Document
APDS-9008
Miniature Surface-Mount Ambient Light Photo Sensor
Data Sheet
Description
The APDS-9008 is a low cost analog-output ambient light photo sensor in miniature chipLED lead-free surface mount package. It consists of a spectrally suited photo sensor, which provides excellent responsivity that is close to the response of the human eyes, as show in figure 2. The APDS-9008 is ideal for applications in which the measurement of ambient light is used to control display backlighting. Mobile appliances such as the mobile phones and PDAs that draw heavy current from display backlighting will benefit from incorporating these photo sensor products in their designs by reducing power consumption significantly.
Features
• Excellent responsivity - Close responsivity to the human eye • Miniature ChipLED Leadfree surface-mount package Height – 0.55 mm Width – 1.60 mm Depth – 1.50 mm • Low sensitivity variation across various light sources • Operating temperature : -40°C to 85°C • Vcc supply 1.6 to 5.5V • Lead-free package, RoHS compliance • Output linearity across wide illumination range • High output saturation voltage
Application Support Information
The Application Engineering Group is available to assist you with the application design associated with APDS-9008 ambient light photo sensor module. You can contact them through your local sales representatives for additional details.
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Applications
• Detection of ambient light to control display backlighting Mobile devices – Mobile phones, PDAs Computing devices – Notebooks, Webpads Consumer devices – TVs, Video Cameras, Digital Still Camera
• Automatic Residential and Commercial Lighting Management • Electronic Signs and Signals
Ordering Information
Part Number
APDS-9008-020
Packaging Type
Tape and Reel
Package
6-pins Chipled package
Quantity
2500
Typical Application Circuit
VCC [1]
APDS-9008
OUT [6]
I/O Pins Configuration Table
Pin
1 GND [4] LOAD 2 3 4 5 Figure 1. Typical application circuit for APDS-9008 6
Symbol
VCC NC NC GND NC Iout
Description
VCC No Connect No Connect Ground No Connect Out
Absolute Maximum Ratings
For implementations where case to ambient thermal resistance is ≤ 50 °C /W
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Parameter
Symbol
TS VCC
Min.
-40 0
Max.
85 6
Units
°C V
Storage Temperature Supply Voltage
Recommended Operating Conditions
Parameter
Operating Temperature Supply Voltage
Symbol
TA VCC
Min.
-40 1.6
Max.
85 5.5
Units
°C V
Conditions
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD. 2
Electrical & Optical Specifications (Ta=25°C)
Parameter
Supply Current Photo Current (I) Photo Current (II) Dark Current Light Current Ratio Rise Time Fall Time Settling Time Peak sensitivity wavelength Propagation delay Storage delay Saturation voltage
Symbol
ICC I_PH1 I_PH2 I_DARK I_PH2/I_PH1 Tr Tf Tset λ Td Ts Vsat
Min.
28
Typ.
42 40 44 300 1.1 5 5 10 565 5 5
Max.
52
Units
µA µA µA nA ms ms ms nm ms ms V
Conditions
Vcc =1.8V, Lux = 100 (2) Vcc =1.8V, Lux = 100 (2) Vcc =1.8V, Lux = 100 (1) Vcc =1.8V, Lux = 0 Incandescent light / Fluorescent light Rl = 1Kohm, Lux = 100 R1 = 1Kohm, Lux=100 R1=2.4Kohm,Lux=100 Rl = 1Kohm, Lux = 100 R1 = 1Kohm, Lux=100 R1 = 100Kohm, Lux = 100, Vcc=1.8V
1.5
Notes : 1. Illuminance by CIE standard light source (Incandescent lamp) 2. Fluorescence light is used as light source, however, white LED is substituted in a mass production process.
Light Measurement Circuit and Waveforms
I_pulse Pin 2,3,5: NC APDS-9008 Pin 6:Iout Pin 1:Vcc I_pulse
Pin 4: GND
Vout
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Tr Td Vcc pulse from pulse generator Ts
Tf
Vcc
t Sensor output at load 90 %
Vout
t Tset Tset
3
1 0.8 Relative response 0.6 0.4 0.2 0 300 9008 Spectral response Eye Response Output Current [A]
450.0E-6 400.0E-6 350.0E-6 300.0E-6 250.0E-6 200.0E-6 150.0E-6 100.0E-6 50.0E-6 400 500 600 700 Wavelength in nm 800 900 1000 000.0E+0 0 100 200 300 400 500 600 700 800 900 1000 LUX
Figure 2. Relative Spectral Response Vs Wavelength
Figure 3. Average Iout Vs Lux (Vcc=1.8v, T=25°C, White LED source)
1.40 1.20 1.00 Relative Iout Rel IOUT -20 0 20 40 60 Temperature in Degrees 80 100 0.80 0.60 0.40 0.20 0.00 -40
1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 1.8 2.3 2.8 3.3 VCC Figure 5. Relative Iout Vs Vcc (T=25°C, 100 Lux) 3.8 4.3 4.8 5.3
Figure 4. Relative Iout Vs Temp (Vcc=1.8v, 100 Lux)
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1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0
1.40 1.20 1.00 REL AVG-ICC 0.80 0.60 0.40 0.20 -90 -70 -50 -30 -10 10 30 Angle in Degrees 50 70 90 0.00 -40 -20 0 REL Avg-ICC Vs TEMP at 100LUX 20 40 60 Temperature in Degrees 80 100
Figure 6. Relative Iout Vs Angle ( Vcc=1.8V, T=25°C)
Relative Iout response
Figure 7. Relative Average Icc Vs Temp ( Vcc=1.8V, T=25°C, 100 Lux)
4
1.20 1.10 1.00
Rel ICC
1.40E-06 1.20E-06 1.00E-06 IDark 8.00E-07 6.00E-07 4.00E-07 2.00E-07
0.