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PDF NOA1302 Data sheet ( Hoja de datos )
| Número de pieza | NOA1302 | |
| Descripción | Ambient Light Sensor | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NOA1302 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NOA1302
Ambient Light Sensor with
I2C Interface
Description
The NOA1302 integrates a wide dynamic range ambient light
sensor (ALS) with a 16−bit ADC and a 2−wire I2C digital interface.
The NOA1302 ambient light sensor provides a linear response over
the range of close to 0 lux to well over 100,000 lux with programmable
integration times to optimize noise performance. The sensor employs
proprietary CMOS image sensing technology from ON Semiconductor
which provides low noise and high dynamic range output signals and
light response similar to the response of the human eye.
The NOA1302 operates as an I2C slave device and supports
commands to set options in the device and read out the ambient light
intensity count.
Features
• Senses Ambient Light and Provides an Output Count Proportional to
the Ambient Light Intensity
• Human Eye Type of Spectral Response
• Provides Comfortable Levels of Display Depending on the Viewing
Environment
• Linear Response Over the Full Operating Range
• Senses Intensity of Ambient Light from ~0 Lux to over 100,000 Lux
• Programmable Integration Times of 400 ms, 200 ms and 100 ms
• No External Components Required
• Low Power Consumption
• Built−in 16−bit ADC
• I2C Serial Communication Port − Standard Mode – 100 kHz
− Fast Mode – 400 kHz
• This Device is Pb−Free, Halogen Free/BFR Free, and RoHS
Compliant
Applications
• Saves Display Power in Applications such as:
− Laptops, Notebooks, Digital Signage
− LCD TVs and Monitors, Digital Picture Frames
− LED Indoor/Outdoor Residential and Street Lights
http://onsemi.com
CTSSOP−8
DC SUFFIX
CASE 949AA
MARKING DIAGRAM
8
ÉÉÉÉ1302
AYWG
1
1302= Specific Device Code
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
PIN ASSIGNMENT
ÉÉÉÉNC
NC
VSS
SCL
1
8
NC
NC
VDD
SDA
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
hv
C1 C2
10m 0.1m
Vin = 3.3 V
6 VDD
3 VSS
SDA
R1
1k
5
SCL 4
R2
1k
SDA
MCU
SCL
IC1
NOA1302
CL not to exceed 250 pF
including all parasitic
capacitances
Figure 1. Typical Application Circuit
© Semiconductor Components Industries, LLC, 2009
August, 2009 − Rev. 1
1
Publication Order Number:
NOA1302/D
1 page  
NOA1302
TYPICAL CHARACTERISTICS
Figure 4. Photo Diode Spectral Response (Without Filter)
Figure 5. Human Eye vs. NOA1302 Spectral
Response
Figure 6. Incandescent Light Response
(200 ms Integration)
Figure 7. Fluorescent Light Response
(200 ms Integration)
Figure 8. Light Response vs. VDD
Figure 9. Dark Counts vs. Temperature
(200 ms Integration)
http://onsemi.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NOA1302.PDF ] | |
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