8
0.6
0.4
0.2
0
--90
--60
--30
0
30
60
PLE -- deg L gain
@1000lx
1
0.8
0.6
0.4
0.2
90
Angle, deg -- °
0
--90
--60
--30
0
Angle, deg -- °
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6
30
60
90
LA0151CS
PACKAGE DIMENSIONS
unit : mm
ODCSP4 1.01x1.01
CASE 570AC
ISSUE O
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nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including
without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can
and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each
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