Everlight ALS-PDIC17-77B-TR8 Ambient light sensor Datasheet

Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Features
‧Close responsively to the human eye spectrum
‧Light to Current, analog output
‧Good output linearity across wide illumination range
‧Low sensitivity variation across various light sources
‧Operating temperature performance, -40 C to 85 C
‧Wide supply voltage range, 1.8V to 5.5V
‧Size : 1.6mm(L)*1.6mm(W)*0.55mm(H)
‧RoHS compliant, Pb Free and halogen free package
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Description
The ALS-PDIC17-77B/TR8 is consisting of a photodiode and a current amplification IC.
EVERLIGHT ALS series product is a good effective solution to the power saving of display
backlighting of mobile appliances, such as the mobile phones, NB and PDAs. Due to the high
rejection ratio of infrared radiation, the spectral response of the ambient light sensor is
close to that of human eyes.
Applications
‧Detection of ambient light to control display backlighting
Mobile devices – mobile phones, PDAs
Computing device – TFT LCD monitor for Notebook computer
Consumer device – TFT LCD TV, Plasma TV, Video camera, Digital camera, Toys
‧Automatic residential and commercial management
‧Automatic contrast enhancement for electronic signboard
‧Ambient light monitoring device for daylight and artificial light
– Street light, CCD/CCTV
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
1
http://www.everlight.com
Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Package Dimensions
Top View
Bottom View
Unit: mm
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Rating
Unit
Supply Voltage
Vcc
-0.5~6.0
V
Output Voltage
Vo
0 ~ Vcc-0.8
V
Output Photo Current
IPH
0~5
mA
Operating Temperature Range
Topr
-40 ~ +85
°C
Storage Temperature Range
Tstg
-40 ~ +100
°C
Soldering Temperature Range [Note1]
Tsol
260
°C
Note1: For detail reflow time and the recommended temperature profile, please refer to page 9.
Recommended Operating Conditions (Ta=25°C)
Parameter
Symbol
Min.
Max.
Unit
Operating Temperature
Topr
-40
+85
°C
Supply Voltage
Vcc
1.8
5.5
V
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Electrical and Optical Characteristics (Ta=25°C)
Parameter
Symbol Min.
Typ.
Max.
Unit
Test Condition
Vcc = 3V, Ev = 1000Lux
RL = 1kΩ
[Note2]
Vcc=3V
Ev= 0Lux
Supply Current
Icc
-
480
950
µA
Dark Current
ID
-
-
100
nA
IPH1
3.2
4
4.8
µA
IPH2
32
40
48
µA
Vcc=3V; Ev= 100Lux
IPH3
-
48
82
µA
Vcc=3V; Ev= 100Lux
IPH4
-
400
480
µA
Vcc=3V; Ev=1000Lux
IPH3 / IPH2
-
1.2
1.7
-
Vo
2.20
2.35
-
V
λp
-
600
-
nm
Rise Time
tr
-
11
1000
µs
Fall Time
tf
-
400
2000
µs
Delay Time
td
-
250
-
µs
Storage Time
ts
-
35
-
µs
Vcc=3V; Ev=10Lux
[Note1] [Fig.2]
[Note1] [Fig.2]
Light Current
Photocurrent Ratio
Saturation Output
Voltage
Peak Sensitivity
Wavelength
Switching
Time
[Note2] [Fig.2]
[Note1] [Fig.2]
Vcc=3V; Ev= 100Lx,
RL=150KΩ
[Fig.3]
Vcc=3V,RL=5kΩ
[Fig.4]

Note:
1. White Fluorescent light (Color Temperature = 6500K) is used as light source. However, White LED is
substituted in mass production.
2. Illuminance by CIE standard illuminant-A / 2856K, incandescent lamp
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
Fig.1
ALS-PDIC17-77B/TR8
Block Diagram
PDIC15-21C
PDIC17-77B
2.1.V
Vcccc
Current
Amp
Vout
1.6.
Vout
2. GND
3.3.
GND
GND
4. GND
4. GND
5. GND
Fig.2
Measurement Method of
Fig.3
Measurement Method of
Light Current
Saturation Output Voltage
Light
Source
Vcc
Vcc
ICC
Light
Source
Vout
ALS-001
PDIC17-77B
RL
IL
GND
Fig.4
Vout
ALS-001
AS-3021
PDIC17-77B
GND
Switching Time Measurement Method
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Typical Electrical and Optical Characteristics Curves
Fig.5
Light Current vs. Illuminance
Fig.6
Dark Current vs. Temperature
Fig.8
Light current vs. Supply Voltage
10000
Fluorescent light
Incandescent lamp
Light current (uA)
1000
100
10
1
0.1
1
10
100
1000
10000
Illuminance (Lux)
Fig.7
Light current vs. Temperature
1.6
2.0
Relative light current
1.6
℃
VCE = 3V
EV = 100 Lux
Ta = 25
1.2
Relative light current
1.8
1.4
1.2
1.0
0.8
0.6
0.4
0.8
0.4
0.2
0.0
-60
-40
-20
0
20
40
60
℃)
80
0.0
100
2
3
Fig.9
4
5
6
7
Supply voltage (V)
Temperature (
Spectral Response
Fig.10
Output Voltage vs. Illuminance
10
100
Vcc = 3V
Ta = 25
℃
80
Output voltage (V)
Relative sensitivity
1
60
40
Fluorescent light RL = 5.1 kΩ
Incandescent lamp RL = 5.1 kΩ
Fluorescent light RL = 30 kΩ
Incandescent lamp RL = 30 kΩ
Fluorescent light RL = 100 kΩ
Incandescent lamp RL = 100 kΩ
0.1
0.01
20
0
200
1E-3
300
400
500
600
700
800
900
1000
1100
1
1200
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
10
100
1000
10000
Illuminance (Lux)
Wavelength (nm)
6
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Fig.11 Consumption current vs. Illuminance
Fig.12 Relative consumption current vs. Temperature
1000
1.4
℃
Relative consumption current
Consumption current (uA)
Vcc = 3V
Ta = 25
100
10
RL = 5.1 kΩ
RL = 50 kΩ
RL = 100 kΩ
1
0.1
1
10
100
1000
10000
Illuminance (Lux)
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
1.2
Vcc = 3V
Ev = 100 Lux
RL= 1kΩ
1.0
0.8
0.6
-40
-20
0
20
40
℃)
60
80
Temperature (
7
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100
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Converting Photocurrent to Voltage
Vcc
Current
Amp
Iph
Vout
RL
CL
GND
Note:
1. The output voltage (Vout) is the product of photocurrent (IPH) and loading resistor (RL)
2. A right loading resistor shall be chosen to meet the requirement of maximum ambient light,
and output saturation voltage:
Vout(max.) = Iout(max.) × RL ≦ Vout(saturation)=Vcc-0.8V
3. To avoid 60Hz ripple from fluorescent lamps, we suggest that the time constant must be
greater than 0.5 second:
RL × CL
≧ 0.5
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
(empirical data)
8
http://www.everlight.com
Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Recommended method of storage
1. Do not open moisture proof bag before devices are ready to use.
2. Shelf life in sealed bag from the bag seal date:
18 months at 10°C~30°C and < 90% RH.
3. After opening the package, the devices must be stored at 10°C~30°C and ≤ 60%RH,
and used within 1 year (floor life).
4. If the moisture absorbent material (desiccant material) has faded or unopened bag has
exceeded the shelf life or devices (out of bag) have exceeded the floor life, baking
treatment is required.
5. If baking is required, refer to IPC/JEDEC J-STD-033 for bake procedure or recommend
the following conditions:
192 hours at 40°C +5/–0°C and < 5 % RH (reeled/tubed/loose units) or
96 hours at 60°C ± 5°C and < 5 % RH (reeled/tubed/loose units) or
24 hours at 125°C ± 5°C, not suitable for reel or tubes.
Recommended Solder Profile
Notice:
(1) Reflow soldering should not be done more than two times.
(2) When soldering, do not put stress on the devices during heating.
(3) After soldering, do not warp the circuit board.
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
9
http://www.everlight.com
Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Soldering Iron
℃ for 3
Each terminal is to go to the tip of soldering iron temperature less than 350
seconds within once in less than the soldering iron capacity 25W. Leave two seconds and
more intervals, and do soldering of each terminal. Be careful because the damage of the
product is often started at the time of the hand solder.
Repairing
Repair should not be done after the device have been soldered. When repairing is
unavoidable, a double-head soldering iron should be used (as below figure). It should be
confirmed beforehand whether the characteristics of the device will or will not be
damaged by repairing.
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
10
http://www.everlight.com
Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Packing Quantity Specification
3000 PCS/ 1 Reel
Label Format
Reel Dimensions
Unit: mm
Tolerance: ±0.1mm
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Tape Dimensions
Progressive direction
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
12
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Mar. 26, 2010
Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Note:
1. Above specification may be changed without notice. EVERLIGHT will reserve authority
on material change for above specification.
2. When using this product, please observe the absolute maximum ratings and the
instructions for using outlined in these specification sheets. EVERLIGHT assumes no
responsibility for any damage resulting from use of the product which does not comply
with the absolute maximum ratings and the instructions included in these specification
sheets.
3. These specification sheets include materials protected under copyright of EVERLIGHT
corporation. Please don’t reproduce or cause anyone to reproduce them without
EVERLIGHT’s consent.
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
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http://www.everlight.com
Mar. 26, 2010
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